PRODUCT CATALOGUE · colour options for systems manufacturers. We can source most RAL colours to...

PRODUCT CATALOGUE

WWW.PRECISION-DEVICES.COM

UK ‘HERITAGE’ AND ‘NEXT GENERATION’ TRANSDUCERS .......................................................................................... PAGE 06 - 26

HF COMPRESSION DRIVERS ................................................................................................................................... PAGE 27 - 34

OEM EXCLUSIVE LINE ............................................................................................................................................. PAGE 35 - 48

INTERPRETING OUR DATA .............................................................................................................................................. PAGE 51

CONTENTS

Founded in 1987, England. Precision Devices is regarded globally as a leading manufacturer and designer of high-end loudspeaker transducers.

For over 30 years we have been driven by a passion and philosophy to create next generation

drive units capable of achieving superior levels of acoustic performance combined with

exceptional levels of strength and reliability. Built to be driven to their rated specification and

often beyond, Precision Devices transducers are synonymous with uncompromising quality

and enviable performance, instantly recognizable and highly desired. Widely recognised as the

world’s finest, most prestigious loudspeakers.

THE PRECISION DNA

Precision Devices has built thousands of transducers over the years. You can be sure if it

carries the PD badge, it carries our reputation and is the result of relentless optimisation

and modification by our research and development team.

Our research and development team use FEA (finite element analysis) along with other

modeling software at the design stage to ensure each component and, ultimately, the final

product performs to its fullest potential. Followed by extensive listening and lab tests to

deliver the clearest sound and sharpest detail, this ensures each model remains true to the

PD design DNA of quality craftsmanship, reliability and unrivalled performance.

HIGH PERFORMANCE THROUGH PRECISION ENGINEERING

The Precision Devices UK Headquarters and manufacturing facility in West Yorkshire.

BUY GENUINE PRECISION!

To help combat counterfeit and inferior imitations of Precision Devices Products

in the pro audio market. Each of our transducers ships with an Authenticity /

Warranty Card, Serial Number and special security hologram to quickly and easily

verify genuine PD products.

2

Our mission is a simple one: to expand and consistently improve the manufacture of the world’s best professional audio component transducers.

Utilising stringent practice and employee involvement, striving towards

world-class standards and encouraging a culture of excellence within

every department of the company. We offer close support in building

sustainable long-term business relationships with clients, both

domestic and international, to supply a product that provides unrivalled

performance, reliability and customer satisfaction.

‘Precision Driven’ metal cabinet badges ship with every speaker to showcase what’s driving your sound.

BESPOKE OEM DESIGN

We offer close support in building sustainable long-term

business relationships with our domestic and international

OEM partners.

Our R&D and engineering team are able to provide modified

or bespoke models to satisfy even the most critical project

requirements. From the slightest modification to unique

cutting-edge designs using performance-optimised materials,

we pride ourselves on our rapid prototyping service with the

ability to manufacture both low and high volumes that will

turn your OEM specifications into reality.

IMPROVE YOUR SOUND SYSTEM AND INCREASE PERFORMANCE IN STYLE

Traditionally available only with a black chassis, due to

popular demand we are now able to offer custom chassis

colour options for systems manufacturers.

We can source most RAL colours to closely match your

company branding or compliment any colour scheme. Durable

powder coatings offers hard, abrasion-resistant properties

ideal for our aluminium chassis that will give your sound

system a high-end visual appearance to match it’s unrivalled

sound quality.

Get in touch with our sales team today to discuss chassis

colour options and find out what else is possible with our

bespoke design and manufacturing solutions.

A small idea of the kinds of colours available for bespoke order loudspeaker chassis.

3

CHASSIS DESIGN

Our unique twelve sided die-cast aluminium

chassis incorporates added sectional

strength and FEA designed features to assist

with efficient heat transfer and dissipation

from critical areas while also minimising

unwanted acoustic effects. Fixing holes are

positioned a good distance from the baffle

cut-out to prevent edge splitting should a

cabinet be dropped; an extra wide flange

prevents unwanted pressure, due to out-of-

position fixing, from distorting the chassis.

Many of our chassis designs also feature

additional ‘hidden’ fixing holes that allow

maximum flexibility of installation.

Voice coil being tested for compliance.Added sectional strength to the chassis assists with heat transfer and dissipation. Dual suspension systems ready for the next stage of production. Precision machined steel, a work of art in themselves.

THE ART OF VOICE COILS

The voice coil is the heart of the speaker,

which is why we control this critical design

and manufacturing process in-house. Our

proprietary coil design and manufacturing

process is carefully calculated to result in

ultimate power handling, longevity and

mechanical stability at high temperatures.

We use a variety of materials to produce

numerous coil designs ranging from 1.5” to 8”,

using a variety of wire types. Close tolerance

wires are coated with high temperature

enamel and precision wound onto an

epoxy resin-impregnated, woven glass fibre

former. This is then cured to ensure a rigid

assembly, essential for greater strength and

maximisation of energy transmission.

The laminated construction of our voice

coils, in addition to the ‘wet winding’

process, guarantees superior power handling,

reliability and mechanical stability, placing the

importance of component integrity before

production speed.

CONES & SOFTWARE

All cones and software used by Precision

Devices are made in England from advanced

and highly-optimised materials with very fine

set tolerances in their manufacture. Materials

are selected for properties that include high

strength and longevity, as well as sublime

acoustic performance. Long-fibre designs

provide improved internal damping and extra

longevity, and all models are air-dried for

optimum tonal qualities.

Performance-optimised suspension

materials provide improved linearity and

control. Each and every cone and software

component is carefully inspected prior to

use, which ensures the exact sound quality

will be found throughout the series with

the utmost reliability.

MAGNET ASSEMBLIES

Precision-machined, low-carbon steel plate

sets delivering superior strength, quality

and magnetic qualities along with the

highest grade neodymium and ceramic

magnets ensure superior BL factors and

operating temperature extremes without

loss of flux. Assemblies are FEA-designed

to allow prediction of speaker parameters

and performance at the design stage. Use

of demodulation rings and caps assists

in minimising harmonic distortion, coil-

inductance variation and flux modulation,

while also offering minimised power

compression and assistance with heat

dissipation from the speaker core. This in

turn aids power handling and reliability.

4

Transducers on the Precision Devices UK manufacturing line.

QUALITY CRAFTSMANSHIP

It’s not just our end products that are world-

class: our production processes are too. Over

the years we’ve made many changes to our

manufacturing practices, all of which were

implemented to ensure our standards are

nothing short of outstanding. We employ

a modular construction process whereby

each and every key stage of construction

is tested and signed off individually. Final

unit quality control takes place in dedicated

test cabins, before the product is given a

serial number that allows us full traceability

in a policy of continuous improvement. The

result is a thoroughly accurate and natural

sound, along with improved reliability through

precisely designed and manufactured

components. These standards, among

others, have helped us build strong, lasting

relationships with our supply chain.

OEM EXCLUSIVE LINE

We manufacture many

specialised products

that are not specifically

covered in our core branded product range for some of the

world’s most prestigious audio companies. The Precision

Devices OEM Exclusive line has been conceived to meet

the requirements of large volume, international pro audio

systems manufacturers that require more competitive prices,

faster lead times and direct shipping to their location.

Featuring all new designs and technology such as our

unique Radial Neo motor system. Bass, midrange and high

frequency applications are comprehensively covered.

By utilising the same high quality UK manufactured software

components, our OEM line models remain true to the

PD design DNA of quality, precision craftsmanship and

unrivalled performance.

UK ‘HERITAGE’ AND ‘NEXT GENERATION’ LINE

We are proud to support British industry,

innovation and craftsmanship. All PD ‘Heritage’

and ‘Next-generation’ transducers are

individually hand-made at our UK factory in

Castleford, West Yorkshire, England. Precision

Devices are not assembled from ‘off-the-shelf’ parts. Even

the smallest engineered component is essential in delivering

definitive performance. We work closely with experienced

partners who utilise skills that have been passed down

through generations in the heartland of British engineering

excellence. By sourcing locally we are, as far as possible,

reinvesting in the community and demonstrating our

commitment to supporting local business and skills.

Investment in a PD product is not only an investment in high

quality sound, it’s an investment in a unique heritage of British

craftsmanship, from hand-wound voice coils in-house to hand-

formed copper pole caps.

Get in touch with our sales team today to discover more information about our

professional audio component transducers and compression drivers.

www.precision-devices.com

[email protected]

OUR PRODUCT LINES

5

UK ‘HERITAGE’ LINE

PD.2450 SUB BASS DRIVER

FREQUENCY RESPONSE AND IMPEDANCE CHARTFEATURES:

NOMINAL DIAMETER POWER HANDLING SENSITIVITY (1W/ 1m) FREQUENCY RESPONSE VOICE COIL DIAMETER MAXIMUM LINEAR EXCURSION

© 2018, Precision Devices International Ltd. We operate a policy of continuous research and development and as such published specifications are subject to change without notice.1803196

THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 24” / 610 mm

Voice Coil Diameter 6.0” / 152 mm

Available Impedances 4 Ohms/ 8 Ohms/ 16 Ohms

Power Rating 1000 W (A.E.S.)

Peak Power (6dB Crest Factor) 4000 W (A.E.S.)

Sensitivity (1w - 1m) 98 dB

Frequency Range 30 Hz - 1 kHz

Recommended Enclosure Volume 130 - 400 Litres

Resonance 32.37 Hz

Voice Coil Winding Depth 30 mm / 1.18”

Magnet Gap Depth 15 mm / 0.59”

Flux Density 1.1 Tesla

Magnet Material Ceramic

Voice Coil Material Copper

Former Material Glass Fibre

Dust Dome Material Paper

Suspension Material Dual Fabric

Cone / Surround Material Paper / Fabric

DIMENSIONSOverall Diameter 632 mm

Width Across Flats 610 mm

Flange Height 17 mm

Depth (Excl. Flange) 228 mm

Magnet Diameter 316 mm

MOUNTING INFORMATIONChassis Shoulder Diameter 573 mm

Outer Bolt Circle 6x M8 on 609 mm PCD

Inner Bolt Circle N/A

WEIGHTNett Weight 36 kg / 79.37 lb.

Shipping Weight 41 kg / 90.39 lb.

Fs 32.37 Hz

Re 5.23 Ω

Qms 13.03

Qes 0.34

Qts 0.33

Le 1.75 mH

L2 3.79 mH

R2 12.15 Ω

Vas 404.89 litres

Mms 424.08 g

Sd 2248.01 cm2

Cms 57 μm/N

BL 36.48 T/m

Xmax 10.5 mm

Vd 2.36 litres

Ref. Efficiency 4.04 %

*1 Power compression is the reduction of sensitivity at the specified power. Higher power ratings do not necessarily give a proportionate increase in SPL therefore the maximum SPL of the driver may significantly exceed that of other manufacturers with high power ratings.

1. A.E.S. Standard (40 to 400 Hz). Program 2000 Watts. 2. A.E.S. Recommended Practice. 3. Thiele - Small Parameters follow a 1000 Watt A.E.S. preconditioning period.

Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system.

*2.83V. Half space response measured in a 975 Litre sealed enclosure.

• Heavy-duty cast aluminium chassis for increased rigidity.

• Power compression 2dB at rated power.

• A BL in excess of 36 T/m.

• Double suspension system.

• Suitable for horn loaded or bass reflex designs.

24” / 610 mm 1000 W (A.E.S.) 98 dB 30 Hz - 1 kHz 6.0” / 152 mm 10.5 mm Xmax

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SUB BASS DRIVERPD.2450


SUB BASS DRIVER PDN.2450

FREQUENCY RESPONSE AND IMPEDANCE CHART FEATURES:

NOMINAL DIAMETERPOWER HANDLINGSENSITIVITY (1W / 1m)FREQUENCY RESPONSEVOICE COIL DIAMETERMAXIMUM LINEAR EXCURSION

© 2018, Precision Devices International Ltd. We operate a policy of continuous research and development and as such published specifications are subject to change without notice.180319 7









Resonance 31.48 Hz




Magnet Material Neodymium








Flange Height 17 mm






WEIGHTNett Weight 25.8 kg / 56.88 lb.

Shipping Weight 27.8 kg / 61.29 lb.

Fs 31.48 Hz

Re 5.55 Ω

Qms 14.11

Qes 0.36

Qts 0.35

Le 1.76 mH

L2 3.69 mH

R2 11.45 Ω

Vas 369.15 litres

Mms 416.49 g

Sd 2248.01 cm2

Cms 61.33 μm/N

BL 35.75 T/m

Xmax 10.5 mm

Vd 2.36 litres











• Lightweight neodymium magnet.

24” / 610 mm1000 W (A.E.S.)98 dB30 Hz - 1 kHz6.0” / 152 mm10.5 mm Xmax

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SUB BASS DRIVERPDN.2450














Resonance 29.5 Hz












Flange Height 15 mm








Fs 29.5 Hz

Re 5.52 Ω

Qms 14.21

Qes 0.28

Qts 0.27

Le 2.1 mH

L2 3.44 mH

R2 10.8 Ω

Vas 309.3 litres

Mms 382.86 g

Sd 1698.23 cm2

Cms 76.4 μm/N

BL 37.42 T/m

Xmax 10.5 mm

Vd 1.712 litres





*2.83V. Half space response measured in a 234 Litre vented enclosure.







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SUB BASS DRIVER PDN.2151












Resonance 31.44 Hz












Flange Height 14 mm








Fs 31.44 Hz

Re 5.35 Ω

Qms 18.3

Qes 0.28

Qts 0.28

Le 1.9 mH

L2 3.79 mH

R2 11.28 Ω

Vas 303.35 litres

Mms 342.86 g

Sd 1698.23 cm2

Cms 74.67 μm/N

BL 35.86 T/m

Xmax 10.5 mm

Vd 1.76 litres













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SUB BASS DRIVERPDN.2151

UK ‘NEXT GENERATION’ LINE

PD.185N02 SUB BASS DRIVER




THIELE SMALL PARAMETERS (8 Ω MODEL)SPECIFICATIONSNominal Diameter 18” / 457.2 mm


Available Impedances 4 Ohms / 8 Ohms / 16 Ohms






Resonance 35.24 Hz








Suspension Material Fabric




Flange Height 14.5 mm



MOUNTING INFORMATIONChassis Shoulder Diameter 414.5 mm



WEIGHTNett Weight 11.5 kg / 25.35 lb

Shipping Weight 12.9 kg / 28.44 lb

Fs 35.24 Hz

Re 4.7 Ω

Qms 22.06

Qes 0.25

Qts 0.24

Le 0.57 mH

L2 1.5 mH

R2 60.87 Ω

Vas 178.281 Litres

Mms 219.92 g

Sd 1164.16 cm2

Cms 0.09 mm/N

BL 30.55 T/m

Xmax / Xlim (±) 12 mm / 22 mm

Vd 1.397 Litres

Ref. Efficiency 3.03%

1. AES Standard (35 to 350 Hz)2. AES Recommended Practice.3. Thiele - Small Parameters follow a 1100 Watt preconditioning period.


*2.83V. Half space response measured in a 975 Litre sealed Enclosure. Blue Line = fundamental 45° off-axis.

• Lightweight neodymium motor system.

• Heavy duty cast aluminium frame for increased rigidity.

• Low distortion subwoofer.

• Long driver excursion.

• High BL factor in excess of 30 T/m.


• Suitable for bass reflex or horn loaded designs but also works well in closed box applications.

18” / 460 mm 1100 W (A.E.S.) 98 dB 35 Hz - 1 kHz 5.0” / 127 mm 12 mm Xmax

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SUB BASS DRIVERPD.185N02


SUB BASS DRIVER PD.1852




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 18” / 457.2 mm







Recommended Enclosure Volume 90 -220 Litres

Resonance 41.85 Hz








Suspension Material Dual silicone

Cone / Surround Material Paper / HGBC











Fs 41.85 Hz

Re 5.18 Ω

Qms 11.1

Qes 0.34

Qts 0.33

Le 0.9 mH

L2 1.83 mH

R2 5.41 Ω

Vas 120.38 litres

Mms 231.21 g

Sd 1164.16 cm2

Cms 63 μm/N

BL 30.47 T/m

Xmax 12 mm

Vd 1.397 litres







• Power compression only 1.7dB at rated power.


• Double suspension.

• Appropriate for applications as diverse as scoop bins, conventional reflex cabinets and horn loaded systems.

• Silicone suspension system.

• Increased excursion over an 1850/2.

• Warm tonal sound.

18” / 460 mm1000 W (A.E.S.)98 dB35 Hz - 2 kHz5.0” / 127 mm12 mm Xmax

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PD.1851/2 SUB BASS DRIVER











Recommended Enclosure Volume 90 -220 Litres

Resonance 37.03 Hz








Suspension Material Acrylic

Cone / Surround Material Paper / HGBC











Fs 37.03 Hz

Re 5.23 Ω

Qms 18.49

Qes 0.27

Qts 0.26

Le 1.04 mH

L2 2.34 mH

R2 4.92 Ω

Vas 160.46 litres

Mms 219.22 g

Sd 1164.16 cm2

Cms 84.33 μm/N

BL 31.48 T/m

Xmax 12 mm

Vd 1.397 litres











• Increased excursion over an 1850/2.

18” / 460 mm 1000 W (A.E.S.) 98 dB 35 Hz - 2 kHz 5.0” / 127 mm 12 mm Xmax

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SUB BASS DRIVERPD.1851/2


SUB BASS DRIVER PD.1850/2












Resonance 33.15 Hz




















Fs 33.15 Hz

Re 5.22 Ω

Qms 15.42

Qes 0.24

Qts 0.24

Le 1.33 mH

L2 2.45 mH

R2 5.3 Ω

Vas 203.84 litres

Mms 215.24 g

Sd 1164.16 cm2

Cms 107 μm/N

BL 30.99 T/m

Xmax 11.05 mm

Vd 1.28 litres












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PD.186/2 SUB BASS DRIVER












Resonance 34.18 Hz




















Fs 34.18 Hz

Re 6.19 Ω

Qms 10.77

Qes 0.55

Qts 0.52

Le 1.95 mH

L2 3.06 mH

R2 8.07 Ω

Vas 192.15 litres

Mms 203.93 g

Sd 1134.11 cm2

Cms 106.67 μm/N

BL 22.18 T/m

Xmax 10.5 mm

Vd 1.2 litres








• Effective transducer in a variety of versatile applications.

• Suitable for horn loaded or reflex designs.


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BASS DRIVER PD.184C01

BASS DRIVERPD.184C01




THIELE SMALL PARAMETERS (8 Ω MODEL)SPECIFICATIONSNominal Diameter 18” / 457.2 mm








Resonance 30 Hz


















WEIGHTNett Weight 14 kg / 30.86 lb


Fs 30 Hz

Re 4.81 Ω

Qms 15.2

Qes 0.23

Qts 0.23

Le 0.47 mH

L2 1.56 mH

R2 57.43 Ω

Vas 337.07 Litres

Mms 163.37 g

Sd 1164.16 cm2

Cms 0.18 mm/N

BL 25.21 T/m


Vd 0.931 Litres


Power compression is the reduction of sensitivity at the specified power. Higher power ratings do not necessarily give a proportionate increase in SPL therefore the maximum SPL of the driver may significantly exceed that of other manufacturers with high power ratings.

1. AES Standard (40 to 400Hz) Program 700 Watts.2. AES Recommended Practice.3. Thiele - Small Parameters follow a 700 Watt preconditioning period.




• Low distortion.

• Suitable for bass reflex or closed box designs but also works well in horn loaded designs.


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Impedance Magnitude

22/05/2014 17:19:19











Sensitivity (1w - 1m) 97.5 dB

Frequency Range 40 Hz - 3.5 kHz


Resonance 36.22 Hz












Flange Height 13 mm








Fs 36.22 Hz

Re 5.86 Ω

Qms 13.04

Qes 0.27

Qts 0.26

Le 1.55 mH

L2 3.02 mH

R2 7.92 Ω

Vas 201.69 litres

Mms 173.02 g

Sd 1134.11 cm2

Cms 111.5 μm/N

BL 29.28 T/m

Xmax 6 mm

Vd 0.68 litres










• Suitable for horn loaded or reflex designs.

18” / 460 mm 600 W (A.E.S.) 97.5 dB 40 Hz - 3.5 kHz 4.0” / 101 mm 6 mm Xmax

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Resonance 50.25 Hz












Flange Height 10 mm





Inner Bolt Circle 8x M6 on 370 mm PCD



Fs 50.25 Hz

Re 5.69 Ω

Qms 7.45

Qes 0.5

Qts 0.47

Le 1 mH

L2 1.84 mH

R2 17.98 Ω

Vas 93.4 litres

Mms 124.55 g

Sd 907.92 cm2

Cms 80.83 μm/N

BL 20.98 T/m

Xmax 8.1 mm

Vd 0.735 litres








• Easy integration with 2” compression drivers.


15” / 380 mm650 W (A.E.S.)96 dB50 Hz - 1.5 kHz4.5” / 115 mm

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8.1 mm Xmax


PD.1550 BASS DRIVER












Resonance 46.17 Hz












Flange Height 10 mm








Fs 46.17 Hz

Re 6.59 Ω

Qms 13.87

Qes 0.3

Qts 0.29

Le 0.78 mH

L2 1.73 mH

R2 14.49 Ω

Vas 126.39 litres

Mms 114.38 g

Sd 907.92 cm2

Cms 109.33 μm/N

BL 26.61 T/m

Xmax 8.2 mm

Vd 0.73 litres







• Power compression only 2.7dB at rated power*.


• Suitable for both horn-loaded and bass reflex designs.

15” / 380 mm 600 W (A.E.S.) 99 dB 40 Hz - 1.5 kHz 4.0” / 101 mm 8.2 mm Xmax

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BASS DRIVERPD.1550















Resonance 54.61 Hz












Flange Height 10 mm








Fs 54.61 Hz

Re 5.77 Ω

Qms 14.91

Qes 0.25

Qts 0.24

Le 0.76 mH

L2 1.94 mH

R2 17.52 Ω

Vas 64.84 litres

Mms 85.23 g

Sd 855.3 cm2

Cms 107.33 μm/N

BL 25.39 T/m

Xmax 6 mm

Vd 0.529 litres








• Easy integration with 1” or 2” compression drivers.


• Also suitable for 1x15” or 2x15” horn loaded/bandpass sub bass designs.


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Resonance 44.94 Hz












Flange Height 10 mm








Fs 44.94 Hz

Re 6.5 Ω

Qms 20.44

Qes 0.27

Qts 0.27

Le 1.03 mH

L2 2.59 mH

R2 21 Ω

Vas 114.9 litres

Mms 126.62 g

Sd 907.92 cm2

Cms 99 μm/N

BL 29.44 T/m

Xmax 7.7 mm

Vd 0.658 litres








• Ideal for three-way direct radiating systems.

• Suitable for bass guitar applications.

15” / 380 mm 500 W (A.E.S.) 97 dB 40 Hz - 2 kHz 4.0” / 101 mm

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7.7 mm Xmax



BASS / MID RANGE DRIVER PD.153C01

BASS / MID RANGE DRIVERPD.153C01




THIELE SMALL PARAMETERS (8 Ω MODEL)SPECIFICATIONSNominal Diameter 15” / 380 mm








Resonance 39 Hz












Flange Height 10 mm








Fs 39 Hz

Re 5.22 Ω

Qms 13.13

Qes 0.27

Qts 0.27

Le 0.40 mH

L2 0.95 mH

R2 34.03 Ω

Vas 195 Litres

Mms 100 g

Sd 907 cm2

Cms 0.17 mm/N

BL 21.72 T/m

Xmax / Xlim (±) 5.7 mm / 15 mm

Vd 0.517 Litres







• Low distortion.

• Suitable for bass reflex or closed box designs but also works well in horn loaded designs.

15” / 380 mm400 W (A.E.S.)100 dB40 Hz - 3.5 kHz3.0” / 76 mm5.7 mm Xmax

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Impedance Magnitude


PD.153ER BASS / MID RANGE DRIVER




SPECIFICATIONSNominal Diameter 15” / 380 mm








Resonance 40 Hz












Flange Height 10 mm














• Extended mid range response up to 4.5kHz.

• Suitable for either direct radiating or popular horn loaded mid/high applications.

• Easy integration with small format compression drivers.

15” / 380 mm 400 W (A.E.S.) 100 dB 40 Hz - 4.5 kHz 3.0” / 76 mm 5.7 mm Xmax

THIELE SMALL PARAMETERS (8Ω MODEL)

Fs 39 Hz

Re 5.7 Ω

Qms 4.45

Qes 0.234

Qts 0.222

Vas 160 litres

Mms 101 g

Sd 830 cm2

Cms 163 μm/N

BL 24.55 T/m

Xmax 5.7 mm

Vd 0.473 litres


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BASS / MID RANGE DRIVERPD.153ER


BASS DRIVER PD.123C01

BASS DRIVERPD.123C01

THIELE SMALL PARAMETERS (8 Ω MODEL)SPECIFICATIONSNominal Diameter 12” / 300 mm








Resonance 46 Hz




Magnet Material Ferrite







Width Across Flats 320.5 mm

Flange Height 10 mm








Fs 46 Hz

Re 5.88 Ω

Qms 16.18

Qes 0.32

Qts 0.31

Le 0.85 mH

L2 1.78 mH

R2 14.75 Ω

Vas 66.82 Litres

Mms 68.56 g

Sd 530.93 cm2

Cms 0.17 mm/N

BL 19.22 T/m


Vd 0.372 Litres







• Low Distortion.

• Long driver excursion.

• Suitable for bass reflex or band pass designs.

12” / 300 mm400 W (A.E.S.)96 dB45 Hz - 3.5 kHz3.0” / 76 mm7 mm Xmax

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PD.123ER MID RANGE DRIVER












Resonance 55.87 Hz












Flange Height 10 mm








Fs 55.87 Hz

Re 6.74 Ω

Qms 13.03

Qes 0.3

Qts 0.29

Le 0.25 mH

L2 1.81 mH

R2 9.68 Ω

Vas 54.54 litres

Mms 58.92 g

Sd 530.93 cm2

Cms 138 μm/N

BL 21.73 T/m

Xmax 2.5 mm

Vd 0.13 litres








• Extended mid range response up to 5kHz.

• Suitable for either direct radiating or popular horn loaded mid/high applications.

• Easy integration with small format compression drivers.


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MID RANGE DRIVERPD.123ER


MID RANGE DRIVERPD.121

MID RANGE DRIVER PD.121












Resonance 53.27 Hz












Flange Height 10 mm








Fs 53.27 Hz

Re 5.93 Ω

Qms 14.66

Qes 0.23

Qts 0.23

Le 0.42 mH

L2 1.13 mH

R2 12.2 Ω

Vas 66.58 litres

Mms 65.37 g

Sd 530.93 cm2

Cms 168.33 μm/N

BL 21.46 T/m

Xmax 2.7 mm

Vd 0.143 litres







• Mid range transducer suitable for either direct radiating or horn loaded applications.

• Smooth response for easy integration across vocal frequency band.


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MID RANGE DRIVERPDN.10MH25

PDN.10MH25 MID RANGE DRIVER












Resonance 73.73 Hz












Flange Height 7 mm








Fs 73.73 Hz

Re 6.19 Ω

Qms 7.7

Qes 0.24

Qts 0.23

Le 0.39 mH

L2 1.18 mH

R2 12.25 Ω

Vas 23.7 litres

Mms 36.41 g

Sd 363.05 cm2

Cms 128 μm/N

BL 20.97 T/m

Xmax 2.6 mm

Vd 0.15 litres







• Mid range transducer.

• Synthetic loaded paper cone.


• Suitable for direct radiating or horn loaded mid/high applications.


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FREQUENCY RESPONSE AND IMPEDANCE CHARTS

1. AES standard practice with high pass filter set at specified lower limiting frequency for two hours.

2. Sensitivity is measured with applied pink noise RMS Voltage set to 2.83V for nominal 8 ohms impedance and measurement taken at 1 metre from mouth of horn. Average SPL taken between 2000 to 10000 Hz.

3. Frequency range is defined as measured frequency-10dB to rated sensitivity.

Measurement taken on custom horn.

POWER HANDLINGSENSITIVITY (1W / 1m)FREQUENCY RESPONSEVOICE COIL DIAMETER


SOUND CHANNEL / THROAT SIZE

FEATURES:

GENERAL SPECIFICATIONSSound Channel / Throat Size 2” / 50.8 mm

Voice Coil Diameter 2.84” / 72.2 mm

Available Impedances 4 Ohm / 8 Ohm / 16 Ohm

Power Rating (above 1kHz) 1 105 W (A.E.S.)

Sensitivity (1W - 1m, on axis, on horn) 2 110 dB

Frequency Range 3 500 Hz - 18 kHz

Recommended Crossover Frequency (Filtered at 18 dB/ Octave)

1600 Hz

Minimum Impedance 3 kHz - 7.2 Ω

Voice Coil Material Aluminium

Coil Former Material Kapton


Diaphragm Material Titanium

Suspension Material Titanium

Surround / Edge Termination Array

Phase Plug Design 3 Slot

Phase Plug Material Aluminium


Connector Type Push Button Spring Terminals


Overall Height 67 mm

MOUNTING INFORMATIONFitting 4 x 6 mm threaded holes @ 180°

Mounting PCD 101.6 mm



• Hand built, precision machined aluminium phase plug.

• Three slot optimised geometry phase plug design enhances frequency response

and tonal performance.

• 72.2 mm aluminium voice coil utilising high temperature kapton former.

• Pure titanium diaphragm for strength and durability at high SPL offers bright

extended output.

• Integrate with our bass and mid range drivers to provide the ultimate PD sound

experience.

The PD.CD2 is an ideal driver for professional high performance applications that can be used in traditional 2-way systems or as part of a larger multi-way long throw system. The individually precision machined and hand assembled three slot, optimised geometry phase plug design enhances tonal performance while minimising sound wave cancellations throughout the working bandwidth.

COMPRESSION DRIVERPD.CD2

2” / 50.8 mm105 W (A.E.S.)110 dB500 Hz - 18 kHz2.84” / 72.2 mm

COMPRESSION DRIVER PD.CD2

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SOUND CHANNEL / THROAT SIZE POWER HANDLING SENSITIVITY (1W/ 1m) FREQUENCY RESPONSE VOICE COIL DIAMETER


FEATURES:

GENERAL SPECIFICATIONSSound Channel / Throat Size 2” / 50.8 mm







1600 Hz

Minimum Impedance 3 kHz - 7.2 Ω


















• Three slot optimised geometry phase plug design enhances frequency

response and tonal performance.


• Radial neodymium motor structure.


extended output.

• Integrate with our bass and mid range drivers to provide the ultimate PD

sound experience.

The PD.CD2N is an ideal driver for professional high performance applications that can be used in traditional 2-way systems or as part of a larger multi-way long throw system. The individually precision machined and hand assembled three slot, optimised geometry phase plug design enhances tonal performance while minimising sound wave cancellations throughout the working bandwidth.

COMPRESSION DRIVERPD.CD2N

2” / 50.8 mm 105 W (A.E.S.) 111 dB 500 Hz - 18 kHz 2.84” / 72.2 mm

PD.CD2N COMPRESSION DRIVER

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SOUND CHANNEL / THROAT SIZEPOWER HANDLINGSENSITIVITY (1W / 1m)FREQUENCY RESPONSEVOICE COIL DIAMETER



FEATURES:

GENERAL SPECIFICATIONSSound Channel / Throat Size 1.5” / 38.1 mm







1600 Hz

Minimum Impedance 2.9 kHz - 7.2 Ω






Surround / Edge Termination Progressive
















extended output.


sound experience.

The PD.CD1.53 is an ideal driver for professional high performance applications that can be used in traditional 2-way systems or as part of a larger multi-way long throw system. The individually precision machined and hand assembled three slot, optimised geometry phase plug design enhances tonal performance while minimising sound wave cancellations throughout the working bandwidth.

COMPRESSION DRIVERPD.CD1.53

1.5” / 38.1 mm105 W (A.E.S.)111 dB500 Hz - 18 kHz2.84” / 72.2 mm

COMPRESSION DRIVER PD.CD1.53

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FREQUENCY RESPONSE AND IMPEDANCE CHARTSFEATURES:








1600 Hz






















• Radial neodymium motor structure design.

• Individually hand built, precision machined aluminium phase plug.

• Three slot optimised geometry phase plug design enhances frequency response

and tonal performance.



extended output.

• Integrate with our bass and mid range drivers to provide the ultimate PD sound

experience.

The PD.CD1.53N is an ideal driver for professional high performance applications that can be used in traditional 2-way systems or as part of a larger multi-way long throw system. The individually precision machined and hand assembled three slot, optimised geometry phase plug design enhances tonal performance while minimising sound wave cancellations throughout the working bandwidth.

COMPRESSION DRIVERPD.CD1.53N

1.5” / 38.1 mm 105 W (A.E.S.) 111 dB 500 Hz - 18 kHz 2.84” / 72.2 mm

PD.CD1.53N COMPRESSION DRIVER

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FREQUENCY RESPONSE AND IMPEDANCE CHARTS FEATURES:








1600 Hz


Voice Coil Material Copper Clad Aluminium

Coil Former Material NSV



















• Individually hand built, precision machined aluminium phase plug.



• 63.5 mm aluminium voice coil utilising high temperature, direct attached, NSV

former for optimal energy transfer between the voice coil and diaphragm.


extended output.


sound experience.

The PD.CD1.5 is an ideal driver for professional high performance applications that can be used in traditional 2-way systems or as part of a larger multi-way long throw system. The individually precision machined, hand assembled three slot, optimised geometry phase plug design enhances tonal performance while minimising sound wave cancellations throughout the working bandwidth.

COMPRESSION DRIVERPD.CD1.5

1.5” / 38.1 mm90 W (A.E.S.)109 dB500 Hz - 18 kHz2.5” / 63.5 mm

COMPRESSION DRIVER PD.CD1.5

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2. Sensitivity is measured with applied pink noise RMS Voltage set to 2.83V for nominal 8 ohms impedance and measurement taken at 1 metre from mouth of horn. Average SPL taken between 2000 to 10000 kHz.





FEATURES:








1600 Hz



Coil Former Material NSV












Mounting PCD 85 mm



• 3 Slot optimised geometry aluminium phase plug.

• 63.65 mm Aluminium voice coil utilising high temperature NSV former.

• Pure titanium diaphragm.

• Radial neodymium motor structure with low impact footprint.

The PD.CD1.5NR1 is an ideal driver for professional high performance applications that can be used in traditional 2-way systems or as part of a larger multi-way long throw system. The radial neodymium motor structure allows close coupling due to the compact size and footprint.

Adaptor plate is available for traditional PCD fixings.

COMPRESSION DRIVERPD.CD1.5NR1

1.5” / 38.1 mm 90 W (A.E.S.) 110 dB 500 Hz - 18 kHz 2.50” / 63.5 mm

PD.CD1.5NR1 COMPRESSION DRIVER


© 2018, Precision Devices International Ltd. We operate a policy of continuous research and development and as such published specifications are subject to change without notice.180319 33COMPRESSION DRIVER PD.CD1N

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1800 Hz





Diaphragm Material PEEK

Suspension Material PEEK

Surround / Edge Termination Flat

Phase Plug Design Annular

Phase Plug Material ABS


Connector Type Solder Tab



MOUNTING INFORMATIONFitting 2 x 6 mm threaded holes

Mounting PCD 76 mm


Shipping Weight 1 kg / 2.2 lb


2. Sensitivity is measured with applied pink noise RMS Voltage set to 2.83V for nominal 8 ohms impedance and measurement taken at 1 metre from mouth of horn. Average SPL taken between 2000 to 10000 kHz.



• The PD.CD1N features an annular slot optimised geometry ABS phase plug.

• 44 mm Aluminium voice coil utilising high temperature Kapton former.

• PEEK diaphragm and surround material.

• Neodymium motor structure.

The PD.CD1N is an ideal driver for professional high performance applications that can be used in traditional 2-way systems or as part of a larger multi-way long throw system. The neodymium motor structure allows close coupling due to the compact size and footprint.

Adaptor plate is available for traditional Flare PCD fixings.

COMPRESSION DRIVERPD.CD1N

1.0” / 25.4 mm40 W (A.E.S.)109 dB900 Hz - 19 kHz1.73” / 44 mm

OPTIMISE YOUR PERFORMANCE.

Our OEM Exclusive Line includes a series of new Radial

Neodymium woofers and compression drivers that

employ high grade, arc segment neodymium magnets

arranged in an optimised radial geometry to produce

an increased flux and efficient motor system.

Providing superior control over cone and coil

displacement, even with the most complex input

signal, increases dynamics and audio clarity. Advanced

thermal management efficiently reduces power

compression and increases reliability to offer genuine

power handling and performance benefits to systems

designers and audio engineers.

ARRANGE YOUR AUDITION TODAY! [email protected]

OEM EXCLUSIVE LINE

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OEM EXCLUSIVE LINE


THIELE SMALL Parameters (8 Ω MODEL)3

GENERAL SPECIFICATIONSNominal Diameter 18” / 457.2 mm



Power Rating 1 2 * 1400 W (A.E.S.)

Peak Power (6dB Crest Factor)* 5600 W (A.E.S.)

Sensitivity (1W - 1m)* 97.5 dB

Frequency Range 30 Hz - 800 Hz


Resonance 34 Hz

Voice Coil Winding Depth 30.50 mm / 1.20”

Magnet Gap Depth 13.0 mm / 0.51”





Dust Dome Material Solid Paper

Suspension Material Poly Cotton

Cone / Surround Material Paper / M Roll Poly Cotton

DIMENSIONSOverall Diameter 473.6 mm



Depth (Excl. Flange) 200.00 mm



Outer Bolt Circle x6 M8 on 456 mm PCDWEIGHTNett Weight 12.73 kg / 28.06 lb


Fs 34 Hz

Re 5.4 Ω

Qms 6.17

Qes 0.290

Qts 0.270

Le (@ 1 kHz) 2.49 mH

Le (@ 10 kHz) 1.290 mH

Vas 102 Litres

Mms 216.00 g

Sd 1164 cm2

Cms 99.70 μm/N

BL 29.50 T/m

Xmax 11.75 mm

Vd 1.400 Litres


EBP 117.24 Hz

*1 Power compression is the reduction of sensitivity at the specified power. Higher power ratings do not necessarily give a proportionate increase in SPL therefore the maximum SPL of the driver may significantly exceed that of other manufacturers with high power ratings.** Distortion is measured at 10% of the rated power (AES Standard).

1. AES Standard (35 to 350 Hz) Program 1000 Watts.2. AES Recommended Practice.3. Thiele - Small Parameters follow a 1000 Watt preconditioning period.


Half space response measured in a 950 Litre sealed enclosure.

• Radial neodymium motor structure.• Vented cast aluminium chassis for improved thermal control of voice coil.• Forced air cooling vented voice coil gap.• Aluminium demodulation ring.• Dual spider configuration with silicone based damping control.• Triple-roll surround straight cone geometry.

The PD.185NR1 is ideally suited to applications where high power handling, long excursion and perfect linearity is required. Ideal for bass reflex design cabinets. The robust mechanical design and construction makes this unit an ideal choice for fixed or touring applications. The optimised radial neodymium motor system allows more efficient management of the magnetic flux, forced air venting and rear aluminium base plate keeps the motors temperature under control and reduced power compression to a minimum. The unit features a 5-inch, high temperature, copper voice coil capable of handling 1400W (AES) and exhibits an average sensitivity of 97.5dB across its working band.

SUB BASS DRIVERPD.185NR1

18” / 457.2 mm1400 W (A.E.S.)97.5 dB30 Hz - 800 Hz5.0” / 127 mm11.75 mm Xmax

SUB BASS DRIVER PD.185NR1

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Sensitivity (1W - 1m)* 99 dB



Resonance 33 Hz




Magnet Material Y35 Ferrite

Voice Coil Material Copper (Inside / outside winding)













Fs 33 Hz

Re 5.4 Ω

Qms 10.60

Qes 0.229

Qts 0.240

Le (@ 1 kHz) 2.80 mH

Le (@ 10 kHz) 1.360 mH

Vas 224 Litres

Mms 197.00 g

Sd 1164 cm2

Cms 118.00 μm/N

BL 31.50 T/m

Xmax 11.00 mm

Vd 1.274 Litres


EBP 144.10 Hz





• Vented cast aluminium chassis for improved thermal control of voice coil.

• Vented motor structure for improved control of power compression.

• 50 mm peak to peak travel.

• 31 T/m BL.

• Dual suspension assembly.

• Inside/ outside voice coil windings.

The PD.185C003 is ideally suited to applications where high power handling, long excursion and perfect linearity is required. Ideal for bass reflex and horn loaded enclosure systems where a high punch and low sub is required. The robust mechanical design and construction makes this unit an ideal choice for high power high SPL bass applications.

SUB BASS DRIVERPD.185C003

18” / 457.2 mm 1000 W (A.E.S.) 99 dB 30 Hz - 500 Hz 5.0” / 127 mm 11.00 mm Xmax

PD.185C003 SUB BASS DRIVER

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Resonance 32 Hz


















Fs 32 Hz

Re 5.9 Ω

Qms 8.42

Qes 0.423

Qts 0.403

Le (@ 1 kHz) 3.80 mH

Le (@ 10 kHz) 1.589 mH

Vas 302 Litres

Mms 157.20 g

Sd 1162 cm2

Cms 157.40 μm/N

BL 21.00 T/m

Xmax 10.50 mm

Vd 1.220 Litres


EBP 75.65 Hz





• Engineered for minimal weight using traditional ferrite magnet motor.

• 5” High temperature copper voice coil.

• 3 kg Y35 ceramic magnet.

• Double suspension assembly.

• Triple roll surround straight cone geometry.

• Straight cone geometry.

The PD.185C001 is ideally suited to applications where high power handling, long excursion and perfect linearity is required. Ideal for bass reflex and horn loaded enclosure systems. The robust mechanical design and construction makes this unit an ideal choice for fixed or touring applications.


18” / 457.2 mm900 W (A.E.S.)97 dB30 Hz - 300 Hz5.0” / 127 mm10.50 mm Xmax

SUB BASS DRIVER PD.185C001

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Resonance 38 Hz








Suspension Material Poly Cotton / Silicone Damping










Fs 38 Hz

Re 5.4 Ω

Qms 6.17

Qes 0.290

Qts 0.270

Le (@ 1 kHz) 1.89 mH

Le (@ 10 kHz) 0.880 mH

Vas 102 Litres

Mms 216.00 g

Sd 1164 cm2

Cms 99.70 μm/N

BL 29.50 T/m

Xmax 8.50 mm

Vd 0.8 Litres


EBP 131.03 Hz





• Radial Neodymium Motor structure.• Vented cast aluminium chassis for improved thermal control of voice coil.• Forced air cooling vented voice coil gap.• Aluminium demodulation ring.• Dual spider configuration with silicone based damping control.• Triple-roll surround straight cone geometry.• Rear aluminium heat sink.

The PD.184NR1 is ideally suited to applications where high power handling, long excursion and perfect linearity is required. Ideal for bass reflex design cabinets. The robust mechanical design and construction makes this unit an ideal choice for fixed or touring applications. The PD.184NR1 is intended as a dedicated sub woofer in bass reflex and horn loaded designs. The optimised radial neodymium motor system allows more efficient management of the magnetic flux, forced air venting and rear aluminium base plate keeps the motor temperature under control and reduced power compression to a minimum. The unit features a 4-inch, high temperature, copper voice coil capable of handling 1000W (AES) and exhibits an average sensitivity of 99dB across its working band.

SUB BASS DRIVERPD.184NR1

18” / 457.2 mm 1000 W (A.E.S.) 99 dB 30 Hz - 800 Hz 4.0” / 101.6 mm 8.50 mm Xmax

PD.184NR1 SUB BASS DRIVER

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Resonance 40 Hz





Voice Coil Material Copper Flat Wire




Cone / Surround Material Fibre loaded paper / Poly cotton









Fs 40 Hz

Re 5.2 Ω

Qms 5.67

Qes 0.360

Qts 0.340

Le (@ 1 kHz) 2.31 mH

Le (@ 10 kHz) 1.110 mH

Vas 268 Litres

Mms 112.00 g

Sd 1152 cm2

Cms 141.00 μm/N

BL 21.00 T/m

Xmax 9.70 mm

Vd 1.120 Litres


EBP 111.11 Hz


1. AES Standard (30 to 350 Hz)2. AES Recommended Practice.3. Thiele - Small Parameters follow a 800 Watt preconditioning period.




• Aluminium demodulation ring.

• Flat wire 4” high temperature copper voice coil.

• Dual spider configuration with silicone based damping control.

• Triple roll surround straight cone geometry.

• For sub bass applications in bass reflex enclosures.

The PD.184C002 is ideally suited to applications where high power handling, long excursion and perfect linearity is required. Ideal for bass reflex enclosure systems. The robust mechanical design and construction makes this unit an ideal choice for fixed or touring applications.


18” / 457.2 mm900 W (A.E.S.)99 dB30 Hz - 500 Hz4.0” / 101.6 mm9.70 mm Xmax

SUB BASS DRIVER PD.184C002

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OEM EXCLUSIVE LINE



GENERAL SPECIFICATIONSNominal Diameter 15” / 381 mm








Resonance 37 Hz


















Fs 37 Hz

Re 5.4 Ω

Qms 6.10

Qes 0.237

Qts 0.228

Le (@ 1 kHz) 2.35 mH

Le (@ 10 kHz) 1.230 mH

Vas 140 Litres

Mms 154.00 g

Sd 895 cm2

Cms 123.20 μm/N

BL 28.60 T/m

Xmax 12.00 mm

Vd 0.980 Litres


EBP 156.12 Hz







• Forced air cooling vented voice coil gap.


• Rear aluminium heat sink.

The PD.155NR1 is intended as a dedicated woofer in bass reflex and horn loaded designs. The unit is also capable as a high power upper bass driver in multiway systems. The optimised radial neodymium motor system allows more efficient management of the magnetic flux, forced air venting and rear aluminium base plate keeps the motor temperature under control and reduces power compression to a minimum. The unit features a 5-inch, high temperature, copper voice coil capable of handling 1000W (AES) the PD.155NR1 exhibits an average sensitivity of 98.5dB across its working band.

BASS/ LOW-MID RANGE DRIVERPD.155NR1

15” / 381 mm 1000 W (A.E.S.) 98.5 dB 45 Hz - 2 kHz 5.0” / 127 mm 12.00 mm Xmax

PD.155NR1 BASS/ LOW-MID RANGE DRIVER

PRELIMINARYSPECIFICATIONS

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OEM EXCLUSIVE LINE











Resonance 46 Hz


















Fs 46 Hz

Re 6.1 Ω

Qms 7.00

Qes 0.430

Qts 0.400

Le (@ 1 kHz) 1.73 mH

Le (@ 10 kHz) 0.700 mH

Vas 158 Litres

Mms 84.00 g

Sd 897 cm2

Cms 138.00 μm/N

BL 18.50 T/m

Xmax 8.50 mm

Vd 0.760 Litres


EBP 106.98 Hz









• Dual spider configuration with silicone based damping control.


The PD.154NR1 is intended as a high power upper bass driver in multiway systems, the unit can also be used as a dedicated woofer in bass reflex and horn loaded designs. The optimised radial neodymium motor system allows more efficient management of the magnetic flux, forced air venting and rear aluminium base plate keeps the motor temperature under control and reduces power compression to a minimum. The unit features a 4-inch, high temperature, CCAW voice coil capable of handling 900W (AES) the PD.154NR1 exhibits an average sensitivity of 99dB across its working band and will produce an SPL of 127.5 dB in an 85Ltr ported enclosure tuned to 50Hz.

BASS/ LOW MID-RANGE DRIVERPD.154NR1

15” / 381 mm900 W (A.E.S.)99 dB45 Hz - 4 kHz4.0” / 101.6 mm8.50 mm Xmax

BASS/ LOW-MID RANGE DRIVER PD.154NR1

+120

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Resonance 45 Hz


















Fs 45 Hz

Re 6.1 Ω

Qms 4.29

Qes 0.335

Qts 0.311

Le (@ 1 kHz) 1.80 mH

Le (@ 10 kHz) 0.758 mH

Vas 128 Litres

Mms 119.00 g

Sd 897.5 cm2

Cms 111.90 μm/N

BL 25.50 T/m

Xmax 8.20 mm

Vd 0.730 Litres


EBP 134.33 Hz





• 4” High temperature CCAW voice coil.

• Composite alloy and steel pole piece, producing a uniform and stable magnetic field.

• High BL driver in excess of 25 T/m.

Designed to faithfully reproduce powerful and accurate bass frequencies with minimal distortion and power compression. Suitable for sound reinforcement in a variety of enclosure designs.


15” / 381 mm 700 W (A.E.S.) 98.5 dB 45 Hz - 1 kHz 4.0” / 101.6 mm 8.20 mm Xmax

PD.154C001 SUB BASS DRIVER

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Resonance 38 Hz






Former Material Kapton



Cone / Surround Material Fabric









Fs 38 Hz

Re 5.6 Ω

Qms 4.03

Qes 0.265

Qts 0.249

Le (@ 1 kHz) 1.28 mH

Le (@ 10 kHz) 0.128 mH

Vas 263 Litres

Mms 67.14 g

Sd 853 cm2

Cms 254.40 μm/N

BL 18.90 T/m

Xmax 6.75 mm

Vd 0.570 Litres


EBP 143.40 Hz






• Aluminium demodulating ring.

• Copper shorting ring.

• M-roll cone surround profile.

• Ribbed cone profile.

The PD.153C002 offers excellent linear response well controlled down to 45Hz. It is a very good solution for two way or multi way systems. Thanks to the copper shorting ring and CCAW voice coil wire the unit also offers extended high frequency performance. Works well in conjunction with 1-inch exit compression driver.

BASS/ MID RANGE DRIVERPD.153C002

15” / 381 mm450 W (A.E.S.)101 dB40 Hz - 5 kHz3.0” / 76.2 mm6.75 mm Xmax

BASS/ MID RANGE DRIVER PD.153C002

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Available Impedances 8 Ohm






Resonance 38 Hz









Cone / Surround Material Black Cotton









Fs 38 Hz

Re 5.5 Ω

Qms 6.20

Qes 0.231

Qts 0.223

Le (@ 1 kHz) 2.16 mH

Le (@ 10 kHz) 0.900 mH

Vas 196 Litres

Mms 102.90 g

Sd 899 cm2

Cms 170.00 μm/N

BL 24.19 T/m

Xmax 7.70 mm

Vd 0.630 Litres


EBP 164.50 Hz






• Optimised vented voice coil cools and reduces turbulence in the coil gap.

• M-roll cone surround profile.

• Ribbed cone.

• High BL of 24.19 T/m.

The PD.153C001 offers excellent linear response well controlled down to 40Hz. It is a very good solution for two way or multi way systems when high BL and good punch is required. The PD.153C001 can also be used in a compact sub application. Works well in conjunction with PD.CD1.5.


15” / 381 mm 400 W (A.E.S.) 100.3 dB 40 Hz - 3 kHz 3.0” / 76.2 mm 7.70 mm Xmax

PD.153C001 BASS/ MID RANGE DRIVER

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Resonance 58 Hz


















Fs 58 Hz

Re 6.1 Ω

Qms 8.20

Qes 0.370

Qts 0.350

Le (@ 1 kHz) 2.60 mH

Le (@ 10 kHz) 0.750 mH

Vas 49 Litres

Mms 60.00 g

Sd 540 cm2

Cms 119.00 μm/N

BL 19.20 T/m

Xmax 8.50 mm

Vd 0.590 Litres


EBP 156.76 Hz





• Radial neodymium motor structure.• Vented cast aluminium chassis for improved thermal control of voice coil.• Forced air cooling vented voice coil gap.• Aluminium demodulation ring.• Dual spider configuration with silicone based damping control.• Rear aluminium heat sink.

The PD.124NR1 is intended as a high power mid bass driver in multiway systems. The unit can also be used as a dedicated woofer in bass reflex and horn loaded designs. The optimised radial neodymium motor system allows more efficient management of the magnetic flux. Forced air venting and rear aluminium base plate keeps the motor temperature under control and reduces power compression to a minimum. The unit features a 4-inch, high temperature, CCAW voice coil capable of handling 1000 W (AES). The PD.154NR1 exhibits an average sensitivity of 99dB across its working band and will produce an SPL of 126.5 dB in an 45Ltr ported enclosure tuned to 60Hz.

BASS/ MID RANGE DRIVERPD.124NR1

12” / 304.8 mm1000 W (A.E.S.)99 dB45 Hz - 4 kHz4.0” / 101.6 mm8.50 mm Xmax

BASS/ MID RANGE DRIVER PD.124NR1

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Resonance 35 Hz
















Outer Bolt Circle x4 M6 318 mm PCD

Inner Bolt Circle (Hidden) x8 M6 on 293 mm PCD



Fs 35 Hz

Re 5.5 Ω

Qms 7.50

Qes 0.147

Qts 0.144

Le (@ 1 kHz) 2.17 mH

Le (@ 10 kHz) 0.910 mH

Vas 122 Litres

Mms 70.00 g

Sd 547 cm2

Cms 288.00 μm/N

BL 24.50 T/m

Xmax 7.50 mm

Vd 0.410 Litres


EBP 238.10 Hz






• Optimised vented voice coil cools and reduces coil gap turbulence.

• Multi roll cone surround profile.

• High BL of 24.5 T/m.

The PD.123C001 offers excellent linear response well controlled down to 50Hz. It is a very good solution for two way or multi way systems when a high BL and good punch is required.


12” / 304.8 mm 400 W (A.E.S.) 99 dB 45 Hz - 4 kHz 3.0” / 76.2 mm 7.50 mm Xmax

PD.123C001 BASS/ MID RANGE DRIVER

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Resonance 39 Hz
















Outer Bolt Circle x4 M6 on 318 mm PCD

Inner Bolt Circle (Hidden) x8 M6 on 293 mm PCD



Fs 39 Hz

Re 5.2 Ω

Qms 5.90

Qes 0.195

Qts 0.189

Le (@ 1 kHz) 1.33 mH

Le (@ 10 kHz) 0.450 mH

Vas 156 Litres

Mms 48.30 g

Sd 549.9 cm2

Cms 363.20 μm/N

BL 17.54 T/m

Xmax 5.60 mm

Vd 0.310 Litres


EBP 200.00 Hz






• Optimised vented voice coil cools and reduces coil gap turbulence.

• Intended for 2 way speaker systems in a KTV application.

The PD.1225C001 is intended for KTV applications and offers good vocal character. The unit can produce good solid bass in compact cabinet design without the need of sub cabinets in the room.


12” / 304.8 mm300 W (A.E.S.)100 dB45 Hz - 5 kHz2.5” / 63.5 mm5.60 mm Xmax

BASS/ MID RANGE DRIVER PD.1225C001

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Resonance 65 Hz











Width Across Flats 272.24 / 269 mm







Fs 65 Hz

Re 5.5 Ω

Qms 5.95

Qes 0.220

Qts 0.212

Le (@ 1 kHz) 1.20 mH

Le (@ 10 kHz) 0.566 mH

Vas 36 Litres

Mms 31.00 g

Sd 362 cm2

Cms 193.00 μm/N

BL 18.00 T/m

Xmax 7.50 mm

Vd 0.180 Litres


EBP 295.45 Hz









• 3” High temperature CCAW voice coil


The PD.103NR1 is intended for use as a high power mid range driver in multiway systems. The optimised radial neodymium motor system allows more efficient management of the magnetic flux. Forced air venting and rear aluminium base plate keeps the motor temperature under control and reduces power compression to a minimum. The unit features a 3-inch, high temperature, CCAW voice coil capable of handling 450W (AES). The PD.103NR1 exhibits an average sensitivity of 100dB across its working band and will produce an SPL of 126 dB in a 15Ltr sealed enclosure.

MID RANGE DRIVERPD.103NR1

10” / 254 mm 450 W (A.E.S.) 100 dB 100 Hz - 5 kHz 3.0” / 76.2 mm 7.50 mm Xmax

PD.103NR1 MID RANGE DRIVER

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GENERAL SPECIFICATIONSNominal Diameter 6.5” / 165 mm







Recommended Enclosure Volume N/A

Resonance 580 Hz







Dust Dome Material Felt









Outer Bolt Circle x6 M5 180 mm PCDWEIGHTNett Weight 4.90 kg / 10.80 lb


Fs 580 Hz

Re 13.5 Ω

Qms N/A

Qes N/A

Qts N/A

Le (@ 1 kHz) 2.175 mH

Le (@ 10 kHz) 0.460 mH

Vas N/A

Mms N/A

Sd 132.73 cm2

Cms N/A

BL 18.20 T/m

Xmax 2.50 mm

Vd 0.038 Litres


EBP N/A




*2.83V. Half space response.

• For use with custom designed waveguide.

• Sealed chassis offers this unit independence from main enclosure.

• Deep cone profile.

Designed for use with custom designed waveguide to provide outstanding mid range and extended response.

MID RANGE DRIVERPD.615C002

6.5” / 165 mm140 W (A.E.S.)105 dB600 Hz - 10 kHz1.5” / 38.1 mm2.50 mm Xmax

MID RANGE DRIVER PD.615C002

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GENERAL SPECIFICATIONSNominal Diameter 6.5” / 165 mm







Recommended Enclosure Volume N/A

Resonance 580 Hz







Dust Dome Material Felt









Outer Bolt Circle x6 M5 180 mm PCDWEIGHTNett Weight 1.90 kg / 4.19 lb


Fs 580 Hz

Re 13.5 Ω

Qms N/A

Qes N/A

Qts N/A

Le (@ 1 kHz) 2.175 mH

Le (@ 10 kHz) 0.460 mH

Vas N/A

Mms N/A

Sd 132.73 cm2

Cms N/A

BL 17.00 T/m

Xmax 2.50 mm

Vd 0.038 Litres


EBP N/A




*2.83V. Half space response.

• Lightweight neodymium design, weighs only 1.9 kg.

• For use with custom designed waveguide.

• Sealed chassis offers this unit independence from main enclosure.

• Deep cone profile.

Designed for use with custom designed waveguide to provide outstanding mid range and extended response.

MID RANGE DRIVERPD.615N002

6.5” / 165 mm 140 W (A.E.S.) 100 dB 600 Hz - 10 kHz 1.5” / 38.1 mm 2.50 mm Xmax

PD.615N002 MID RANGE DRIVER

INTERPRETING OUR DATA

POWER RATINGS

We measure all of our drivers according to the A.E.S. standard protocols. Each driver is tested for

2 hours at rated power over the drivers working bandwidth, after which the driver should show no

appreciable signs of damage. Mechanical properties are also taken into consideration when classifying

power rating even though the electrical properties of the voice coil can often exceed the drivers’ listed

power rating.

THIELE SMALL PARAMETERS

Fs Resonance frequency of the driver’s moving mass (in free air).

Re DC resistance of the voice coil, measured in ohms.

Qms Mechanical Q of the driver at Fs.

Qes Electrical Q of the driver at Fs.

Qts Total Q of the driver at Fs.

Le Voice coil inductance measured in millihenries.

L2 Para inductance measured in millihenries.

R2 Eddy current resistance measured in ohms.

Vas Volume of air equal to the compliance of the driver’s suspension.

Mms Moving mass of the diaphragm including air load.

Sd Effective surface area of the diaphragm.

Cms Compliance of the driver’s suspension, in metres per Newton (the reciprocal of the units stiffness).

BL The product of magnetic field strength in the voice coil gap (Motor unit strength).

Xmax Maximum linear peak excursion of voice coil travel.

Vd Volume displaced by the driver’s cone.

DIMENSIONS AND FIXINGS

A Overall Diameter.

B Width Across Flats.

C Flange Height.

D Depth Excl. Flange Height.

E Magnet Diameter.

F Chassis Shoulder Diameter.

G Outer Bolt Circle PCD.

H Inner Bolt Circle PCD.A C

D

E F

B

H G

Sovereign House | Gilcar Way | Wakefield Europort | Castleford | WF10 5QS | England

T. +44 (0)1924 224610 | E. [email protected]

© 2018, Precision Devices International Ltd. Precision Devices International Ltd operates a policy of continuous product development and reserves the right to change specification at any time without notice. Any specifications or product images in this document are correct at the time of publication. 180319

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