The Sound That Will MOVE You...
Earthquake Sound Corporation, 1215 O’Brien Drive, Menlo Park, CA, 94025. Ph (650) 327-3003. Fax (650) 327-0179.
Wwww.earthquakesound.com
Magma
DB-R
DBX-R
Tremor-XR
SubwoofersInstallation
&Reference
Manual
A THANK YOU NOTE
Dear Valued Customer,
Congratulations! You are the proud owner of a high-quality Earthquake Subwoofer.
Earthquake Sound Corporation, located in Menlo Park California at the heart of the San Francisco Bay Area; specializes in manufacturing high end car audio products ranging from the smallest titanium tweeter to the world’s largest amplifier. In its dedication to excellence, Earthquake has maintained extensive programs in research and development to provide you with the highest quality mobile audio products.
This owners manual is designed to better acquaint you with Earthquake products and to guide you through all phases of system design and application. It is imperative that you read this manual in its entirety. Earthquake technicians and staff are looking forward to answering any questions you might have.
CAUTION: Earthquake Audio products are capable of producing over 140dB and are commonly used for high powered audio systems. Prolonged exposure to SPL levels of over 100dB will cause permanent haring damage. We at Earthquake ask you to please exercise extreme caution when using our product for competition or every day use.
SUBWOOFER SPECIFICATIONS
OHM-LAW How To Wire Your Subwoofers.
8"
15 5/16"14"
6 7
/8"
SEALED
V = 1.5 ft3
Q = 1.2
F3 = 47Hz
Fc = 63Hz
SEALED
V = 2.0 ft3
Q = 1.0
F3 = 44Hz
Fc = 57Hz
SEALED
V = 2.5 ft3
Q = 0.9
F3 = 42Hz
Fc = 53Hz
SPL LOW BASS
V = 1.5 ft3
FB = optimum
using SLAPS-15
passive radiator
V = 2.5 ft3
FB = optimum
using SLAPS-15
passive radiator
SPL NORMAL LOW BASS
SLAPSTUNED
SLAPSTUNED
6 3/8”
12 1/2”11 1/8”
5 7
/8”
SEALED
V = 0.8 ft3
Q = 0.81
F3 = 42Hz
Fc = 48Hz
SEALED
V = 1.0 ft3
Q = 0.76
F3 = 42Hz
Fc = 44Hz
SEALED
V = 1.2 ft3
Q = 0.7
F3 = 41Hz
Fc = 42Hz
SLAPS
V = 1.1 ft3
FB = optimum
using SLAPS-12
passive radiator
TUNEDTUNED
V = 1.4 ft3
FB = optimum
using SLAPS-12
passive radiator
SPL NORMAL LOW BASS
SPL LOW BASS
SLAPS
16.5"
14
"
19" 16"
PO
RT
MAGMA12
#1Bass Heads
3"
22"
18
"
23" 16.5"
PO
RT
MAGMA15
#1
Bass Heads
6"
MAGMA12 MAGMA15
#1 in Sound Quality, #1 in SPL...
“In sound quality and low frequency extension, the Earthquake MAGMAs excel leaving all other woofers behind” May 1999 CA&E. “With nearly 22mm of linear excursion (four times longer than other sub), and a hefty 3” 4-layer dual voice coil; the MAGMAs make sealed box bass an octave lower than any other woofer.” May 1999 CA&E.
MAGMA-Pro www.earthquakesound.com
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.
VB = 0.7 ft3FB = 45HzPD = 3”PL = 8.5”
#1 “SPL”Ported Box
VB = 1.25 ft3FB = 35HzPD = 3”PL = 10”
#1 Low BassPorted Box
VB = .75Q = .85F3 = 47HzFc = 56Hz
#2 Low Basssealed Box
VB = 1.0 ft3FB = 55HzPD = 4”PL = 4”
VB = .8 ft3Q = .87F3 = 55HzFc = 38Hz
Band Pass4TH ORDER
VB = .75 ft3FB = 70HzPD = 4”PL = 8”
VB = 2.8 ft3FB = 30HzPD = 4”PL = 12”
Band Pass7TH ORDER
VB = 1.0 ft3FB = 45HzPD = 3”PL = 7”
#1 “SPL”Ported Box
VB = 1.75 ft3FB = 40HzPD = 4”PL = 10”
#1 Low BassPorted Box
VB = 0.9 ft3Q = 1.3F3 = 53HzFc = 74Hz
#2 “SPL”Sealed Box
VB = 1.7 ft3Q = .9F3 = 45HzFc = 57Hz
#2 Low BassSealed Box
VB = 1.4 ft3FB = 60HzPD = 5”PL = 7”
VB = 1.8 ft3Q = .95F3 = 56HzFc = 35Hz
Band Pass4TH ORDER
VB = 2.5 ft3FB = 45HzPD = 4”PL = 5”
#1 “SPL”Ported Box
VB = 4.0 ft3FB = 35HzPD = 4”PL = 4”
#1 Low BassPorted Box
VB = 3.0 ft3Q = .9F3 = 45HzFc = 54Hz
#2 Low BassSealed Box
VB = 1.5 ft3Q = 1.2F3 = 55HzFc = 76Hz
#2 “SPL”Sealed Box
VB = 3.0 ft3FB = 55HzTwo ports at4” x 4” each
VB = 3.0 ft3Q = .9FO = 55HzFc = 34Hz
Band Pass4TH ORDER
5 ½”
10 1/4” 9 3/8”
4 1
/4”
4 ¾
“DBR-10
5 ½”
12 3/8” 11”
5 ½
”
5 ¾
“
DBR-12
6 1/4”
15 1/4” 14”
6 1
/4”
6 3
/4”
DBR-15
DB-Street Pro www.earthquakesound.com
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.
12
"
15"
15 1/2" 11"
PO
RT
(2"
x10.
5"x1
1")
Inte
rnal
dim
ensi
ons
DBX10D
#1Bass head design for competition
(External Dimensions using 3/4" MDF)
6 3/8”
10 5/8” 9 3/8”
51
/4”
6”
DBXR-10D & DBXR-101
0"
11 1/4 "
DBX8D
10"#3Sealed design for tight bass
11
"
15 "
DBX8D
Port
3" diameter 7" long
14"#2Port tuned design for deep bass
15 1/2"13"
PO
RT
(1"
x9.5
"x13
")
Inte
rnal
dim
ensi
ons
DBX8D
14"
11
"
#1Bass head design for competition
5 1/2”
8”7 1/4”
4”
4 3
/4”
DBXR-8D
(External Dimensions using 3/4" MDF)
16"
12
"
11 "
Port
4" diameter 8 1/2" long
DBX10D
#2Port tuned design for deep bass
12"
12
"
11 1/4 "
DBX10D
#3Sealed design for tight bass
DB-Xtreme www.earthquakesound.com
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.
6 3/8”
12 5/8” 11 1/8”
5 6
/8”
6 5
/8”
7 3/8”
15 5/8” 14”
7” 8 ”
VB = 2 1/2 ft3FB = optimized withSLAPS-12 passive
Drone Tuned Box
#1Passive tuned design for
16 1/2"
19"16"
DBX12D
PORT
(3"x
12.5
"x16
")In
tern
al d
imen
sions
#1Bass head design for competition
19"
14
"
DBX12D
#2 Port tuned design for deep bass
9"
DBX12D
DBXR-15DDBXR-12D & DBXR-12
13 1/2"
Inte
rnal
dim
ensio
nsPO
RT (2
"x12
.5"x
9")
14
"
14"
10 3/4 "
#3 Sealed design for tight bass
22"
23" 16 1/2"
Inte
rnal
dim
ensio
ns
#1Bass head design for competition
18
"
DBX15D
PORT
(6"x
16.5"
x16.5
")
VB = 2 1/2 ft3FB = optimized withSLAPS-15 passive
#1Passive tuned design for
Drone Tuned Box
23"
18
"
9"#2
PO
RT
(2
"x1
6.5
"x9
")
Inte
rna
l d
ime
ns
ion
s
DBX15D
#2Port tuned design for deep bass
9"
PORT
(2"x
16.5
"x9"
)In
tern
al d
imen
sions
DBX15D
12 1/2"
17"
15 "
#3Sealed design for tight bass
14
"
DBX12D 17
"
DBX15D DBX15D
DB-Xtreme www.earthquakesound.com
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.
TremorX-8 TremorX-10
14"
11
"
15 1/2"13"
PO
RT
(1"
x9.5
"x13
")
Inte
rnal
dim
ensi
on
s
#1
11
"
Bass head design for competition
TremorX8
15"
12
"
15 1/2" 11"
PO
RT
(2"x
10.5
"x11
")
Inte
rnal
dim
ensi
on
s
12
"
#1 Bass head design for competition
TremorX10
5 3/4”
10 3/8”9”
5” 5 5
/8”
5 3/4”
8 1/2”7 1/4”
4 5
/8”
5”
14"
15 "
#2
Port
3" diameter 7" long
Port tuned design for deep bass
TremorX8
10"
10
"
11 1/4 "
#3 Sealed design for tight bass
TremorX8
16"
11 " #2
Port
4" diameter 8 1/2" long
#2Port tuned design for deep bass
TremorX10
12"
12
"
11 1/4 "
#3 Sealed design for tight bass
TremorX10
TREMOR-Xtreme www.earthquakesound.com
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.
TremorX-12 15 ½” 13 3/4”
6 3
/8”
7 ”
22"
23" 16 1/2"
TremorX-15
PORT
(6"x1
6.5"x1
6.5")
Inter
nal d
imen
sions
#1Bass head design for competition
6 3/8”
12 3/8” 11”
5 1
/2”
16 1/2"
14
"
19" 16"
PORT
(3"x
12.5
"x16
")Int
ernal
dimen
sions
6 1
/8”
#1
#1
Bass head design for competition
TremorX12
6 1/2”
VB = 2 1/2 ft3FB = optimized withSLAPS-15 passive
Drone Tuned Box
23"
18
"
12 1/2" 9"
PORT
(2"x
16.5
"x9"
)Int
erna
l dim
ensio
ns
18
"
17"
17
"
15 "
#2 Port tuned design for deep bass
#3 Sealed design for tight bass
#1Passive tuned design fordeep bass small volume
TremorX15
TremorX15
TremorX15
VB = 2 1/2 ft3FB = optimized withSLAPS-12 passive
19"
14
"
13 1/2"9"
PORT
(2"x
12.5
"x9"
)Int
ernal
dimen
sions
14"
14
"
10 3/4 "
#2 Port tuned design for deep bass
#3 Sealed design for tight bass
Passive tuned design fordeep bass small volume
TremorX12
TremorX12
Drone Tuned Box
TREMOR-Xtreme www.earthquakesound.com
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.
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