1 9 3 6 Complete Catalog

MICROPHONES and ACCESSORIES

for

Public Address

E Broadcasting

Recording

Amateur and Commercial Communications

Intercommunication

Hearing Aids

Scientific and Industrial Ap?lications

The SHURE GUARANTEE Each instrument is guaranteed to be

SHURE MICROPHONES free from mechanical and electrical are products of specialists. They are designed and pro- defects for a period of one year from date of shipment from the factory, duced at "Microphone Headquarters," where all effort is provided all instructions are complied devoted exclusively to Microphones and closely-related with fully. . .

accessories.

Out of this specialized activity have come such outstanding developments a s the "Wave-Equalization" of microphone response . . . the "Spheroid" Non-Directional crystal micro- phone . . . the "Curvilinear" microphone diaphragm . . . a

E s t a b l i s h e d 1 9 2 5 new improved piezo-electric "Stethophone" . . . and many others. As a result, Shure Microphones have achieved world wide recognition for their outstanding quality and moderate cost.

Continued forward-looking research and development of this high type is your assurance of advanced performance in every Shure Microphone.

S H U R E B R O T H E R S M I C R O P H O N E H E A D Q U A R T E R S

Form No. 138--43615H Printed in U. S. A.

GHUREmn;rrmrrm . I r n I

A d o p t e d by Leading Sound

E a u i ~ m e n t M a n u f a c t u r e r s

CARBON T Y P E -- Model 3B Two-Button

Advanced engineering and controlled quantity pro* duction have made possible thls ful1,slze TwoeButton Microphone with quality performance never before available at such extremely low cost! Designed for spring suspension. Rigid cast framcs and bu~ l t - in prorcctlve grill, finished in

bright nickel plate overall. Has the wel1,known Shure "Quickway" Hooks. May he used as a singleebutton microphone. Fsame diameter, 3". Net weight, 1/1 Ib. Shipping weight, 3/4 Ib. Model 3B. Two,Button. Code: Ruciv. $550

. . . . . . . . . . . . . . . . . . . . . . . . List P r i ce . . Model 10B. Convertible Hand h41cro. phone. Convenient general purpose P.A. microphone, convertible from hand to 3B type for stand mounting by removing mounting ring and inserring four "Quickway" Hooks. Black enam* eled handle. Overall length, 8'/sN. Net d h t , 3/4 kb. Shipping welght, 1 Ib. Complete with 6 feet of three* conductor cable and 4 Quickmay" Hooks. Code: Rucor. List Price.

$10 . . . . . . . . . . . . . Madel 1 O S . Convertible Hand Mi* crophone. Sawe as Model 10B hut in, cludes a concealed switch which auto, matlcally cuts off the microphone when in a horizontal position. Code: R m s . List Price. . . . . . . . . . .

it is placed

$1 150

Model 3A Two-Button A small low,cost two-button microphone. Suitable &ere voice reproduct~on is the main requirement. Screen,protected diaphragm. Nickel plated. Frame diameter, 2%". Net weight, 5% ozs. Shipping weight 3/4 Ib. Model 3A. Two.Button Microphone. $650 Code: Rucim. List Price. . . . . . . . Model 2A. Slngle,Button Microphone, Same size and appearance as Model 3A. Code: Rucil. List Price

$600 . . . .

Model 5B Two-Button A ful1,size two,button mi* cropbone (diameter overall 33/4", thickness I&", weight 15% 02s.). Regular full,size precision adjustable buttons and special diaphragm assure exceptional quality of repro* duction. Ideal for low cost sound svsterns. Attractive

W modern -desien. finished in chromium plate. Screen*

protected diaphragm and "Quickway" Hooks. Shipping weight, 1% Ibs. Model 58. Code: Rucit. List Price. . $ I 000

Model 22B Two-Button Embodies refinements formerly found only in more costly instruments. Genuine cathode,sputtercd gold-spot diaphragm, carefully stretched and sclen- tifically damped. Chromium platcd. Nct weight, 1 Ib. Shipping weight, 1% Ibs. Mode1 228. Code: Rudip. List P r i ce . .

$2 5 . .

Model 27N Two-Button Professional type twoebutton microphone in every respect. Beautiful case,richly finished in chromium plate. Thickness 1%". Diameter overall 3V4". Net weight, 1% lhs. Shipping weight, 1)/4 Ibs. Model 27N. Code: Rubal. List Price

$375" . . . . . . . . . . . . . . . . . . . . . .

ode1 33N Two-Button The most highly developed two - button microphone. Used in Broadcast Stations because of its excellent frequency response, rug. gedness and dependability. Massive b r a s s f r a m e s . Dural diaphragm with gen* ulne cathode-sputteredgold spots. carefully stretched a n d a g e d . C h r o m i u m

plated. Thickness I f&". Diameter overall 4&". Net weight, 2?/2 lb. Shipping weight. 3 Ib. Model 33N. Code: Rulit. ~ i s t Price. . . . . . . . . . . . . . . . . . . . . . . . $50

Model 70H The Shure 70H sets :,he "stand, ard of pcrlormance for dm, phragm-type c r y s t a l micro, phones. Adopted by leading Sound:Equipment Manufacture ers. Curvilinear" diaphragm and 1:Bimorph" crystal, "Canti- lever actuated. Beautiful cast case, chromium~plated overall. Mounts direct on any Sbure Stand or in carbon ring. Cable

may be brought through stand tubing or outside as deslred. Convertible to a Hand Microohone with X40A Handle. Complete -71th removable

close4ittingn ring, 4 "Quickway" Hooks and shielded single-conductor rubber jacketed cable. Model Cable Length Code Shpg.Wt. List 70H 7 feet Rurab li/2 lbs. $22.50 70H.25FT 25 feet Rurov 2 Ibs. $24.30 70H.35FT 35 feet Rurir 21/1 Ibs. S25.W .- - - ~ 7-- .-- Model 70HP. "Push-Pull" Crystal Microphone. Same as 70H except cable is two,conductor shielded. Recommended for amplifiers with push, pull Input. Model Cable Length Code Shpg.Wt. List 70HP 7 feet Rulev I ?$ lbs. $22.50 7OHP-25FT 25 feet Rulex 2% lbs. $25.20 iOHP,35FT 35 feet Rulep ?+i lbs. $26.70 Model A40A (formerly 71BH). Handle. Re- mo\zable handle which fits iOH Crystal Micro, phone for hand use. Shipp:ng weight, 1/, lb. Code: Rurij. ~ 1 s t Price . . . . . . . . . . . . . . . . . . . . . $150

70H-79AC Demountable A complete unlt conssting of the 7UH Crystal Microphone with plug attachment, and Stand Receptacle. lnstantly ~nstalled! Instantly remov* able for safekeeping or use else- where. Cable Strain Relief included. Net weight, 1 lb. Sh~pp ing weight, 1% Ibs. No cable furnished. Model 7OH-79AC.

. . . Code: Ruram. List Price

Model 73A Lapel ~ P E ~ ~ ~ ~ H i g h l y efficient a n d

falthful in volce repro* duction, due to new Shure diaphragm des~gn and improvcd mcchan, ical systcm. Free from "background" noise and v~bratlon pick,up. Dlam-

eter only 2". Weight, less cord,. under 2 oz.! Baked rubber-black finish. Eouloocd wlth snecial sprlng lapcl cl:p and 25 fcet' d 'shielded &gle, cnnducror black mercerized cotton,covcred cord* age. Shipping weight, 3/4 lb. Model 73A. Code: Rulap. L!st Price. $25 . .

Model 11B Two-Button Hand Microphone

High quality two.button "close~talk~ ing" hand microphone. E s p e c ~ a l l ~ pit able wherever the level of

crowd" or background noise is high. Modern chrome,finished case: rubher,black handle. Suspension eye at top. Case diameter 3&". Length !. 9". Net weight, 1% lb. Shlpplng weight, 1% Ibs. Complete with 6 f t . color,coded tbree,conductor cord. Model l l B . Code: Rudil. List Price . . . . $15 Model 11BS. Same as 1 1 ~ : but with push,button switch, Code: Ruhas. List Price . . . . . . . . . . . . . . $ I 650 Model 1 IC . A "non close,talking" type two- button hand microphone. Code: Rubom. List Price. . . . . . . . . . . . . $1500 Model IICS. Same as Model 11C, but with "press-toqtalk" switch in handle. Code: ~ u b o t . List Price. . . . . . . . . . . $1 650 Model WlOA (formerly 124). Carbon Granules. Recommended for experivental work only. Packed in capsule or vial. Code: Rugun. List Price. . $1

Use our unique Microphone Repair Service Write for Data Sheet

Model 70s "Communications-Type" Specially deslgned for high,eficiency voice communication In Commercial and Amateur radiophone systems. Doubles side-band power on impor* tant intelligibility speech frequen, cies-clear, crlsp, powerful signals- cuts through noise and static. No transmitter changes-connect as you would an ordinary crystal micro*

phone. Finished in polished chromium plate and baked rubber black enamel. Complete with in* tegral Desk Mount and 7 feet of sh~elded two- conductor, rubber,jacketed cable. Net welght, 2 Ibs. Shipping weight, 2% lbs. Model 70s. Code: Rurak. Llst Price . . $2 5 Model 7OSP. Same as 705, but without Desk Mount . includrs 7 f t . Tuw,Conductor shielded cable and 4 Quickway" hooks. Code: Rural. ~ 1 s t Price. . . . . . . . . . . . . . . . . . . . $22.50 Model 7OSH-25FT. Sanlr as 70SP but with 25 fect of single,conductor shieldrd cable. Code: Rurap. List Price. . . . . . . . . . $24.30

Model 70D ~ ~ - -

Shure "70" Crystal M ~ c r o . phone Head, with the added utility of integral two,stage preamplifier. Invaluable tor overhead use. Mounts on standard Shure Stands. Height 111/8"; Complete with two type 76 tubes, suspension adapter, and 12 f t . of cable. Shipping weight, 634 Ibs. Model 70D. Code: Rurad. List Price. . . . . . . . . . . . . .

Consists of Shure "70" Crystal Microphone Head with ~ntegral twwstage preamplifier in attrace Ive, modernistic "camcra type"

case. Rubber-black finish. Height 7%". Complete with two type '76 tubes, suspension adapter, ind 12 f t . cable. Shippingweight, 3% Ibs. Model 7OC. Code: Rurac. List Price. . . . . . . . . . . . . .$TO

M o d e l 7 0 ~ ~ . Crystal Microphone. 70H with Flange Type mounting as used on model 70C. Code: Rurit. List P r ~ c e . . . . . . . . . . . . . . . $25

Model 70E(with Remote Preamplifier)

Model 70A Crystal Preamplifier

3V4 Ibs. Model 70A. Code: Ruraf. List Price.

$27 50

Model 41L Power Supplv - - - Operates from 1 IT volt, 70 to 60 cycle A .C . line and sup- plies all voltage requirements for all Shurc Preamphfiers and preamplifier model Micro* phones except 40 Series. Free from hum. Length 8", width 33/4", height 6%". Complete with '84 tube, lug for microphone cable, and A.C. cord and plug. Shipping weight, 5 9 Ibs. Model 41L. Code: Ruwis. List Price. . . . .$20 Model 41LZ. Same as 41L, but for 220v.. i0.60 cycles. Code: Ruwip. List P r ~ c e . . . . . . . . . .$2O

Data Sheets are Available on All Items

SHURE BROTHERS 215 W. HURON STREET

SHURE phones

der p a t

Develop

Shure I

C r are

ents

)men

>ate l

, s t a l Micro-

i c e n s e d un-

of The Brush t Company.

tts p e n d i n g .

QMURG- -Used in Thousands o f Sound ' 1 ' I Installations Throughout the W o r l d

Volume Controls for Crystal Microphones

Now, for the first time, speakers. soloists, and announcers can control the volume of a crystal microphone

. . . . . . . . . smoothly noiselessly with complete freedom from un, wanted "tone*control" effects! A new capacity attenuator, developed by Shure engineers, has made t h ~ s possible. The unit is small and compact (4" by 2" by 2") and mounts on any Shure Stand. Finlsh is standard rubber,blackwith chrome and black "Volume" escutcheon. Convencent ON,OFF switch. ~ n d e ,

,&\ pendent of volume control 1s pro, vlded. Cable mav be run throuah --.- .~-- MI stand tubing if de'sired. Shure Volume Controls are suppl~ed In two types: "Demountable." with

receptacle for 74B a n d 70H-79AC Microphones. and "Coupling" type threaded S/n"-27 for Model 7OH. Both types are suppl~ed with 21 or 10,foot lengths of single,conductor, rubber,jacketed shield- ed cable. For best results the cable should not be lengthened or shortened-use the full length sup- ~ l l e d wlth the unlt. Model V21A. Crystal Mlcrophone Volume Con, trol. "Demountable" Type w1t11 25.ioot cable. Sh~pp ing weight, 2% Ibs. Code: Rugos $1250 Llst Price . . . . . . . . . . . . . . . . . . . . Model V22A. Crystal M~cruphone Volume Con, trol. "Demountable" Type wtth 10,foot cable. Shlpping weight, 3% Ibs. Code: Rugat Llst P r ~ c e . . . . . . . . . . . .

$15 Model Vl lA . Crystal Microphone Volume Con, trol. "Coupling" Type wlth 25,foot cable. Code: Rugap. ~ 1 s t Price. . . . . . . . . . . . . . . . . . . . . . . $1250 Model V12A. Crystal Microphone Volume Con, trol. "Coupling" Type with 50,fuot cable. Code: Rugar. List Price . . . . . . . . . . . . . . . . . . $15 Model 7OH-V11A. Crystal Microphone with Volutne Control. Shure 70H mounted on Volunle Control with 25,foot cable. Shipping weight. 3% Ibs. Code: Rugow. List Price . . . . . . . . . . . . . . . . . . . . . . $35 Model 7OH-V12A. Crystal Microphone with Volume Control. Shure 70H mounted on Volume Control with 50,foot cable. Shlpping weight, 4'/. Ibs. Code: Rugoy. List P r i ce . . . . . . . . . . . . . . . . . . $3750

Model A80A Stand Switch New handy stand-mountlng on,off swltch which can be used with any type micro, phone. Small attractive cast,alumlnum caw, with rubber*black enamel finlsh. Standard 5/nr1,27 thread fits all Shure Stands. Overall height, 21/2". Sh ipp~ng weieht, 9'' Ib.

Model A80A. Stdud Sw.tch Code Rudam. $250 Llst P r ~ c e

Shure Model 71AS :rystal Hand Microphone

"Close,Talking" type. Handsome chrome-finished case with rubber- black handle. "Push,to,talk" switch in handle. 7 i t . of special shielded, slngle conductor cable. D~amete r of case 3rl;". Ovcrall length 9". Ship, plng we~gh t , 1% Ibs. Model 7lAS. Code: Rurec. $2650 Llst Price Model 71A. Crystal Hand Micro, phone. Samc as Model 71AS but without switch. Code: Rureb. List Price . . $2 5 .

Model 71BS. Crystal Hand Microphone. Nan, "Close-talking" type. "Push-to-talk" swltch In handle. 7 ft. of special cable. Code: Rurih. List Price . . . .

$2 550 Model 71B. Crystal Hand Microphone. Same as 71BS but without switch. Code: Rurig. List Price . . . . . . . . $24

Model 74B "Spheroid For the first tlme-a crystal ml, crophone comb~ntfg Hlgh Out. put Level, true Wide-Range" Reproduct~on and Non,Dlrec- tlonal Plckup! Sound reaches the small Curvilinear d~aphragm through a complete angle of 360 degrees wtth a frequency re- sponse from 40 to 10,000 cycles. Response 1s non,directional for sound approaching from any angle. Special Grafoll" BI*

morph Crystal. "canSileverM-actuated. lowers cable losses. Overall diameter 2%". Rubber,black fin* ~ s h with chromium circles. Furnished with new locking, shielded, nioi~ture,~roof 3-conductor plug, convertible receptacle for stand or suspension use, and cable strain relief. (No cable furnished-see ClOA and C20A listings.) Net we~gh t , 7% or . Shipping weight. 1 Ib. ~ o d e l 748. "Spheroid" Crystal Mlcrophone. Code: Rugor. List P r i ce . .

$3750 . . . . . . . . . . . . . . . . . . . . . . .

Model 75A Spherical Crystal Microphone

A new econom~cal Shure Non, Directional Crystal M~crophone wlth wide,range response! Acou, stlc streamlining and sclentlfic placement of the small curvi- llncar diaphragm Insure non, dlrestional resoonse for sound approaching fkom any angle. Crystal element 3s a gmulne "Blmorph" unit. "Cantilever" actuated. Only 2%" In d~ameter . Rlch rubher,hlask h u s h . Mounts on anv Shure Stand. Comnlete

with "side cahle outlet" and 25 fict of s h ~ d d e d single-conductor, rubber jacketed cable. Sh lpp~ng welgnt, 1!/2 Ibs. Model 75A. Spherical Crystal Microphone $32 Code: Rugus. List Price.

Model 60C Contact-Type Crvstal Micronhone (formerly 72B)

For sound and vibration pickup In stcd.es of m a chine nolse and vibration. reproduction of str1ng:d musical Instruments. Inter. c e ~ t i o n of sound throuah

walls In crlminal investigation work, and niany other applications. High efficiency obta~ned w ~ t h minimum acoustic pickup. I)/!" long, 1" w~de . 3/4" high. Mounting lugs provided. Chronlium plated. Complete with 7 feet of slngle~conductor. ruhber,iacketed shielded cable. Net weieht. rn- c lud in ico rd , 1 or. Shipping wcight. lo'/; or Model 60C. C o d e Rutac. Llst Prxce

Model 65A "Stethophone" A new ~mprored , non. acoustlc piezo.electric de- vice for p~ckup of heart and chest sounds for re, production or recording. High output lev,,l achieved t".ough new design prin, ciple. 3%" long. Net welght (not ~ n c l u d ~ n g the cable). onlv 71% 02. Con. trasting chrom-irlm and

black finish. Has "press*to,listen" push,button switch. Furnished complete with removable strap (useful when making long ohservat~ons) and 7 feet of shielded single-conductor cable. Shipplng weight J/4 Ih. Model 65A. "Stethophone." Code: Rutab. List Price. . . . . . . $350°

H IGH - F I D E L I T Y "Wave-Equalized" M o d e 1s

CRYSTAL and CONDENSER Types All Shure High*Fidelity Wave,Equalized Models l~sted below are flat wlthin only 2 db (for the crystal type) and 4 db (for the condenser type) from 10 to 10,000 cycles.

Model 77D Crystal Model 43D Condenser

High,Fidelity instruments with the Shure"Wave,Equalized" principle. May be suspended overhead or mounted on stand. High output level and standard 200,ohm out* put impedance. High-galn integral two-stage preamplifier. Complete wtth one '6C6 and one '76 tube. 25 ft. of shielded power cable and suspension adapter. Model 43D. Condenser Micro. phone. Code: Rulet. List Price. . . . . . . . . . . . $150 Model 77D. ,Crystal M~crophone. Code: Ruric. List Price . . . . . . . . . . . $ 1 50

Model 77E Crystal Model 43E Condenser

Model 43E. Condenser ~- - -

Code: Rujel. List Price Model 77E. Crystal M Code: Rurid. List Price

Shure "43.' Condenser or "77" Crystal Head mounted on S32C Mod* ermstic Desk Stand with a special high,gain two. stage "Wave,Equalized" preamplifier. Furnished y t h one '6C6 and one 76 tube, 7 ft. of low,

capacity cable with plug, and 25 i t . of shielded power cable.

Microphone. $ 1 65 . . . . . . . . icrophone. $ 1 65 . . . . . .

Model 77F Crystal Model 43F Condenser

Shure "43" Condenser or "77" Crystal Head m o u n t ~ d on S59A Floor Stand wlth high~gain two* stage Wave,Equallred" preamplifier in base. In- cludes one '6C6 and one '76 tube. and 25 f t . of sh~elded power cable. Model 43F. Condenser Mlcrophone.

. . . . . . Code: Rujem. List Price $190 Model 77F. Crystal Microphone. Code. Rurif. Llst Price $ 1 90

Model 77H Sound-Cell Crystal Microphone

Hlgh quality "wide range" crystal microphone. Consists of a genulne Brush Sound,Cell, specially mounted in a beautifully designed chromium plated case. Complete with "close-fitttng" ring and 7 ft. of shtelded' low,capacity cable Model 77H. Code: Rurib. List Price. . . . . . . . . . . . . .

Model 78HB Wide Range

Sound-Cell Type A small, demountable Wide- Range crystal microphone. Ex, cellent frequency response from 30 to 10,000 cycles. Contains a genuine Brush Sound*Cell- n o d i a p h r a g m . Chromium plated overall. Only 11/4" in diameter. Height 2". Corn, plete with integral plug, stand receptacle and strain relief. Cable not included. Model 7BHB. Code: Rulad. List Price $65

DATA SHEETS AVAILABLE ON ALL ITEMS

CHICAGO, U. S. A. "MICROPHONE HEADQUARTERS"

QGIIURE STANDS and UNIT ACCESSORIES Shure Stands, designed by microphone specialists familiar with every phase of microphone service, have become the accepted standard due t o their convenience, distinctive modern d e s ~ g n , rugged

construction and moderate cost. A complete range of types and styles solves every microphone mounting problem.

All stands (except Model 5308) are now listed without rings, which must be ordered separately. Unless otherwise specified, standard finish is a beautiful rubber black with chromium plated trim. Special finishes are available t o order a t additional cost. Standard thread on all stands and fittings is 5h"-27.

Floor Stands All Shure Floor stands have the exclusive "Auto- matic Friction Lock." You simply raise, lower or turn the microphone . . . no thumb screws or wing nuts . . . no rattling or sudden dropping! The proper degree of friction is adjusted by rotating the chromium collar a t the t o p of the barrel. Cables may b e run through tubings, or outside with a P50A Side Cab le outlet. Effective height adjust- ment 43" t o 68". Finish is standard rubber-black with chromium plated trim. Standard 5/8"-27 thread. Rings are not included, and must b e ordered separately.

Model S58A (Formerly 5SSC)

PaB Model S57B

(Formerly T3TC) Model S54B

(Formerly 63AC)

Model S56A (formerly 53RC). Floor Stand. "Round" Base. Base Diameter. 101/4". Net weight, 11 Ibs. Shipping weight, 12% Ibs. Code: Ruvos. List Price. . .

$1350 . . . Model S57B (formerly T3TC). Floor Stand. 3.leg "Tri,Perl" Base. Leg spread. 1T%". Net weight, 13% Ihs. Shipping welght, 17% Ibr. Code: Rugart. s 4 cis0 Liar Price . . . . . . . . . . . . . - I u- ~

Model S5RA (fornicrly 53SC). Floor Stand. Large, heavy "Modernistic" round base. Base diameter. 12y2". Net weight, 14% Ibs. Shipping weight. 16 Ibs. Code: Ruvim. List Price . . . . . . . . . . . . . . . $1750 Model S59A (formerly T3BC). Floor Stand. Mod, ernistic extra-heavy base, with spacc in base for preampl~fier or power supply. Effective height ad* justment 48" to 73". Base diameter, 17". Net weight. 29% Ibs. Shipping weight. 33% Ibs. Code: Rudal.

. . . . . . . . . . . List Price $3650 Model S54B (formerly 63AC). Floor Stand. A light weight Utility stand with three extensible sections. Modernistic base, 10%" in diameter, finished in black "Wrinkle" enamel. Height ad, juetment 251/:" to 62%". Net weight, 8% Ibs. Shipping weight. 8% Ibs. Code: Rucov. List Price . . . . . . . . $10

Stand Adapters Model A2OA (formerly T IYRCA). Adapter. Fur mounting microphones with %" Pipe Thread on any Shure Stand (7$"-27 thread). White nickel plated. Shipping weight % lb. Code: Rudap List $1.00 Model A21A (formerly TITCRY). Adapter. For

iounting microphones with L/s" Pipe Thread on any : hure Sta?d (%"-27 thread). Chromium plated. Code: Rujec. L i s t . . . . . . . . . . . . . $1 .DO

*ode1 AlQA. Flexible Coupling. Reduces pickup shock and vtbration. Installed between micro*

i. ine and any Shure Stand. Ca.le: Ruvor. List Price . . . . . . . . . . $1.00

Desk and Banquet Stands Model S30B (formerly 60N) . " S p e clal" Desk Stand. A small desk unit for Carbon Microphones com- plete with 5" ring. Modern bevel- cdged design, beautifully fin~shed in chromium plate overall. Cord en* trance in base. Complete wlth 8 rustproof springs. Base diameter, 4%". Height overall. 7". Net we~gh t 1 Ib. Sh ipp~ng weight. 1%

Ibs. Code: Runep. List P r ~ c e

$350 . . . . . . . . . . . . . . . . . . . .

Model S31A. Desk Mount . A short. non,adjustable, desk,type mount of proper height for operating table. Cord entrance in base. Rubber black finish overall. Base diameter 4%". Height, 63/4". Net weight, 1 Ib. Shipping weight, 1Y4 Ibs. Code: Rujab. List Price . . $3 . . . . . . .

Model S41A (formerly 61AC) . Banquet Stand. A lightwe~ght "utility" stand, finished In polished nickel plate. Non,adjustable. Cord entrance In base. Base diameter, 4%". Height 10". Nct weight, 1 Ib. Shipping weight, 1% Ibs. Code: Rujak. List Price.

$350 . . . . . . . . . . . .

Model S32C (formerly 5 IDC) Moderntstic Desk Stand. A ne\r adjustable desk stand with the ex, clusive Sh~j re "Automatic Friction Lock!" Bear~tlful modern design. with three chromium circles on base contrasting wlth the rich rubber, black finish. Base diameter, 6". Height, adji~btable frorn 7" to 11". N e t weight. 3% Ibs. Shipptnc weight, 3% Ibs. Code: Rudes. $650

. . . . . . List Price

Model S42C (formerly 52DC). Modernistic Ban, quet Stand. A companion unit to Model S32C listed above, useful where greater height is needed. Height range. 15'' to 22". Net weight. 3% Ihs. Shipping weight. 4% Ibs. Code: Rukof. $750

. . . . . . . . . List Price

Plugs and Receptacles Model PIOB. Plug. Three.conductor type. Threaded locking ring and watereproof strain,relief gasket cap. May be used to convert "non,demountable" microphones to demountable type. Chromlum plated. Shipping weight, '/4 Ib. Code: Rulab.

. . . . . . . . . . . . . List P r i ce . . $1.00

Model P20B. Receptacle. Three-con, ductor type, complete with water,proof strain,relief gasket cap. Fits PIOB Plug. Chromium plated. Shipping weight, '/4 Ib. Code: Rulam. List Price . . . .$1.00

Model P41A. Receptacle. ThrecConductor type. Mounts in f t " hole on chassis or panel. Fits PlCB Plug. Nickel plated. Shlpplng weight, L/4 Ib. Code:

. . . . . . . . . . . . . . . . Rutop. List Price .TOc

Model 79P. Plug. Two,Conductor Telephone Type. Fullv shielded. Chromium plated. Shipping a e ~ g h t .

. . . . . . . % lb. Code: Rurik. List Prlce. $2.25

Model 79R. Receptacle. Fully.sbielded cable,con, nector type receptacle for 79P Plug. Chromium plated. Shipping weight, \/4 lb . Code: Ruril.

. . . . . . . . . . . . . . . List Price $2.50

Cable Fittings Model P40C. Stand Receptacle. Lock~ne threr,conductor, fully shlelded type. Mounts on any Shure Stand. Useful, for converting "non,demountable" micro,

phones to "demountable" type. A P51A Strain Rellef (See description below) is in* cluded. Standard rubber,black finish. Sh lpp~ng weight, '/4 Ib. Code: Rulir.

. . . . . . . . . List Prlrc $1.25 k Model P51A. Strain Relief. Used with Stand Receptacle when cable 1s run inslde tubing. Prevents terminal strain. Cadmlum plated. Codc: Rupat. List Price 25c

Model P50A. Side Cable Outlet. Brings cable outside stand. Self strain-relief fcature. Rubber,black finish. Code:

. . . . . Rupak. List Price . 7 5 ~

Model P52A. Cable Guide. Holds cable neatly be- side stand. Attached to tubing near base. Rubber, black finish. For S54B (formerly 63AC) Floor Stand. Shipping weight Y4 Ib. Code: R~ijov. List Price.$1.00

Model P53A. Cable Guide. For S56A (73RC). S57B (53TC). S58A (53SC) and S59A (F3RC). Floor Stands Code:

. . . . . . . Rujor. List Prlce .$1.00

Cable Good cable is essential for proper operation of Rings and Springs crystal m~crophones.

Model R2OB (formerly TO). Stand, ard Ring. A sturdy ful1,size. 6" ring for carbon microp,bones. Attractive beveleedge design. Quickway" Hooks (Pat. Pend.) for q u ~ c k mounting. Chromium plated. Complete with 8 rustproof springs. Shipping weight. 1 Ib. Code: Ruket. List Price $2.50

Shure Crystal Cables a i e specially designed for low capacity and high ~nsulation resistance, manu- factured t o rigid standards and carefully tested and ~nspected. Recent developments have made possible a cable with still lower capactty than was previously obtainable. Available in bulk any length, or in special con- venient trimmed lkngths a t no extra charge.

Model ClOB (formerlv BIL). Crystal Microphone

~ o d ~ l R~~~ (formerly 60R), Ring, A light T,, Cable. ~ ~ n ~ l ~ ~ c o n d u c t o r type, shielded with overall

for small carbon mi crop hones^ Chromium ruhher jacket. Diameter, 7 / 3 2 " , Weight, 3 Ihs. per

plated, shipping weight, % Ib, Complete with I00 feet. Standard trimmed lengths are 7 , 20, 25, 35

rust.proof springs. code: ~ ~ j ~ ~ . List price $2.25 m"dn feet. Code: Rurim. L ~ s t Price, per foot . l 0 c

Model C20B (formerly 80L). Crystal Microphone Model RIoB. Ring. Same as R ~ O A but bright Cable. Two,Conductor type, shielded, with overall ntckel plated. Code: R u j ~ m . List Price . $2.00 r t~bher jacket. Diameter. l/4". Weight. 4 lba. per

Inn feet. Standard trimmed lengths are 7, 20. 25. 35 Model A30A (formerly 54M). Springs. Medium and T O feet. Code: Rubat. List Price, per foot . . l 5 c

k::"',: ~ ~ $ , 2 0 ~ i ~ i " p ~ ; e e R ~ ~ t ~ p ~ o o f : , 'ode:, yod Model C l l A (formerly 84L). Crystal Microphone Cable. Llght, flexible, single*conductor type, shielded,

A ~ ~ A (formerly 54s). Springs, Short with black cotton braid. Used on 73A Lapel Micro* phones. Diameter, &'I. Weight! 1% Ibs. per 100 k:':: ~ ' , ~ ' O L ~ ~ p " ; i c ~ u ~ t ~ p ~ o o f ~ ,Code: R$& feet. Standard trimmed length 1s 25 feet. Code.

. . . . . . . . . . . . . . . . Rwiv. List Price, per foot. .10c

I Model A35A (formerly TOA). Sus- Model C50B. Power Cable. Five conductors and pension Adapter. Chromium plated. shield. Heater leads twisted. Overall cotton bmid. ?'8''-27 thread. Shipping weight. Available in Zi,foot lengths. Diameter, &". Weight, Ib. Code: Rudem. Llst Price $1.50 6 Ibs. per 100 feet. Code: Rubam.

. . . . . . . . . . . . . . List Price, per foot. . . .30c

DATA SHEETS AVAILABLE ON ALL ITEMS

SHURE BROTHERS "Microphone Headquartersw 91 5 W. Huron St., Chicago, U. S. A.