? 4 dedicated microphone inputs (xlr connectors) ? 1 selectable mic/tel input ? 1 selectable mic/aux input ? 1 dedicated aux input ? 4-ohm direct coupled output ? 8-ohm, 25v, 25vct, and 70v transformer- coupled outputs ? 2 rack spaces ? dual-function, 1 0-band graphic equalizer (acoustic eq/feedback control) ? true loudness contour function ? aphex? aural exciter for improved intelligibility ? switchable phantom power supply ? variable aux input muting ? remote master volume control capability ? input muting via contact on all inputs ? voice activated aux muting on tel input ? aux fade back after tel page ? pre-amp out/power amp in connections ? booster amp output connection ? tape output connection ? balanced line driver output (using wmt 1 a accessory) ? low-cut filter for mic channels ? tamper-resistant front cover available (gstrc) ? rack mounting kit available (gsrpk) ? remote volume control available (gsrvc) the gold seal series amplifiers are designed to meet the rigorous requirements of today?s sophisticated sound systems.they combine unique and useable features with ultra high reliability and professional performance. the amplifiers are available in 35, 60, 1 00 and 1 50 watt models, each with exactly the same features to provide power and performance no matter how large or small the application. the bogen gold seal series amplifiers are an extraordinary addition to bogen's line of quality audio amplifiers. designed with the sound contractor in mind, they provide unparalleled flexibility and versatility, without the need for add-on modules. in addition to its extensive flexibility, the gold seal series amplifiers offer a combination of features not found in other commercial amplifiers. features description gold seal series public address amplifiers models gs35, gs60, gs 1 00 & gs 1 50 specifications subject to change without notice. ? 1 998 bogen communications, inc. part no. 54-7874-02c printed in u.s.a. 0303 aphex aural exciter is a trademark of aphex systems, ltd.
power rating (rms): gs35 - 35 watts; gs60 - 60 watts; gs 1 00 - 1 00 watts; gs 1 50 - 1 50 watts frequency response: transformer output ? 65 hz to 20 khz, +0/-2 db @ -2 db direct output ? 20 hz to 20 khz, +0/- 1 db @ rated power distortion: transformer output ? 0.5% (max.), 0.3% (typ.), 65 hz to 20 khz @ -2 db direct output ? 0.5% (max.), 0.3% (typ.), 20 hz to 20 khz signal-to-noise ratio: fundamental: -94 db or better; aux 1 & 2: -70 db; tel: -70 db or better @ 600 ohms mic 1 - 6: -60 db or better @ 200 ohms inputs/outputs: mic - 6 lo-z balanced via 4 xlr connectors and 2 screw terminals sensitivity: 0.35 mv (200 ohms) aux - 2 hi-z rca jacks. sensitivity: 0.085v ( 1 0k ohms) telephone - s crew terminals. sensitivity: 0.07v (600 ohms) output to power amp - 5v @ rated output via rca jack wmt 1 a output - 25v @ rated output via rca jack tape output - 687 mv @ rated output via rca jack output impedance: all models: balanced or unbalanced 8-ohms, 25v, 25vct, 70v, 4-ohm direct output regulation: better than 2 db from no load to full load variable mute range : 0 db to -30 db (aux 1 & 2) alc : distortion - less than 0.5%; compression - 25 db vox threshold: input 20 mv (vox control max. cw position) mic precedence: via terminal strip. -60 db: mic 1 , 2, 3, 5/tel, 6/aux, aux 2 power in/pre out: in 1 v/out 1 v via rca jacks loudness contour: +8 db @ 1 00 hz, +4 db @ 1 0 khz (aux 1 & 2 control at 1 /4 cw position) aphex aural exciter: type a9 overload protection: electronic with automatic reset thermal protection: 1 05c (220f) thermistor attached to heat sink line fusing: resettable circuit breaker dimensions: 1 6- 1 / 2 " w x 3- 1 / 2 " h x 1 2" d all models shipping weight: gs3 5 - 1 9 lb.; gs60 - 24 lb.; gs 1 00 - 28 lb.; gs 1 50 - 3 1 lb. technical specifications architect & engineer specifications the amplifier shall be a model _____, rated at ____ watts rms (insert gs35/35 watts, gs60/60 watts, gs 1 00/ 1 00 watts or gs 1 50/ 1 50 watts). the amplifier shall accommodate up to 6 lo-z balanced microphones, 2 hi-z auxiliary sources and a telephone pag- ing input (mic 5 shall be switch-selected for mic or tele- phone line; mic 6 switch-selected for microphone or aux 1 ). mics 1 through 4 shall use xlr-type connectors; aux input shall be via rca phono jacks and all other connectors shall use screw terminals. phantom power shall be supplied for use with condenser microphones. microphone precedence connections shall be included for mic 1 , 2, 3, 5/tel, 6/aux 1 and aux 2. the amplifier shall provide a frequency response from 20 hz to 20 khz +0/- 1 db at rated power. distortion shall be 0.3% typically, from 20 hz to 20 khz direct at rated power, and from 65 hz to 20 khz transformer @ -2 db. the amplifier shall include an aphex aural exciter circuit, variable loudness contour control, and dual function equaliz- er. the equalizer shall be switch selectable for feedback con- trol or acoustic shaping and shall include 1 0 center-detent slide controls providing 1 2 db of boost or cut from 62.5 hz to 1 6 khz in acoustic mode and from 1 25 hz to 8 khz in feedback control mode. the amplifier shall include automatic level control to provide consistent output regardless of who is paging, automatic muting complete with a vox circuit, and a variable mute level. provisions shall also be included for remote volume control, using an accessory control unit (gsrvc). outputs shall be provided for 4- and 8-ohm speakers and for 25v, 25vct, and 70v distributed systems. additional outputs shall be provided to feed a booster amp and tape recorder. a dedicated output shall permit feeding a 600-ohm tele- phone line using an accessory transformer (model wmt 1 a). a preamp out/power amp in circuit shall be pro- vided to insert signal processing equipment. the amplifier shall be rack mountable using an accessory rack panel kit (gsrpk). it shall be ul and csa listed and shall be backed by a 3-year warranty. 50 spring street, ramsey, new jersey 07446, u.s.a. 20 1 -934-8500 fax: 20 1 -934-9832 web site: www.bogen.com * architect and engineer specifications are available on cd and online in a word document to assist you with preparing your bids.
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