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1、Gold Seal Ser ies Amplifier GS35, GS60, GS100, GS150, Exclusion of Cer tain Damages . . . . . . . . . . . . . . . . . . . . . 17 RadioFans.CN 收音机爱 好者资料库 4 I ntr oduction The Bogen Gol d Seal Seri es ampl i fi ers were desi gned wi th the sound contractor i n mi nd. They provi de unparal l el ed fl e
2、xi bi l i ty and versati l i ty, wi thout the need for add- on modul es. Unl i ke other typi cal ampl i fi er l i nes, the professi onal sound contractor need not purchase a hi gher- powered ampl i fi er just to get more extensi ve features or fl exi bi l i ty. Each of the Gol d Seal Seri es ampl i
3、fi er model s i ncorporate the exact same set of features from 35 watts up to 250 watt model s. In addi ti on to i ts extensi ve i nput fl exi bi l i ty, the Gol d Seal Seri es ampl i fi ers offer a combi nati on of features not found i n any other commerci al ampl i fi er. Featur es Packing Content
4、s 1 - Gol d Seal Seri es Ampl i fi er 1 - User Manual Accessor ies The fol l owi ng accessori es are avai l abl e for your Gol d Seal Seri es Ampl i fi er at addi ti onal cost: Model GSTRC A pl exi gl ass cover to protect control setti ngs Model GSRPK Rack mounti ng i nstal l ati on ki t Model GSRVC
5、 From di stances up to 1000 feet away from the ampl i fi er, thi s remote vol ume control adjusts the vol ume of the ampl i fi er 5 4 Dedi cated mi crophone i nputs ( XLR connectors) 1 Sel ectabl e MIC/ TEL i nput 1 Sel ectabl e MIC/ AUX i nput 1 Dedi cated AUX i nput 4- Ohm di rect output 8- Ohm, 2
6、5V, 25VCT, and 70V transformer- coupl ed outputs 35W, 60W, 100W, 150W and 250W model s Rack mountabl e 2RU package for al l model s Dual - functi on 10- band graphi c equal i zer ( Acousti c EQ/ Feedback Control ) True l oudness contour functi on Audi o Enhancement feature for i mproved i ntel l i g
7、i bi l i ty Swi tchabl e phantom power ( 15V DC) Vari abl e AUX i nput muti ng Remote master vol ume control capabi l i ty Input muti ng vi a contact on al l i nputs Voi ce- acti vated AUX muti ng on TEL i nput Automati c l evel control on TEL i nput AUX fade back after TEL page Preamp out/ Power am
8、p i n connecti ons Booster amp output connecti on Tape output connecti on Bal anced l i ne dri ver output ( usi ng WMT1A accessory) Lo- cut fi l ter for MIC channel s 3- speed fan cool i ng ( GS250 onl y) Avai l abl e tamper- resi stant front cover ( GSTRC) Avai l abl e rack mounti ng ki t ( GSRPK)
9、Avai l abl e remote vol ume control ( GSRVC) Panel Descr iptions Fr ont Panel (All Models) 6 1256910 8743 1. MI C 1 to 4 -Indi vi dual l evel control s for dedi cated mi crophone i nputs. 2. MI C 5/ TEL -Indi vi dual l evel control for MIC 5 or TEL i nput dependi ng on i nput mode sel ected. 3. MI C
10、 6/ AUX 1 -Indi vi dual l evel control for MIC 6 or AUX 1 i nput dependi ng on i nput mode sel ected. 4. AUX 2 -Indi vi dual l evel control for dedi cated AUX 2 i nput. 5. Contour -Enabl es or di sabl es l oudness equal i zati on. Affects onl y AUX 2 and MIC 6/ AUX 1 i f set i n AUX mode. 6. Dual Mo
11、de Equalizer -10 band graphi c EQ wi th dual center frequency abi l i ty. 7. Dual Mode Equalizer Selector Switch -Sel ects EQ frequency bands or EQ defeat ( OUT) . 8. MASTER -Master output l evel control . 9. AUDI OENHANCEMENT -Enabl es or di sabl es the Audi o Enhancement effect. Affects al l i npu
12、t si gnal s. 10.POWER -AC Power swi tch. Panel Descr iptions Rear Panel (GS35, GS60, GS100 #21 and #22) MIC 1 through 4 uti l i ze femal e XLR- type mi crophone connec- tors. A sl i de swi tch l ocated above each XLR connector i s used to suppl y phantom power for condenser mi crophones. MI C 5/ TEL
13、 (Rear Panel; #8 and #9) The MIC 5/ TEL i nput i s desi gned to accept i nput from a mi cro- phone or from a tel ephone l i ne. A sl i de swi tch i s provi ded to sel ect MIC 5 or TEL i nput. To connect a mi crophone, pl ace the MIC 5/ TEL swi tch i n the MIC posi ti on. Use two conductor shi el ded
14、 cabl e and connect the cabl e shi el d to the center GND termi nal . To use the TEL i nput, pl ace the MIC 5/ TEL swi tch i n the TEL posi ti on and connect the 600- ohm tel ephone pagi ng source ( dry si gnal onl y - no DC vol tage) to the MIC 5/ TEL screw termi nal s. See page 10 for Phantom Powe
15、r for MIC 5. MI C 6/ AUX 1 (Rear Panel; #6, #7, #20) The MIC 6/ AUX 1 i nput i s desi gned to accept i nput from a mi crophone usi ng termi nal stri p connecti ons or from a hi gh l evel auxi l i ary source such as a tuner or CD pl ayer usi ng the AUX 1 RCAjack. A sl i de swi tch i s used to sel ect
16、 i nput type. Connect a mi crophone to the screw termi nal s l abel ed MIC 6 ( works onl y when AUX 1/ MIC 6 swi tch i s i n the MIC 6 posi - ti on) . Use two conductor shi el ded cabl e and connect the cabl e shi el d to the center GNDtermi nal . Connect an auxi l i ary i nput source to the AUX 1 R
17、CA jack ( onl y works when the AUX 1/ MIC 6 swi tch i s i n the AUX1posi ti on. ) See page 10 for Phantom Power for MIC 6. AUX 2 (Rear Panel; #19) The AUX 2 i nput uses an RCApl ug and accepts i nput from a dedi cated AUX source. 1 GND 2 + 3 9 I nput Connections (GS35/60/100/150 shown) (GS35/60/100/
18、150 shown) (GS35/60/100/150 shown) 10 WARNI NG Removal of the amplifier cover exposes inter nal components and pr esents an electr ical shock hazar d. For this r eason, do not per for m any functions r equir ing r emoval of the cover of the amplifier unless you ar e qualified to do so. Always discon
19、nect ACpower fr om the unit befor e attempting to r emove the cover . Phantom Power for MI C 5 #10) If remote vol ume control i s desi red, connect the Bogen acces- sory GSRVC Remote Vol ume Control to the screw termi nal s marked REMOTE MSTR. Wi re l ength can be up to 1000 feet usi ng 22- gauge wi
20、 re. Connecti ons are not pol ari ty sensi ti ve. Pr ecedence Connections (Rear Panel; #1 1) Precedence connecti ons al l ow any combi nati on of i nputs to be compl etel y muted wi th a contact cl osure. Cl osi ng a contact across any of the precedence termi nal s and the PREC COM 1 termi nal wi l
21、l mute that i nput. A customer- suppl i ed normal l y- open SPST swi tch, push- to- tal k swi tch, mi crophone swi tch, rel ay or tel ephone system contact can be used to provi de the cl osure. Note: Acti vati ng the precedence control for AUX i nputs compl etel y mutes the i nput si gnal . The VARM
22、UTEcontrol has no effect when muti ng i nputs usi ng precedence control . Phantom Power Jumper Location for MIC 5 and MIC 6 Front MIC 5 and MIC 6 i nput termi nal stri p I nput Connections Output Ter minal Str ip (Rear Panel; #1) Speaker systems are connected di rectl y to the speaker output termi n
23、al s on the rear panel . Connect one speaker l ead to the COM termi nal and the other to the termi nal correspondi ng to the i mped- ance of the speaker system. Sel ect onl y one of the output types. For ground- referenced output operati on ( unbal anced systems) , l eave the shorti ng cl i p betwee
24、n COM and GND. For speci al appl i - cati ons that requi re fl oati ng outputs ( bal anced systems) , remove the shorti ng cl i p between COM and GND. Note:If GND/ COM shorti ng cl i p i s removed, the WMT1A and “TO PWR AMP” outputs wi l l not operate. To use the DIRECTOUT ( 4- ohm) output, remove t
25、he shorti ng cl i p across the LINK termi nal s and connect l ow i mpedance speaker l oad between the 4 termi nal and the GND termi nal . The GND/ COM shorti ng cl i p shoul d remai n i n pl ace. WMT1A (Rear Panel; #2) Thi s RCA output jack, when used wi th a Bogen WMT1A Li ne- Matchi ng Transformer
26、 accessory provi des a 600- ohm output to feed a remote ampl i fi er or a tel ephone l i ne. Refer to the i nstructi ons pro- vi ded wi th the WMT1A accessory for connecti on i nformati on. Note:Shorti ng cl i p between GND/ COM on the speaker output termi nal s stri p must be i nstal l ed to use th
27、i s feature. To Power Amp (Rear Panel; #3) The Gol d Seal Seri es ampl i fi er may be used to dri ve an external power ampl i fi er ( can onl y be used wi th unbal anced hi gh- i mpedance i nputs) . Note: Shorti ng cl i p between GND/ COM on the speaker output termi nal stri p must be i nstal l ed t
28、o use thi s feature. Pr e- Out/ Power I n Jacks (Rear Panel; #12, #13, #14) These jacks permi t the i nserti on of si gnal processi ng equi pment i nto the si gnal path between the preamp output and the power amp i nput. The LINK swi tch shoul d be i n the IN posi ti on for normal operati on. When u
29、si ng external si gnal processi ng equi pment, pl ace the swi tch i n the OUT posi ti on and connect PRE OUT to the si gnal processi ng equi pments i nput. Connect the POWERIN to the si gnal processi ng equi pments output. Note:Ensure that the LINK swi tch i s i n the IN posi ti on when NOT usi ng e
30、xternal si gnal processi ng equi pment, otherwi se there wi l l be no output from the ampl i fi er. Tape Out (Rear Panel; #15) The TAPE OUT jack provi des a l i ne- l evel output to feed a recordi ng devi ce. The output i s not effected by the Master vol ume control or EQ, however, the output i s af
31、fected by the mi crophone i nputs Lo- Cut fi l ter. Shor ting Clip- Leave for unbal anced output l i nes. Remove for bal anced output l i nes. 4 Output LINK shorti ng cl i p 11 Output Connections Power Switch (Fr ont Panel; #10) The POWER swi tch appl i es power to the uni t. The swi tch wi l l i l
32、l umi nate when power i s on. I ndividual Volume Contr ols (Fr ont Panel; #1) Each i nput i s control l ed by an i ndi vi dual vol ume control . Master Volume Contr ol (Fr ont Panel; #8) The overal l vol ume i s control l ed by the MASTER vol ume control . Lo- Cut Filter (Rear Panel; #5) The Lo- Cut
33、 fi l ter on the rear panel provi des 3 dB attenuati on 65Hz on the mi crophone i nputs. Thi s hel ps reduce mi c breath pop, wi nd noi se, and rumbl e. Contour Switch (Fr ont Panel; #5) Thi s swi tch enabl es or bypasses the vari abl e l oudness contour. Thi s feature onl y effects the AUX i nputs.
34、 Thi s feature i s desi gned to i mprove ri chness of sound by restori ng the hi gh and l ow frequenci es that the ear i s i nsensi - ti ve to at l ow vol ume l evel s. The effect di mi ni shes as vol ume i s i ncreased. Audio Enhancement (Fr ont Panel; #9 / Rear Panel; #16) The front panel Audi o E
35、nhancement swi tch enabl es or bypasses the Audi o Enhancement feature. Thi s feature effects al l i nputs when enabl ed. By regenerati ng the upper harmoni cs, thi s audi o enhancement system recreates the presence and real i sm that i s l ost i n the audi o ampl i fi cati on process. Thi s resul t
36、s i n i ncreased presence and cl ari ty, i ncreased i ntel l i gi bi l i ty, greater percei ved l oudness ( wi thout usi ng extra power) , and reduced l i stener fati gue. The rear panel AE adjustment control s the mi x of the Audi o Enhancement effect wi th the audi o si gnal . Countercl ockwi se r
37、otati on of the control mi ni mi zes the Audi o Enhancement effect. Cl ockwi se rotati on of the control maxi mi zes the Audi o Enhancement effect. 12 Oper ation Dual- Function Acoustic Equalizer (Fr ont Panel; #6) The uni que dual - functi on equal i zer can be used for acousti c shapi ng or for fe
38、edback control . Note:When the swi tch i s pl aced i n the OUT posi ti on, the equal i zer i s bypassed for a fl at response. Acoustic Shaping Mode When the swi tch i s set i n the ACOUSTIC EQ posi ti on, ful l range equal i zati on ( 10 bands on 1 octave centers starti ng at 62. 5 Hz) i s provi ded
39、 wi th a boost/ cut of 12 dB. In thi s mode, the equal i zer can be used to compensate for room acousti cs, or to sati sfy the l i steni ng preference of the user. Feedback Contr ol Mode When the swi tch i s pl aced i n the FEEDBACK CONTROL posi ti on, the equal i zer can be used to reduce feedback
40、and i ncrease the effecti ve gai n of the system. In feedback control mode, the equal i zer provi des i ncreased control of frequenci es between 125 Hz and 8 kHz. The 10 bands are l ocated on 2/ 3 octave centers wi th 12 dB cut/ boost on each band. 13 Oper ation 14 Oper ation Telephone Paging Contr
41、ols #17) The TEL i nput features an automati c l evel control ( ALC) whi ch compensates for di fferent voi ce l evel s and speaki ng styl es of the i ndi vi dual s usi ng the system. The ampl i fi er i s shi pped wi th thi s control i n the OFF ( max. countercl ockwi se) posi ti on. To adjust the AL
42、C: 1. Rotate the MIC 5/ TEL and MASTER control s to the hi ghest l evel l i kel y to be used. 2. Speak softl y and di sti nctl y i nto the tel ephone mouthpi ece whi l e adjusti ng the MIC 5/ TEL vol ume control to the desi red output l evel . 3.Speak i n a l oud voi ce di rectl y i nto the tel epho
43、ne mouthpi ece whi l e rotati ng the ALC control cl ockwi se to the poi nt where the output of the ampl i fi er i s reduced to the same l evel as that obtai ned i n Step 2. 4. The MIC 5/ TEL and MASTER control s can be used to vary the overal l vol ume wi thout upsetti ng the ALC adjustment. VOX (Re
44、ar Panel; #18) The tel ephone page i nput features voi ce- acti vated AUX muti ng. Thi s feature al ways mutes AUX 2 and onl y mutes AUX 1 when the AUX1/ MIC 6 swi tch i s set i n that posi ti on. The VOX control shoul d be set so that onl y the desi red si gnal i s above the threshol d l evel , whi
45、 l e unwanted noi se i s bel ow i t. To adjust the sensitivity of the VOX cir cuit: 1. Rotate the VOX control ful l y cl ockwi se. Whi l e maki ng a publ i c address announcement and tal ki ng at a l ow l evel , the sound shoul d not be choppy or mi ssi ng parts of words. If i t i s choppy or i ntel
46、 l i gi bi l i ty i s poor, rotate control countercl ockwi se to the poi nt where the sound i s cl ear and cri sp ( but not to the maxi mum countercl ockwi se posi ti on) . 2. If the background musi c shuts down when no page i s i n progress, rotate the control cl ock- wi se unti l the musi c wi l l
47、 not shut down when no page i s i n progress. Var iable Mute (Rear Panel; #4) The VAR MUTE control mutes the AUX i nput( s) onl y duri ng tel ephone pages. The control al l ows the user to sel ect from 4 l evel s of muti ng: 1 = - 60 dB, 2 = - 21 dB, 3 = - 10 dB, 4 = 0 dB. Tr oubleshooting Amplifier
48、 will not tur n ON.On the GS35, GS60, GS100 and GS150, depress the ci rcui t breaker reset button. On the GS250, check the fuse. Repl ace fuse onl y wi th same type and rati ng. No output on 70V, 25 VCT, or 25V.Check that the LINK swi tch on the rear panel i s i n the IN posi ti on or external si gn
49、al - processi ng equi pment, i f used, i s functi oni ng and connected properl y. Make sure that the speaker output LINK shorti ng cl i p i s i n pl ace. No telephone output. Make sure that the MIC 5/ TEL swi tch i s i n the TEL posi ti on. Make sure the VOX control i s set properl y When connecti ng the tel ephone Ti p GS60: 60 watts; GS100: 100 watts; GS150: 150 watts; GS250: 250 watts Fr equency Response:Tr ansfor mer Out put : 65 Hz to 20 kHz, +0/ - 2 dB - 2 dB Dir ect Out put : 20 Hz to 20 kHz, +0/ - 1
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