Bogen GS-60 manual

Gold Seal Series Amplifiers Models GS-35, GS-60, GS-100, GS-150, GS-250 • 4 dedicated microphone inputs (XLR connectors) • 1 selectable Mic/T el input • 1 selectable Mic/Aux input • 1 dedicated Aux input • 4-ohm direct coupled output • 8-ohm, 25V , 25VCT , and 70V transformer- coupled outputs • 35W , 60W , 100W , 150W and 250W version[...]

© 1997 Bogen Communications, Inc. 50 Spring St., Ramsey , NJ 07446 Publication No. 54-5941-04 9903 Printed in Korea All rights are reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Bogen Communications Inc. Notice: The information contained in this document is [...]

Contents Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Packing List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

Important Safety Instructions 1. Read and understand all instructions. 2. Follo w all warnings and instructions marked on the pr oduct. 3. Unplug the pr oduct from the wall outlet bef ore cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 4. Do not use this product near water . 5. Do not place this pr oduct on [...]

Features Front Panel (All Models) 1 2 5 6 9 10 8 7 4 3 1. MIC 1 to 4 - Individual level controls for dedicated microphone inputs. 2. MIC 5/TEL - Individual level control for Mic or T el input depending on input mode selected. 3. MIC 6/AUX 1 - Individual level control for Mic or Aux 1 input depending on input mode selected. 4. AUX 2 - Individual lev[...]

Features Rear Panel (GS-35, GS-60, GS-100 & GS-150) 1. Amplifier Output - T erminal strip containing all the Gold Seal output taps. 2. VOX - V ariable control for adjusting TEL input signal level trigger point for automatic muting of Aux input (works only in the TEL input mode). 3. REMOTE MSTR - Screw terminal pair for connection of remote mast[...]

Features Rear Panel (GS-250) 16. MIC 6/AUX 1 - Switch selects either MIC 6 or AUX 1 connections as input. 17. AUX 1 - RCA unbalanced input for Aux 1 input signal (works only when AUX 1/MIC 6 switch is set to AUX 1). 18. MIC 6 - Screw terminals for balanced microphone (active only when AUX 1/MIC 6 switch is set to MIC 6). 19. MIC 5/TEL - Dual functi[...]

Installation Note Keep input leads away from the output leads and AC power cables. Unless the driving source pro- vides a low-impedance output, keep the input lead under ten feet in length. Make all connections to the unit with the POWER switch in the OFF posi- tion. MIC 1- 4 MIC 1 through 4 utilize female XLR-type microphone connectors. A slide sw[...]

7 Input Connections Remote V olume Control If remote volume control is desired, connect the Bogen accessory GS-RVC remote volume control to the screw terminals marked REMOTE MSTR. Wire length can be up to 1000 feet using 22 gauge wire. Precedence Connections Precedence connections allow any combination of inputs to be completely muted with a contac[...]

8 Output T erminal Strip Speaker systems are connected directly to the speak- er output terminals on the rear panel. Connect one speaker lead to the COM terminal and the other to the terminal corresponding to the impedance of the speak- er system. Select only one of the output types. For ground-referenced output operation (unbalanced systems), leav[...]

Operation Power Switch The POWER switch applies power to the unit. The switch will illuminate when power is on. Individual V olume Controls Each input is controlled by an individual volume con- trol. The overall volume is controlled by the MASTER control. Lo-Cut Filter The Lo-Cut filter on the rear panel provides 3dB attenuation @ 65Hz on the micro[...]

Operation T elephone Paging Control The MIC 5/T el volume control on the front panel con- trols the volume of the telephone paging input when the control is set to the T el mode (See page 6 for infor- mation on setting the T el input mode). The T el input mode uses voice activated triggering for muting the AUX inputs and automatic level control for[...]

T roubleshooting Amplifier will not turn ON. On the GS-35, GS-60, GS-100 and GS-150, depress the circuit breaker . On the GS-250, check the fuse. Replace fuse only with same type and rating. No output on 70V , 25CT , or 25V . Check that the LINK switch on the rear panel is in the IN position or external signal-processing equipment, if used, is func[...]

Bogen Service Caution There are no user-serviceable parts within the amplifier . Have all internal servicing performed by a qualified technician. The warranty may become void if repairs are performed by other than the Bogen Factory Service Department. The Bogen Gold Seal Series Amplifier is covered by a 3-year warranty and overnight installation-si[...]

T echnical Specifications Power Rating (RMS): GS-35 — 35 watts GS-60 — 60 watts GS-100 — 100 watts GS-150 — 150 watts GS-250 — 250 watts Frequency Response: T ransformer Output — 65Hz to 20KHz +0/-2dB @ -2dB Direct — 20Hz to 20KHz, +0/-1dB @ rated power Distortion: Direct — 0.5% (max.), 0.3% (typ.), 20Hz to 20KHz T ransformer — 0.[...]

50 Spring Street, Ramsey , NJ 07446 T el. 201-934-8500 Fax: 201-934-9832 www .bogen.com[...]