Instruction/ maintenance manual of the product GS-250 Bogen
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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 dedicate.
© 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.
Contents Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
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.
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).
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).
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.
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.
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.
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.
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).
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.
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.
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.
50 Spring Street, Ramsey , NJ 07446 T el. 201-934-8500 Fax: 201-934-9832 www .bogen.com.
An important point after buying a device Bogen GS-250 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bogen GS-250 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bogen GS-250 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bogen GS-250 you will learn all the available features of the product, as well as information on its operation. The information that you get Bogen GS-250 will certainly help you make a decision on the purchase.
If you already are a holder of Bogen GS-250, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bogen GS-250.
However, one of the most important roles played by the user manual is to help in solving problems with Bogen GS-250. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bogen GS-250 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
