Classic Series Amplifiers C35, C60, & C100 Models Installation and Use Manual © 2009 Bogen Communications, Inc. All rights reserved. Specifications subject to change without notice.
Notice: Every effort was made to ensure that the information in this guide was complete and accurate at the time of printing. However, information is subject to change. WARNING: To reduce the risk of Fire or Electric Shock, Do Not Expose this apparatus to rain or moisture. Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases shall be placed on the apparatus. WARNING: Only connect unit to AC mains outlet providing protective earthing connection.
Contents Page PANEL DESCRIPTIONS ................................................................................................2-3 Classic Series Front Panel ....................................................................................2 Classic Series Rear Panel ....................................................................................3 INSTALLATION ..................................................................................................................4 Package Contents.........
Panel Descriptions Classic Series Front Panel 1. MIC1 Level Control Individual level control for a dedicated microphone input. 2. MIC2/AUX1 Mode Switch Switch selects either the MIC2 or AUX1 connection as the active input. 3. MIC2/AUX1 Level Control Individual level control for a dedicated microphone input or for an auxiliary input depending on input mode selected. 4. AUX2 Level Control Individual level control for a dedicated auxiliary input. 5.
Panel Descriptions Classic Series Rear Panel 1. Amplifier Output Screw terminal strip containing all available speaker outputs. 2. Tape/Booster RCA unbalanced signal level/output. 3. WMT1A RCA output connection for Bogen’s 600-ohm balanced line matching transformer Model WMT1A. 4. AUX Terminal Screw terminal connection that allows externally controlled muting of AUX inputs with a contact closure. 5. Microphone Inputs Screw terminal strip containing the MIC1 and MIC2 balanced, low-impedance inputs.
Installation Package Contents • Classic Series Amplifier • Instruction Manual Ventilation When using a shelf or table mount, the amplifier should stand alone with no equipment on top of it or below it. Rack Mounting A rack mount bracket kit (Model RPK50) is available as an accessory. (Not included.
Connections Input Connections Microphone Connections These inputs are for two low-impedance balanced dynamic microphones. Connect cable shield to center screw marked "GND." Auxiliary The AUX inputs provide unbalanced RCA inputs for connection to external signal-level equipment. AUX Muting For this function, a customer-supplied, normally-open contact closure (switch) must be connected to the AUX2 and MUTE terminals. When the contacts are closed, the AUX2 input will be muted.
Operation Front Panel Controls Power The front panel ON/OFF switch applies power to the amplifier and is illuminated when power is ON. Input Volume Controls Each input module may be individually controlled by its corresponding volume control knob. MIC2, AUX 1 Mode Switch Activates the corresponding input that it is switched to, MIC2 or AUX1. The other input is inactive and any connections to the inactive input will not work.
Operation Rear Panel Controls TEL Volume Control The TEL VOLUME control on the rear panel adjusts the TEL input’s paging level. It does not affect the microphone level. Rotate the control counterclockwise to decrease the level. Rotate the control clockwise to increase the level. VOX Sensitivity Control When an input signal (such as voice) is detected through the TEL input, the music channels (AUX1 and AUX2) will be muted.
Specifications Power Output (RMS) C35: C60: C100: 35W 60W 100W Frequency Response & Distortion Transformer†: 4-Ohm Direct Output: 70 Hz to 16 kHz (± 2 dB) @ 1% max. 20 Hz to 20 kHz (± 1 dB) @ 0.5% max.
Troubleshooting PROBLEM CONDITION CAUSE Power Switch Indicator is OFF. • • • • Amplifier not plugged in. AC outlet dead. Power switch off. Circuit breaker tripped. Power Switch Indicator is ON. • • • • No signal from source. Volume turned down. Speakers not connected correctly. Link jumper not set correctly (pg. 5). Power Switch Indicator is ON. Volume Controls are turned up. Unit is extremely hot. Little volume. • Partial short on the output. Check speakers and wires.
Limited Warranty; Exclusion of Certain Damages The Bogen Classic Series Amplifiers are warranted to be free from defects in material or workmanship for two (2) years from the date of sale to the original purchaser. Any part of the product covered by this warranty that, with normal installation and use, becomes defective will be repaired or replaced by Bogen, at our option, provided the product is shipped insured and prepaid to: Bogen Factory Service Department, 50 Spring Street, Ramsey, NJ 07446, USA.
