BHR fk _ Classic Series Amplifiers C35, C60, & C100 Models Installation and Use Manual © 2009 Biogen 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.
PANEL DESCRIPTIONS Classic Series Front Panel . Classic Series Rear Pans! . INSTALLATION Package Contents. Ventilation Rack Mounting .. CONNECTIONS Input Connections. Microphone Connections Auxiliary .. AUX Muting Output Connections Speakers, General Speakers, Low-impedance Tape/Booster Connection WARMTH Connection Front Panel Controls moms adhbbhwin a Input Volume Controls .. MIC, AUX Mode Switch Bass and Treble Controls Rear Panel Controls TEL Volume Control .
Classic Series Front Panel @ MIC MIMIC_ AUX Aux TREBLE BASS POWER 1. MIC Level Control Individual level control for a dedicated microphone input. 2. MIC2/AUX1 Mode Switch Switch selects either the MIC or AUX connection as the active input. 3. MIC2Z/AUX1 Level Control Individual level control for a dedicated microphone input or for an auxiliary input depending on input mode selected. 4. AUX Level Control Individual level control for a dedicated auxiliary input. 5.
Classic Series Rear Panel Models C35/60 0 coM LNG Tov Model ¢100 MEIOSIS @ 1 Of lin 1. Amplifier Output Screw terminal strip containing all available speaker outputs. 2. Tape/Booster RCA unbalanced signal level/output. 3. WARMTH RCA output connection for Biogen's 600-chm balanced line matching transformer Model WARMTH. 4. AUX Terminal Screw terminal connection that allows externally controlled muting of AUX inputs with a contact closure. 5.
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.
Input Connections Microphone Connections These inputs are for two low-impedance balanced dynamic microphones. Connect cable shield to center screw marked "END" 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 AUX and MUTE terminals. When the contacts are closed, the AUX 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 4 8 Each input module may be individually controlled by its corresponding volume control knob. MIC, AUX 1 Mode Switch 8 io Activates the corresponding input that it is switched to, MIC or AUX. The other input is inactive and any connections to the inactive input will not work.
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 {AUX and AUX) will be muted.
Specifications Power Output (RMS) C35: C60: c100: Frequency Response & Distortion Transformer: 4-Ohm Direct Output: Hum and Noels MIC Input: AUX Input: TEL Input: Tone Control Action Bass: Treble: Input Sensitivity MIC Lo-Z Balanced: AUX: TEL: Outputs Output Connections: Input Connections: Controls: Thermal Emissions (Full Power) C35: C60: C100: Power Requirements: AC Line Draw C35: C60: C100: Dimensions: Product Weight C36: C80: C100: Approvals: + Measured @ 2 dB below FRP kHz max. kHz 0.5% max.
LEM CONDITION CAUSE « Amplifier not plugged in. + AC outlet dead. Power Switch Indicator Is OFF. + Power switch off. + Circuit breaker tripped. Power Switch Indicator is ON. No signal from source. Volume muted down. Speakers not connected correctly. Link jumper not set correctly (pg. 5). Power Switch Indicator is ON. Volume Controls are muted up. Unit is extremely hot. Little volume. Partial short on the output. Check speakers and wires. Power Switch Indicator is ON. Volume up. Good volume.
Biogen Classic Series Amplifiers are warranted to be free from defects in material and workmanship for 2 (two) years from the date of sale to the original purchaser.