Classic Series Public Address Amplifiers C10 & C20 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.
Contents DESCRIPTION FRONT PANEL REAR PANEL INSTALLATION... Power and Grounding: Input Connections. Microphone Connections . Microphone Precedence .. AUX TEL.. Output Connections Speakers, General OPERATION POWER . Dict, Mic AUX TEL.. VOX Microphone Precedence .
Description Biogen Models C10 and C20 public address amplifiers are rated at 10 and 20 watts, respectively, and are listed to UL Standard 60065 for US and Canada. The amplifiers accommodate low-impedance microphones and high-impedance auxiliary sources. A front panel selector switch offers a choice of either two low-impedance balanced microphones (MIC, MIMIC, or one microphone and one auxiliary input (MIC, AUX).
Rear Panel AUX POWER GND COM 4081 160 26V ov BOGON. 1: wc Mich WwW e908 wm POETESS 9 8 on LASS 2 WANG ACCEPTABLE O10 AX 10Z ND LoZ OE EE SJE pr ENCLOSED IN VOX TEL AUX Lap | “TRANSFORMER. Amplifier Output Screw terminal strip containing all available speaker outputs. 2. Nuts Input Screw terminal input for microphone precedence. 3. MICROCOSMIC Screw terminal input for Lo-Z balanced microphone signal. 4.
Output Connections Speakers, General The amplifier may be used with most conventional speaker systems. Connect one speaker lead to the screw terminal that corresponds to the total impedance or proper voltage of the speakers used in the system and the other lead to the COM terminal. For balanced output lines, remove the link between the COM and GND output terminals. Class 2 wiring may be used. Operation POWER The front panel ON/OFF switch applies power to the amplifier.
Accessories WARMTH Line-Matching Transformer + Hi-Z, 10k-ohm primary impedance + Lo-Z, 600-chm secondary impedance, balanced with center tap + Matches high-impedance unbalanced or low-impedance balanced signals + Jumper selection allows line level signal to microphone level signal conversion RPK35B Rack Panel Kit « RPK35B adapts Classic Series amps (Models C10 and C20) for 19" rack mounting, 2 rack spaces = Heavy gauge steel construction WM In-Wall Mounting Kit + Cabinet fits between standard standard 16" «
Limited Warranty; Exclusion of Certain Damages 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.