User manual BIAMP 83 B SERIES

[. . . ] Inputs are provided to accept signals from microphones and/or line level devices. Special features, including limiters and remote level control, make the 83 B SERIES extremely versatile. [. . . ] Special features, including limiters and remote level control, make the 83 B SERIES extremely versatile. 83 B SERIES mixers are dependable, easy to install, simple to operate, and are covered by Biamp Systems' five-year warranty. FEATURES three electronic balanced mic/line input channels (301) six electronic balanced mic/line input channels (601) 30db rear panel Pad switch on each input channel 40dB screwdriver-adjust Trim on each input channel +10dB Peak LED indicator on each input channel rotary level control on each input channel auto-muting of one channel for "talk-over" applications · +24 volt Phantom Power assign switch on each input · electronic balanced main output with rotary level control · · · · · · · · · · · remote control of mail level from up to 2000 feet away main patch insert point for external processing devices main stacking input accepts signals from other mixers screwdriver-adjust tone controls & limiter on main output · -20dB Signal Present LED indicator for main output · all input/output/control on plug-in barrier strip connectors · RoHS compliance and AES grounding practices · CE marked and UL listed power source · covered by Biamp Systems' five-year warranty ARCHITECTS & ENGINEERS SPECIFICATION The mixer shall have either three or six differentially balanced input channels utilizing discrete transistor preamplifier circuitry. Inputs shall accept microphone or line level signals. Each input shall include a screwdriver adjustable trim control with 40dB of range, a 30dB pad switch, a +10dB (peak) indicator, and a rotary level control. Automatic muting of the last input, via signal present in any or all of the other inputs, shall be assignable by rear panel DIP switches. The mixer shall be compliant with EU Directive 2002/95/EC, the RoHS directive. The three input mixer shall be a BIAMP 301 Mic/Line Mixer. The six input mixer shall be a BIAMP 601 Mic/Line Mixer. Biamp Systems, 10074 S. W. Arctic Drive, Beaverton, Oregon 97005 U. S. A. (503) 641-7287 www. biamp. com 83 B SERIES SPECIFICATIONS Frequency Response (20Hz~20kHz @ +4dBu): +0/-1dB THD+Noise (20Hz~20kHz @ +4dBu): < 0. 02% Equivalent Input Noise (20Hz~20kHz, 150 term. ): -125dBu Output Noise (20Hz~20kHz): master level control down < -86dB master level & one channel at nominal < -78dB Maximum Gain: mic input to main output 78dB main patch to main output 16dB main stack to main output 10dB Crosstalk (channel-to-channel @ 1kHz): -60dB Output Impedance: main output (balanced) 200 ohms main patch (unbalanced) 100 ohms Maximum Output: main patch +18dBu main output +24dBu Output Limiter: atack time 1~2 mS (program dependent) release time 100~500 mS (program dependent) threshold range -4dBu ~ +24dBu Output Tone Controls: Bass & Treble ±10dB @ 100Hz & 10kHz Remote Control Attenuation (0~+10VDC): Input Trim Control Range: Input Pad Switch Attenuation: Input Impedance: mic/line inputs (balanced) main patch (unbalanced) main stack (balanced) Maximum Input: mic/line input main patch main stack Power Requirements: Power Consumption: Dimensions: height (1 rack space) width depth Weight: Compliance: -80dB ~ 0dB 50dB 30dB 2. 7k ohms > 7k ohms 30k ohms +30dBu +30dBu +24dBu 115/230VAC 50/60Hz < 7 watts 1. 75 inches (44mm) 19 inches (483mm) 7 inches (178mm) 6 lbs. (2. 72kg) AES48-2005 Grounding & EMC practices EU Directive 2002/95/EC, RoHS directive CE marked UL listed power source 301 REAR PANEL DIAGRAM BIAMP SYSTEMS DC Power Class 2 wiring or LPS phantom phantom phantom main out stack in patch remote pad pad ch 3 duck ch 2 ch 1 GND 24V - + 7W designed and assembled in USA www. biamp. com enable enable channel 3 channel 2 channel 1 601 REAR PANEL DIAGRAM phantom phantom phantom phantom phantom ch 6 duck ch 5 ch 4 ch 3 ch 2 ch 1 phantom patch remote pad pad pad pad pad GND 24V - + 7W designed and assembled in USA www. biamp. com enable enable channel 6 channel 5 channel 4 channel 3 channel 2 channel 1 601 BLOCK DIAGRAM peak +24V peak detect level ch 6 mute mute buss mix buss input transformer (optional) pad -30dB trim 601 Block Diagram Channels 1 thru 5 (mic/line) + - phantom power bass treble patch master level pad DC Power Class 2 wiring or LPS main out stack in BIAMP SYSTEMS patch in out 601 remote vc input input input input input pad patch in out 301 remote vc input input input input EQ +/- 10dB @ 100 Hz +/- 10dB @ 10 kHz vca main output (balanced) + - out in threshold +24V (+48V opt. ) peak input transformer (optional) pad -30dB trim peak detect level mute -15dB limit limiter signal present signal detect stack in + - Channel 6 (mic/line) + - remote phantom power +10v ctrl Biamp Systems, 10074 S. W. [. . . ] The six input mixer shall be a BIAMP 601 Mic/Line Mixer. Biamp Systems, 10074 S. W. Arctic Drive, Beaverton, Oregon 97005 U. S. A. (503) 641-7287 www. biamp. com 83 B SERIES SPECIFICATIONS Frequency Response (20Hz~20kHz @ +4dBu): +0/-1dB THD+Noise (20Hz~20kHz @ +4dBu): < 0. 02% Equivalent Input Noise (20Hz~20kHz, 150 term. ): -125dBu Output Noise (20Hz~20kHz): master level control down < -86dB master level & one channel at nominal < -78dB Maximum Gain: mic input to main output 78dB main patch to main output 16dB main stack to main output 10dB Crosstalk (channel-to-channel @ 1kHz): -60dB Output Impedance: main output (balanced) 200 ohms main patch (unbalanced) 100 ohms Maximum Output: main patch +18dBu main output +24dBu Output Limiter: atack time 1~2 mS (program dependent) release time 100~500 mS (program dependent) threshold range -4dBu ~ +24dBu Output Tone Controls: Bass & Treble ±10dB @ 100Hz & 10kHz Remote Control Attenuation (0~+10VDC): Input Trim Control Range: Input Pad Switch Attenuation: Input Impedance: mic/line inputs (balanced) main patch (unbalanced) main stack (balanced) Maximum Input: mic/line input main patch main stack Power Requirements: Power Consumption: Dimensions: height (1 rack space) width depth Weight: Compliance: -80dB ~ 0dB 50dB 30dB 2. 7k ohms > 7k ohms 30k ohms +30dBu +30dBu +24dBu 115/230VAC 50/60Hz < 7 watts 1. 75 inches (44mm) 19 inches (483mm) 7 inches (178mm) 6 lbs. 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