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               ASM-822 Eight-channel Automatic Mixer


Key Features
  • ˇń Eight automatic Mic/Line inputs, automatic gain adjustment by microprocessor control.
  • ˇń 15-unit daisy chain by accessory link cable to allow maximum 120 channels operation.
  • ˇń NOMA ˇ±Number of Open Microphone Attenuatedˇ± helps control feedback.
  • ˇń 48V phantom power individually selectable for each channel, either line or microphone  output available.
  • ˇń LED shows working status and volume condition.
  • ˇń Any channel can be set to priority, when the ˇ°Chairman unitˇ± is speaking, the other speaking units will be automatic attenuation.
  • ˇń An RS232 data port provides a connection point for a video camera tacking system.
  • ˇń The ASM-800 automatic mixer is ideal for meetings, seminars, teleconferencing, house of worship services, broadcast and conference applications.



Power Supply
100V - 240V AC (20W)
Input Port (balanced)
1: GND,   2: +,  3: -
Output Port (balanced)
XLR-M: 1: GND,    2: +,  3: -
Input Impedance
Mic: 7.2k ohms Line: 11k ohms
Maximum Input Level(1KHz, 600 ohms)
 -40 dB
Nominal Input Level
 -52 dBv
Nominal Output Level
 +2 dBm
Maximum Gain (1KHz, 600 ohms)
Mic: >55dB,  Line: >40 dB
Frequency Response
Flat: 30Hz - 18kHz   Roff-off: (-12dB/oct) 180Hz
Output T.H.D
Equivalent Input Response
< -110 dBV
Phantom Power Requirements
48V DC
2.3 kg
426mm X 225mm X 88mm (L X W X H)