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Aviom C4o
Mic/Line Output Card for the AllFrame


The C4o Analog Output Card provides four configurable mic/line-level analog outputs from the modular AllFrame system.
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Aviom C4o
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The C4o Analog Output Card provides four configurable mic/line-level analog outputs from the modular AllFrame system.

Install C4o cards in one or more slots of an AllFrame system's host F6 to provide output feeds to signal processors and amps when used on stage in a digital snake configuration. When used as a FOH output feed, AllFrame C4o cards are equally at home feeding the inputs to a mixing console at line-level or mic-level.

The C4o is a four-channel analog output card for the AllFrame Multi-Modular I/O System. Each channel can be individually set to one of five output levels (+28dBu, +24dBu, +18dBu, +4dBu, or Mic) to maximize each output's flexibility when connecting to other components in the audio system.

The card's output levels can be set from the Pro64 Network Manager software using a simple drop-down menu. Simply select a level setting for an output on the card and it stays that way until you need the output level to be different for another application.


  • Four XLR male outputs per card
  • Mic- or line-level out, per channel
  • Five output levels: +28dBu, +24dBu, +18dBu, +4dBu, and Mic


  • Outputs: 4 channels; XLR; Mic or line-level
  • XLR Outputs: Pin 1: Shield; Pin 2: Hot; Pin 3: Cold
  • Output Impedance: 450 Ohms for +4dBu, +18dBu, +24dBu and +28dBu outputs; 200 Ohms for Mic
  • Output Levels: +28dBu, +24dBu, +18dBu, +4dBu, and Mic
  • Frequency Response: -3dB: 2Hz and 23kHz
  • ┬▒0.5dB: 10Hz-22kHz (at 1x sample rate)
  • THD+N: < .002% at -10dBFS
  • Signal to Noise: D/A: -111dB (unweighted)
  • Crosstalk: <100dB at 1kHz
  • Equivalent Input Noise (EIN): -127dBu
  • Threaded Inserts: PEM FEOX-440;
  • Use size #4 machine screw with 40 threads per inch.
  • Dimensions: 5.2" x 1.9" x 3.01"
  • Weight: 0.5 pound (0.22 kg)

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