
AR84 is an 8 XLR input, 4 XLR output AudioRack, compatible Qu, Avantis and SQ mixers, and with the AHM-64 audio matrix processor.

| INPUTS | |
| XLR Mic/Line Inputs | Balanced |
| Mic/Line Preamp | Fully recallable |
| Input Sensitivity | -60 to +15dBu |
| Analogue Gain | +5 to +60dB, 1dB steps |
| Pad | -20dB |
| Maximum Input Level | +32dBu |
| input Impedance | >4kΩ (Pad out), >10kΩ (Pad in) |
| Mic/Line Channel noise | 20-20kHz, Direct Out @ unbalanced out |
| Mic EIN | -127dB with 150Ω source |
| Unity gain (Pad in) | 0.005% -86dBu @ 1kHz, 0dBu output |
| Low gain (5dB, Pad out) | 0.003% -89dBu @ 1kHz, 0dBu output |
| Mid gain (30dB, Pad out) | 0.004% -88dBu @ 1kHz, 0dBu output |
| Mic/Line Channel THD+N | 20-20kHz, Direct Out @ unbalanced out |
| OUTPUTS | |
| XLR Outputs | Balanced, Relay protected |
| Output Impedance | <75Ω |
| Nominal Output | +4dBu = 0dB meter reading |
| Maximum Output Level | +22dBu |
| Residual Output Noise | -91dBu (muted, 20-20kHz) |
| Operating Temperature | 0 deg C to 35 deg C (32 deg F to 95 deg F) |
| Mains Power | 100-240V, 50/60 Hz, 20W max |