SPECIFICATIONS FOR ACL4
AUDIO INPUT
Connectors XLR and 1/4” TRS (Pin 2 and Tip hot)
Type Electronically balanced/unbalanced, RF filtered
Impedance Balanced >50Kohm, Unbalanced>25Kohm
Nominal operating level +4dBu/-10dBV switchable
Max input level >+24dBu balanced and unbalanced
CMRR Typically>50dB at 1KHz
AUDIO OUTPUT
Connectors XLR and 1/4” TRS (Pin 2 and Tip hot)
Type Electronically balanced/unbalanced, RF filtered
Impedance Balanced 120ohm, Unbalanced>60ohm
Max output level >+21dBu,+20dBm balanced and unbalanced
SYSTEM SPECIFICATIONS
Bandwidth 22HZ to 22KHz, +0/-0.5dB
Frequency Response 0.35Hz to 200kHz,+0/-3dB
Noise >-95dBu, unweighted, 22Hz to 22kHz
THD <0.008% Typical at +4dBu, 1kHz, unity gain
<0.04% Typical at +20dBu, 1kHz, unity gain
IMD <0.1% Typical SMPTE
Crosstalk <-100dB, 22Hz to 22Khz
Stereo Coupling True RMS detection
COMPRESSOR SECTION
Type Interactive Compressor (Interactive Knee Adaptation)
Threshold variable (-40dB to +20dB)
Ratio variable (1:1 to ∞:1)
Threshold Characteristic variable (Interactive or Hard Knee)
Manual Attack Time variable (0.5ms to 100ms / 20dB
Manual Release Time variable from 0.05 ms to 5s / 20dB
Auto Attack Time Typical 15ms at 10dB, 5ms at 20dB, 3ms at 30dB
Auto Release Time Program dependent, typical 125dB/s
Output level variable (-20dB to +20dB)
PEAK LIMITER SECTION
Type Interactive Gain Control Peak Limiter
Threshold variable (+4dB to OFF (+22dBu))
Ratio ∞:1
Stage 1 Limiter Type Clipper
Attack Time “zero”
Release Time “zero”
Stage 2 Limiter Type Program Limiter
