The Aphex Model 622 is a dual channel dynamics processor, incorporating new, proprietary
detection circuitry that provides the most reliable, accurate, and stable operation of any gate.
The model 622 also offers the highest quality audio path, flexible high “Q” key filters, key
headphone outputs on the front panel and remote controlled bypass relays. All these features
make the Model 622 the choice of professionals in recording, broadcast and sound reinforcement.
Control audio leakage in stage and studio mixing applications
Increase dynamics of any program material – recorded or live
Manipulate external audio program for voice-overs and automatic level changes
Key external sounds to any audio track
Reshape any sound envelope
Control feedback in live sound applications
Create special dynamic effects
Logic Assisted Gate Circuitry: combines sophisticated level detection with logic generated
control voltage assuring positive, stable and accurate triggering regardless of attack time.
Ultra-pure Audio Path: Proprietary Aphex VCA 1001 voltage controlled attenuator assures
the highest audio quality, speed and freedom from DC control feed through (no clicks regardless
of attack time).
Parametric key input filters – 24 dB/octave: Switchable parametric filters with frequency and
bandwidth controls allow user greater ease of frequency selection.
Key Monitor headphone jack: provides ability to monitor key input without disrupting audio output.
Dedicated downward expander mode: allows high resolution of ratio adjustment: from 1.2:1 to 10:1.
119 dB dynamic range.
Switchable ducking mode: Fully adjustable control of trigger threshold, attack time, hold time,
release time, expander ratio, and attenuation range.
Simple and accurate metering system.
Improved servo-balanced input and output circuits.
5 year limited warranty.
+4/-10 operation, rear panel selectable.
Hardwire relay bypass: remote controllable.