API 235L Discrete-Channel Noise Gate Channel Strips w/ Mic Preamps whose sound dominated on hits

whose sound dominated on hits in the 1960's

and live sound

dating from the 1970's up to and including the Model 1608

Customized Audio Cabling for HD Systems

Need a little clarity or extension

API 235L Discrete-Channel Noise Gate Channel Strips w/ Mic Preamps whose sound dominated on hitsAPI 235L Discrete Channel Noise Gate Features Threshold control from 45 to +25 dBu Variable Fine Adjustable Depth to 80 dB Adjustable Release Hold Time, 50mS to 3 sec 2: 1 Expander or Noise Gate Selection Release or Hold Switch for Release control knob Always at Unity Gain, Regardless of settings LED Gain Reduction Meter Uses the API 2510 and API 2520 Op Amps Transformer Output, to +28 dBu The API 235L Noise Gate Expander has the ability to reduce