AT-1 Automatic Volume Control:
The AT-1 Automatic Volume Control is used in conjunction with the Sentry MK2.
When the Sentry MK2 detects that the sound has gone above the pre-set level, the AT-1 reduces the signal which in turn reduces the sound being measured.
- Led indicators on the front panel show how much the AT-1 is attenuating.
- Distortion <0.01% @ +10dbu
- Noise floor <-90db
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