Used Drawmer DL221 dual compressor limiter in good condition
The Drawmer DL221 is a dual channel hard knee compressor with limiter.
The compressor section has threshold down to -24dB, ratio of 1:1 to 20:1, attack of 50mS to 5 seconds, release of 50mS to 5 seconds and gain of -20dB to +20dB. A ten element universal meter can be switched to show VU or GR. The limiter section is selectable by a toggle switch. It has a fixed level of +6dB (+10dBU). A single red light showed limiting action.