The 576 Blue Stripe is a revised version of the classic FET compressor.
What it is
The FET-type solution was first used for its application in the legendary UREI 1176 compressor from the 70s. The most important feature inspired by revision A is the input transformer used and pure class A output stage. The compressor is equipped with a relay bypass, 2:1 Ratio and Slam Mode accessible on the front panel.
“true peak limiter with all transistor circuitry and superior performance on all types of material»
What it does
The 576 BS’s major selling point is its ultra-fast attack time — 20 µS. The 576 BS Ratio buttons allow four different modes of operation: 2:1 Ratio (soft compression); 4:1 ratio (moderate compression); 8:1 ratio (severe compression); 12:1 ratio (mild limiting); 20:1 ratio (hard limiting); S – SLAM, All Buttons In trick mode.
SLAM Mode can definitely give a male or female rock vocal track an in-your-face sound that you can’t get anywhere else.
Fet Compressor Yes
Stereo Link Yes (linkable in PSU)
Input & Output
Input Impedance (balanced) 2.4k, Carnhill transformer
Output Impedance (balanced) 600 Ohm, Carnhill transformer
Audio transformers Yes, Carnhill on input and output
Operating Level +4 dBu
Max input level +20 dBu
Max output level +22 dBu
Noise Level -99 dBA
Max. gain 36 dB
Max Gain Reduction -20 dB
Ratio 2:1, 4:1, 8:1, 12:1, 20:1, Slam (All in)
Attack: 20us – 800us
Release: 50ms – 1.1s
Frequency response 8 Hz to 20 kHz, +/- 0.1dB
Distortion (@ 20 Hz – 20 kHz)
Power consumption 2.5W
Shipping weight 1kg