SLAM Mode can definitely give a male or female rock vocal track an in-your-face sound that you can’t get anywhere else.
IGS Audio 576 Blue Stripe is a revised version of classic FET compressor, in a compact 500 series form factor.
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.
What it does
The 576 Blue Stripe’s major headline point is its ultra-fast attack time – 20 µS.
The Ratio selector allows for 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.
| Device type |
| Fet Compressor: Yes |
| Basic features |
| Stereo Link: Yes, by jumper in the PSU. |
| Input & Output |
| Input Impedance (balanced): 2.4k, IGS Custom transformer |
| Output Impedance (balanced): 600 Ohm, IGS custom transformer |
| Audio transformers: Yes, IGS custom transformers |
| Levels |
| 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 |
| Time constants |
| Attack: 20us – 800us |
| Ratio: 2:1, 4:1, 8:1, 12:1, 20:1, Slam (All in) |
| Release: 50ms – 1.1s |
| Bandwidth |
| Frequency response: 8 Hz to 20 kHz, +/- 0.1dB |
| Distortion (@ 20 Hz – 20 kHz) |
| THD+N: 0.01% |
| Power |
| Power consumption: 2.5W |
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