From IGS Audio

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 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.

DEVICE TYPE

Fet Compressor
Yes

BASIC FEATURES

Stereo Link
Yes (linkable in PSU)

INPUT & OUTPUT

Input Impedance (balanced)
2.4k
Output Impedance (balanced)
600 Ohm
Audio transformers
Yes, Carnhill on input and output

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

Ratio
2:1, 4:1, 8:1, 12:1, 20:1, Slam (All in)
Attack
20us - 800us
Release
50ms - 1.1s

BANDWIDTH

Frequency response
8 Hz to 20 kHz, +/- 0.1dB

DISTORTION (@ 20 HZ - 20 KHZ)

THD+N
0.014%

POWER

Power consumption
2.5W

PACKING BOX

Shipping weight
1kg

Free 3-Year Warranty

Sound Pure stands behind our products. Free three-year warranty on this item. Coverage exclusions live in Terms & Conditions, Section 27.

Level of support and expertise that simply isn't available at big-box megastores. Read the warranty →

Returns

This item is not eligible for the Try-Before-You-Buy 48-hour audition. Standard return policy applies — see Terms & Conditions, Section 18 for details.

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