IGS Audio V8 - Discrete Tube Vari-Mu Compressor
The IGS Audio V8 is a premium dual-mono/stereo-linkable Vari-Mu tube compressor built entirely with discrete components and six IGS Custom transformers (three per channel). Featuring a bridge of 4 hand-matched pulse diodes for compression, stepped Elma controls, sidechain HPF, +10 dB threshold boost, and analog VU metering, the V8 delivers the classic tube glue, depth, and harmonic richness of vintage designs. Perfect for mix bus, mastering, drums, bass, vocals, and groups, it offers unlimited tonal possibilities with exceptional build quality and musical character.
Vari-Mu Tube Compression
The V8 uses a classic Vari-Mu (remote cutoff) tube circuit with a diode bridge for smooth, program-dependent gain reduction and rich harmonic coloration. Six stepped attack times (0.1 ms–30 ms) and release times (0.1 s–1.4 s + Auto) provide precise control, while the +10THR switch lowers the threshold by 10 dB for stronger compression on quiet or dynamic sources. The sidechain HPF (OFF/40/80/120/180/240/320 Hz) prevents low-end pumping, ensuring tight, musical results.
Key Features of the IGS Audio V8
- Discrete Vari-Mu tube compressor with 6 custom IGS transformers
- 4 hand-matched pulse diodes for compression bridge
- Stepped Elma controls for accurate recall and stereo matching
- Sidechain HPF: OFF, 40, 80, 120, 180, 240, 320 Hz
- +10 dB threshold boost for deeper compression
- Stereo link and hard-wire bypass
- Analog VU meters with custom IGS scales
- Transformer-balanced XLR I/O
- Internal linear power supply
- Hand-built in Poland
Technical Specifications
- Type: Dual-mono/stereo Vari-Mu tube compressor
- Input Impedance: 10 kΩ (balanced)
- Output Impedance: 600 Ω (balanced)
- Operating Level: +4 dBu
- Max Input Level: > +22 dBu
- Max Output Level: > +26 dBu
- Max Gain Reduction: 30 dB
- Max Gain: 22 dB
- Dynamic Range: 101 dBA (@ 1 kHz, +24 dBu)
- Noise Level: -99 dBA
- Frequency Response: 10 Hz–25 kHz (+0.2 dB / -0.4 dB)
- THD+N: 0.056% (@ 20 Hz–20 kHz)
- Attack: 0.1 ms–30 ms
- Release: 0.1 s–1.4 s + Auto
- Power: Internal, 115/230 V AC, 24 W
- Dimensions: 19" rackmount (2U)
- Shipping Weight: 8 kg



