IGS Audio TUBECORE is a fully symmetric, transformer balanced stereo mastering compressor – based on the typical vari-mu solution.
TUBECORE adds density and dimension to your mix in a magical way.
Apart from the classic INPUT, THRESHOLD and OUTPUT controls it introduces a switchable high pass filter in the sidechain, parallel compression (MIX knob), independent ATTACK and RELEASE switches, and user replaceable tubes accessible from the back of the unit.
The Tubecore was designed as a studio mastering compressor. It is built using the 3U enclosure, which improves front panel clarity and makes it easier to replace tubes located at the back. The compressor allows you to work either in dual mono or mid/side mode (M/S).
The tubes:
The design of the Tubecore is based on the possibility to replace the tubes. As a user, you can choose between a few types: 6N1P-EW (6N3P-EW) – standard set of tubes, “standard” IGS compression, 6BC8/6BZ8 – tight, transparent, punchy compression, 6386 – legendary compression, by famous twin triode, 5670 – deep and dark tube compression. The User’s Manual describes in detail how to replace tubes, so it is quick and straightforward.
| Device type |
| Vari Mu Compressor: Yes |
| Basic features |
| All stepped manipulators: 24 pole Elma switches |
| MID/SIDE Processing: OpAmp M-S encode/decode |
| WET/DRY Mixer: 0 – 100%, 4 dB step |
| Sidechain HPF: 120Hz, 60Hz, Off |
| Input & Output |
| Input Impedance (balanced): XLR, 10k Ohm, IGS Custom Transformers |
| Output Impedance (balanced): XLR, 600 Ohm, IGS Custom Transformers |
| Levels |
| Operating Level: +4dBu |
| Max input level: +22 dBu |
| Max output level: +22 dBu |
| Dynamic Range: >107 dBA (@ 1kHz, +24 dBu) |
| Max. gain: +35dB |
| Max Gain Reduction: 20 dB |
| Time constants |
| Attack: 0.1 – 30 ms |
| Release: 0.1 – 4s |
| Bandwidth |
| Frequency response: 20Hz to 20kHz; +/- 0.2dB |
| Distortion (@ 20 Hz – 20 kHz) |
| Signal to Noise Ratio: 87 dBA |
| THD: 0.12% |
| THD+N: 0.15% |
| IMD (SMPTE): 0.32% |
| Crosstalk: 82 dB |
| Power |
| Voltage: 115/230V AC, 50-60Hz |
| Power consumption: 44 Wats |
| Power supply: External |
| Packing box |
| Dimensions: 70x50x30 cm |
| Shipping weight: 9kg |
| Others |
| Tube set: Standard: 6N1P-EW or 6N3P-EW, Optional: 6BC8, 5670, 6386 |
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