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IGS Tubecore 3U (Mastering Edition) – Vari-Mu Compressor – Carnhil - $2,350
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Selling my IGS Audio Tubecore 3U Mastering Edition stereo vari-mu compressor in excellent condition.
This is the earlier desirable production version featuring Carnhill input transformers and Sowter output transformers, before IGS transitioned to later in-house transformer designs.
A true mastering-grade stereo vari-mu compressor built for mix bus glue, mastering depth, and high-end analog dynamics control.
Key Features:
• Stereo vari-mu tube compression
• Carnhill input transformers
• Sowter output transformers
• Fully transformer-balanced signal path
• All stepped Elma switches (24-position precision controls)
• Mid/Side processing (encode/decode)
• Parallel (dry/wet) mix control (0–100%)
• Sidechain high-pass filter (Off / 60Hz / 120Hz)
• Attack: 0.1–30 ms
• Release: 0.1–4 sec
• Max gain reduction: 20 dB
• Max output level: +22 dBu
• Operating level: +4 dBu
Condition:
• Excellent / studio-kept
• Fully functional
• Smoke-free environment
• Never toured or abused
Why it stands out:
• High-end mastering-grade vari-mu tone and glue
• Stepped controls for precise recall
• Wide stereo image with solid low-end control
• M/S flexibility for mastering applications
• Earlier transformer version preferred by many engineers for tone and depth
Includes:
• External power supply
• Power cable
Cash Only, Local Pickup Only, in central WI.