Weight Tank Compressor WT-COMP

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  • Regular price $1,899.00
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The Weight Tank Compressor will put a stamp on any material run through its circuitry.

The smooth and gooey sound of soft-knee vari-mu compression paired with thick, distinct and colorful harmonic saturation makes this a standout at an incredible price point.

With its two-tube and three-transformer circuit topology, the Weight Tank compressor has been fine-tuned to deliver something special to clean, digitally recorded audio.

Unlike its cousin, the Locomotive Audio 14B, which buffs your sound to a glossy sheen, the Weight Tank offers darker tones while adding huge vintage heft to your audio.

Weight Tank's all-tube circuitry (6BC8 & 12AU7) and three all-steel audio transformers (Input, Interstage & Output) are designed to deliver big, saturated and harmonically-rich results. While not a clone, the Weight Tank Compressor borrows concepts from compressors such as the UA 175B, Altec 436 (as well as its British child) and certain aspects of the Locomotive Audio 14B. The goal was to make the best colored vari-mu style tube compressor at a tremendous value.

Armed to emit a variety tones, the Weight Tank Compressor features an exciting design with the ability to switch between two pure Class A output bias points, much like auditioning guitar amps. When run in “Round” mode, a smooth, sweet and pure tone will result. If switched to “Drive” mode, the 12AU7 output tube bias swings drastically hotter and offers an enhanced harmonic structure and overall driven tonal shift. Switching between these two bias settings can result in both subtle or drastic changes depending on the source material and how much signal is being sent through the unit.


  • XLR input and output connections​
  • Stereo Link 1/4" TS jack on rear
  • 6BC8 and 12AU7 tubes
  • Stereo Link switch​
  • Hard-wire bypass switch​
    Compression turned off with full counterclockwise attack position, switching to line amplifier​ 
  • 6BC8 balance adjustment on interior of unit​ 
  • Custom backlit Gain Reduction Meter​ 
  • Steel input, interstage and output transformers​ 
  • Hand-built in USA 
  • Heavy 16 gauge steel chassis​ 
  • 115v/230v AC mains option on rear​ 
  • 2-year warranty parts and labor