Retro Instruments Revolver

Dual Channel Tube Compressor


  • Ideal for the stereo bus and excels at tracking, mixing and mastering.
  • Independent controls with stereo linking.
  • Continuously variable input, output, attack, release and threshold.
  • Dual Threshold Control allows control of ratio and amplifier saturation.
  • Low noise and high separation.
  • High-quality audio transformers deliver low distortion and ruler flat response.
  • Fully differential all-tube signal path.
  • Transformer-balanced inputs and outputs on XLR connectors
  • Illuminated VU meters
  • Front panel meter zero controls.
  • Internal tube balancing facility.
  • 120 or 240 Volt operation.
SKU: 23795 Category:
SKU: 23795
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  • After Sale Support
  • 2 Years Warranty
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SKU: 23795 Category:
SKU: 23795

Retro Instruments Revolver

Dual Channel Tube Compressor

When you first put your ears to the Retro Instruments REVOLVER, you’ll hear some very legendary compression, an ingredient many have kept secret. You will hear lively and vibrant dynamics, the same you have imagined for your own project. Now you will know the sound, it’s as unmistakable as applesauce.

Years of Development.

As an experimental project in 2011, a few Retro Instruments REVOLVER’s were built and field tested with select studios. We started with the famous British-modified Altec 436 compressor and added features you need for tracking, mixing and mastering. We needed it right for Rev. A. Here it is.

The Retro Instruments REVOLVER puts You in Control.

For the first time ever, you get all the adjustments to dial in the type of dynamics you’ve heard on numerous albums. We’ve added features like a side-chain filter, stereo linking and continuously variable threshold, attack and release.

Built like a Tank.

The Retro Instruments REVOLVER might be guilty of being slightly overbuilt here in the USA, but it’s definitely done purposely to give you years of uninterrupted performance. Each unit passes a series of critical tests. Tubes and other components are selected for top performance and proper stereo tracking.



  • Number of Channels: 2
  • Controls: Input, Output, Attack, Release, Threshold, Side-chain filter select, Stereo Link
  • Ratio: Adjustable between 1.5:1 and 5:1
  • Usable Input level range: -20 to +20 dBu
  • Output level range: -30 to +18 dBu
  • Output clip level: +23 dBu (1% dist)
  • Attack Time: 2 to 40 milliseconds
  • Release Time: 200 milliseconds to 2 seconds
  • Highpass side-chain filter: Selectable 6 dB detector rolloff at 90 or 250 Hz.
  • Distortion: Less than 0.05% below compression threshold. Approx. 1% at full-scale compression.
  • Frequency Response: 20-20,000 Hz. ± 0.5 dB
  • Rack Space: 2U
  • Depth: 9.5 inches
  • Weight: 22 pounds
  • Connections: IEC Power, XLR input and output x2
  • Power Requirements: 120 VAC or 240 VAC. 22 Watts
  • Fuse Rating: Standard fast-blow 3AG-style fuse. 1 A 120 VAC, 1/2A 240 VAC


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Return and restocking option is available for private customers only. We will issue a refund/credit if you are not satisfied with your purchase and notify us within 10 days of product receipt. It must be returned in the original packaging and in saleable condition and must be returned freight prepaid. Return and restocking rights are not applicable for Audio/Video and software products. Shipping and handling charges to and from are not refundable.

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