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Average Price: $358

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$501+

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Based on price data from 2 merchants for "Fredenstein V.A.S. FET compressor". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Fredenstein V.A.S. FET Compressor is a compact powerhouse designed for musicians and audio engineers who demand precision and flexibility in their studio gear. At its core, the compressor features Fredenstein's proprietary Reverse-Mancini FET architecture, delivering increased linearity and enhanced noise performance. This single-channel unit is engineered to handle everything from subtle vocal smoothing to aggressive drum smashing, thanks to its adjustable ratio range of 2:1 to 20:1 and versatile attack and release times.

With its fully discrete OPA2 operational amplifier and American-made steel-core transformer, the V.A.S. Compressor promises vibrant, balanced sound with ultra-low noise. The mix control allows for seamless parallel compression, while the switchable sidechain filter can be fine-tuned to prevent unwanted frequency-triggered compression. Additionally, the compressor is equipped with a universal power supply and a robust set of I/O options, including balanced XLR and 1/4" TRS jacks, making it equally adept for both studio and live settings.

The intuitive layout of the V.A.S. Compressor includes separate LED meters for gain reduction and output level, offering clear visual feedback. For those who need stereo capabilities, the unit can be linked with a second V.A.S. Compressor. Its sturdy desktop format and optional rack-mounting ensure it fits seamlessly into any audio setup, providing a reliable solution for dynamic control.

Key Features:

  • Single-channel FET compressor with stereo link capability
  • Proprietary Reverse-Mancini FET architecture for superior linearity
  • Discrete OPA2 operational amplifier with steel-core transformer
  • Parallel compression with mix control
  • Adjustable ratio from 2:1 to 20:1, attack time from 0.5ms to 50ms, release time from 70ms to 2.5s
  • Switchable sidechain filter, adjustable from 6 Hz to 2 KHz
  • Balanced XLR and 1/4" TRS input/output
  • Integrated universal power supply (90VAC–240VAC, 50Hz–60Hz)
  • LED meters for gain reduction and output level
  • Desktop format with optional rack-mounting capabilities

Owner's manual

Fredenstein V.A.S. FET compressor User Manual

Product specs

Type FET Compressor/Limiter
Number of Channels 1
Controls Attack, Release, Ratio, Make up, Mix
Threshold Fixed
Ratio 2:1 to 20:1
Inputs 1 x 1/4", 1 x XLR, 1 x 1/4" TRS (link)
Outputs 1 x 1/4", 1 x XLR
Sidechain I/O 1 x 1/4" TRS
Height 2.0" (with feet)
Depth 6.69"
Width 7.87"
Weight 2.86 lbs.

FAQs

What type of compressor is the Fredenstein V.A.S. FET Compressor?

The Fredenstein V.A.S. FET Compressor is a single-channel FET (Field Effect Transistor) compressor, known for its fast attack times and ability to add aggression and character to audio signals.

What are the main controls available on the Fredenstein V.A.S. FET Compressor?

The main controls on the Fredenstein V.A.S. FET Compressor include Attack, Release, Ratio, Make-up Gain, and Mix, allowing for precise shaping of the compression effect.

Can the Fredenstein V.A.S. FET Compressor be used for parallel compression?

Yes, the Fredenstein V.A.S. FET Compressor features a Mix control, which facilitates parallel compression by blending the dry and compressed signals.

What are the input and output options for the Fredenstein V.A.S. FET Compressor?

The Fredenstein V.A.S. FET Compressor offers 1 x 1/4" input, 1 x XLR input, and 1 x 1/4" TRS link input, with output options of 1 x 1/4" and 1 x XLR, ensuring versatile connectivity.

Is the threshold adjustable on the Fredenstein V.A.S. FET Compressor?

The Fredenstein V.A.S. FET Compressor features a fixed threshold, focusing control adjustments on Attack, Release, Ratio, Make-up Gain, and Mix for tailoring the compression effect.

Reviews

PROS

  • Capable of both aggressive and mild compression for versatile applications

  • Excellent performance compared to higher-priced 1176 clones

  • DRY/WET knob enables parallel compression, rare in this price range

  • Strong signal-to-noise ratio without distortion

  • Discrete input amp and transformer provide cleaner sound

  • Wide range of attack and release times enhances versatility

  • Pairs well with bright microphones, taming harshness

  • Musical and precise signal handling

  • Affordable price for professional-grade performance

  • Solid build quality despite minor aesthetic flaws

CONS

  • Knobs lack clear grading and have no notches, making precision adjustments challenging

  • Some units have misaligned potentiometers, affecting visual alignment

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