Save 20.1%, MSRP $925.00
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1-channel Solid-state Electro-optical Compressor with Program-dependent Attack and Release Times, XLR and TRS I/O and External Power Supply

The LA-2A (tube version) and LA-3A (solid state version) are some truly classic compressors / leveling amplifiers. Having been used for decades on countless recordings, they are a perfect example of vintage designs that never goes out of favor. At the core of both products is the T4 electro-optical attenuator with its unique sound and compression characteristics and a very smooth, natural and program dependent operation. Add to that the easy of use with only two main controls, GAIN and PEAK REDUCTION and the wonderful sound of the fully discrete signal path and the transformers.


  • Vintage-style circuitry with no integrated circuits
  • Transformer-balanced I/O
  • Capable of driving most balanced or unbalanced loads
  • Internal jumper for selectable output-transformer loading - Lets you vary high-frequency response
  • Employs classic T4-style electro-optical attenuator for gain control
  • Program-dependent attack and release times
  • Easy 2-control operation: Gain, Peak Reduction
  • HF control increases sidechain circuit sensitivity to mid- and high-frequency content
  • Large meter selectable between gain reduction and output level at 2 reference levels
  • Hardwired bypass switch for 1-touch in/out comparison
  • XLR and TRS I/O for flexible connectivity
  • Link switch and jack for stereo operation with another Comp-3A
  • External power supply (no interaction with audio circuitry)
  • Classic sound, ideal for most sources and music styles
  • Rugged build quality will provide many years of service
  • Compact, 2RU half-rackspace chassis
  • GTIN (UPC/EAN) : 7123244654884
    Manufacturer Part Number : COMP3A


    Le studio Marco Primeau
    Salaberry de Valleyfield
    June 10, 2020
    Classic Compressor at a fair price !
    The Comp-3A is a very nice compressor, its action is sweet and natural due to the optical cell.
    It is easy to setup and need no technical knowledge to achive great sound since it doesn't have that many controls. It's very forgiving even if you push it a bit too much. Read more
    Warne Livesey
    May 3, 2019
    Excellent clone, particularly for the price
    I liked this compressor so much I immediately bought a second once I tried it out in the studio. We even A/B'd it with an original LA3a (with the Clearmountain mod) and we chose to use the GA Comp-3a in preference. The Comp-3a was more open sounding. The LA3a sounded tired by comparison. Read more


    Save 20.1%, MSRP $925.00
    Free shipping in Canada. Conditions
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