Golden Age Comp3a Discreet Optical Compresser Limiter

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Product Description

A one channel vintage style Compressor / Leveler, the COMP-3A's signal path uses only discrete components like resistors, capacitors and transistors. The input and output is transformer balanced, using two different transformers, each one optimized for its purpose. This is the way audio components were built before integrated circuits became available.

Golden Age Comp3a Discreet Optical Compresser Limiter Features

  • Vintage style electronics. No integrated circuits in the signal path.
  • Transformer balanced input and output. Can drive almost any load - balanced or unbalanced.
  • Selectable output transformer loading resistors by an internal jumper, will affect the high end frequency response.
  • Uses a classic T4-style electro-optical attenuator to control gain with program dependent attack and release times.
  • Very simple to operate with only two main controls, Gain and Peak Reduction.
  • HF control can make the side-chain circuit more sensitive to mid and high frequency content.
  • A big meter selectable to show gain reduction or output level at two different reference levels.
  • Hardwire bypass switch for easy comparisons.
  • XLR and TRS input and output jacks for flexible connections.
  • Link jack and switch for connecting to another unit for stereo operation.
  • All external controls located on the front panel.
  • External power supply to avoid interaction with the audio circuits and transformers.
  • Compact 2RU half rack format. Two units can be mounted with our 19-inch rack kit, the UNITE BIG.
  • A solid build quality that will last many years of normal use.
Integrated circuits are small and cheap and widely used in most modern designs. The drawback is that audio components built with modern technology doesn't always provide the best perceived sound quality or the type of character that the modern user desires. The subjective sound quality delivered by vintage equipment is often preferred over the one delivered by modern units, a situation that is even more obvious now when music is recorded with clean-sounding digital audio equipment. This is the reason why so many vintage audio components are cloned and produced again and also why the vintage originals are often very expensive on the second hand market.

The circuit used in the COMP-3A is based on a classic design that uses an electro-luminescent panel and a photoelectric cell to control gain. This gives the COMP-3A a unique, program dependent compression characteristics. In addition, the vintage style signal path adds a wonderful and musical character to the sound. The ease of use with only two main controls makes it very simple to achieve the desired sound. These attributes has made the original units a favorite of engineers and musicians worldwide.

warning WARNING: Cancer and Reproductive Harm -

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Helpful Info about the Manufacturer
Phone:  845-978-1189 Warranty:  1 Year

Product Specifications

Customer Reviews

Review: Dominic D Hood Submitted: 3/5/2019

Product Rating5 out of 5 stars.


Wonderful comperssor
Product Rating

Product Review

Great for rap vocals to me

Review: TDJ Submitted: 10/17/2018

Product Rating5 out of 5 stars.

verified buyer


Worth more than its cost !

Product Review

Easy to use compressor .I use this after a WA 76 which catches fast peaks and the impact of the GA 3A was incredible and led me to get the GA 2A as soon as they came out. The GA 3a is a tad brighter than GA 2a and without the 4 tubes , easier upkeep and true bypass switch allows you to see the impact on signal. Love these GA 3a/2a comps and had originally planned to sell the 3a when I got the 2a but no way it's a keeper . Researched that some producers use 1176 ,3a , and 2a all together sometimes to great affect with all using modest amounts of compression .Some situations you wont use tubes and a UA 710 pre allows you to dial them out of the chain and bypass switch on 2a . It's a great time to be recording on a budget but many pros are giving good reviews to most of these clones so it's no leap of faith. All my other compressors got removed from the signal chain and now I see what all the fuss is about with UA gear and plan on owning a few of their comps someday .


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