The COMP-54 is a one-channel vintage style Compressor. The signal path uses only discrete components like resistors, capacitors & transistors. The line input & output are transformer balanced & the unit also has a third interstage transformer.

This is the way audio components were built before integrated circuits became available. IC´s are small & cheap & they are widely used in most modern designs. It is clear though that audio components built with modern technology doesn´t always provide the best perceived sound quality or character that the modern user desires

The class-A circuit used in the COMP-54 is similar to the one in the classic 2254 compressor that was designed in 1969. It quickly became a legend due to it´s totally unique sound character that is warm, smooth, sweet & musical. These characteristics have been heard on countless recordings through the years

The COMP-54 uses a diode bridge as the gain control element, a method that is revered for its smooth way of operation. Some of the most sought after vintage compressor designs, like the 2254, 2264, 33609, Siemens™ & EMI™ used the same basic design

The controls in the COMP-54 are very flexible covering broad ranges of Ratio, Attack & Release times, including two Auto positions. All controls except the Gain make-up one are stepped for easy resetting & stereo matching. There are 3 selectable sidechain high pass filter frequencies available to handle special situations. The Bypass switch is a true bypass where a relay switches the complete circuitry in or out. The IN/OUT switch makes it possible to switch the compression on & off while retaining the coloring from the transformers & the electronic circuitry

The meter can show output level or gain reduction. It is also possible to link two units for stereo operation

New for the MKIII

• Improved knobs & switches; all controls except make-up gain one are stepped
• Improved signal-to-noise ratio
• In-line 1/4" insert positioned before the make-up gain

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