Golden Age Project COMP-554 MkII

Item: REC0015788-000
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Mono vintage compressor with diode bridge circuit in API 500 format.  All product info

€ 369.00
RRP*.: € 399.50,  € 369.00 / 1 STÜCK,  incl. VAT, incl. Shipping Costs
or extremely cheap from € 11.18 monthly financing
available soon, estimated to be in stock: Oct 5, 2022
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Product information - Golden Age Project COMP-554 MkII

Golden Age Project COMP-554 MkII Vintage Compressor

  • Classic mono feedback diode bridge compressor with musical vintage character
  • Ratio between 1.5:1 and 6:1 in 5 steps
  • 4-stage switchable side chain filter
  • External side chain input and side chain insert
  • Switchable Air-EQ @30kHz with +0/+3/+6dB
  • Termination function switchable in 2 steps for interesting sound variations
  • Stereo Link function
  • Prepared for retrofitting with Carnhill transformers

The Multifunction Compressor

The Golden Age Project COMP-554 MkII is the 500-series version of the COMP-54 MkII, equipped with several additional functions. It is also a diode bridge compressor with a noble vintage character and is particularly suitable for the discreet and musical compression of already pre-compressed material. Especially in a 2-pack the COMP-554 MkII unfolds its full effect when used on a stereo bus and is a relatively inexpensive alternative to the extremely expensive hardware of other manufacturers. If you want to upgrade the sound of your COMP-554 MkII, you can also upgrade it with Carnhill transformers, which promise a fatter sound with a clearer top end.

Extensive additional equipment

In addition to the characteristic compressor functions (attack, release, ratio, threshold), the COMP-554 MkII offers an extensive side-chain function, an air EQ and an adjustable terminating resistor (TERM). Not only can an external control signal be applied to the detector path, it also features a 3-stage filter with 50, 100 and even 7000Hz cutoff frequency as well as a side chain insert that allows the detector signal to be processed quite freely with an external EQ. The Air-EQ is something special for a compressor and with its characteristic frequency of approx. 30kHz it raises the highest top end of the material very gently, which creates a subtly present sound impression. Finally, the TERM function can be used to change the overall tonal character of the compressor.


  • Manufacturer: Golden Age Project
  • Hardware type: Compressor
  • Multi-band: No
  • Amplifier principle: Transistor
  • Operation: Diode Bridge
  • Number of channels: 1
  • Format: Api 500
  • Ratio values: 1,5 - 6:1
  • Attack value: 0,5 - 50ms
  • Release values: 25 - 1500ms; Auto
  • Blend control: No
  • Side Chain-Filter: 50Hz; 100Hz; 7kHz
  • Side Chain-Insert: Yes
  • Saturation effect: No
  • Additional functions: Air-EQ, Ausgangsimpedanz
  • Transformer balanced: Yes
  • Transformer manufacturer: Custom
  • Power Adapter: External Frame Required
Golden Age Project COMP-554 MkII Product ImageGolden Age Project COMP-554 MkII
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