C2584 Stereo Colour Processor 

$189.00 ex. VAT

  • Mix and Match HRK 500 Products!
Promo Qty Discount
500 Mix & Match 2 - 3 10%
500 Mix & Match 4 - 5 15%
500 Mix & Match 6 + 20%


C2584 | 2 Channel (Stereo) Colour Processor 

  • Save Your Money and Space in 500 Rack!
  • 2 Colour Slots per Channel – 4 In Total
  • High-Quality ALPS Potentiometers
  • 0.2dB Matching Between Channels
  • Stereo Balanced Inputs
  • Stereo Balanced Outputs
  • Individual Bypass Switch for Each Colour Module
  • Studio Grade Opamps
  • Output Adapter Included
  • Compatible with DIYRE Colour Format
  • Direct Sale – Save on Distributors Fee!

C2584 is a Dual Mono (Stereo) Colour Processor unit which fits in a single 500 rack space. C2584 can be used for Mastering and to process line level signals from DAW or electronic instruments.

Each Channel has 2 Colour Module Slots compatible with DIYRE Colour Format – 4 Colour Modules in total per single 500 rack space.

Left and Right channels can be connected in series (with additional TRS cable) to use all 4 Colour Modules in Mono configuration.

Left and Right channels have separate balanced Line Inputs on the Front Panel. Pair of standard TRS cables is required to process the stereo signal or two independent tracks.

Use your favourite Colour Modules to do the Mastering of your finished Stereo MIX.

C2584 is Easy to Use!

Each Channel has INPUT LEVEL control knob and OUTPUT LEVEL control knob. Each of the 2 Colour Modules (per channel) can be bypassed by individual Bypass Switch. Each channel has a total gain of +18dB.

The level of the signal which is sent to the Colour Modules is controlled by the INPUT LEVEL (L or R) knob. The OUTPUT LEVEL (L or R) knob controls the level of the output signal from the Colour Modules, which is also the output level of the C2584 unit.

All control pots are carefully matched to ensure correct stereo operation. C2584 is perfect for post-processing and Mastering!

The C2584 has High Headroom balanced line inputs based on Studio Grade Texas Instruments operational amplifiers.

You can safely send hot signals from your DAW system to saturate Colour Modules.

Review Video:

User Manual:

Please read the User Manual before the use of the C2584.

C2584 User Manual


The Main FAQ Section

Read more about the Colour Modules Idea – Colour FAQ Section


Item Condition

Brand New, Assembled and Tested.

Every single HRK product is carefully tested with Audio Precision test equipment before the shipping to ensure hassle-free operation.

Payment & Shipping


All Items are dispatched from the European Union within 1-3 working days.

We offer fast worldwide UPS shipping with tracking.

FREE delivery is available for orders over the 249USD to EU, USA and Canada.

FREE delivery is available for orders over the 299USD to Australia, New Zeland, Japan and other destinations.

Please check the shipping cost during the checkout.

Delivery to other WorldWide destinations – 24.99USD

EU Business Customers

All prices exclude the VAT Tax.

If you have the EU VAT number you can purchase the products available in the Bart HRK Shop with no VAT Tax.

Please enter your EU VAT Number at the checkout and the VAT will be deducted from the Total Payment.

Non-EU Customers

Customers from outside the EU can purchase the items with no VAT.

Please select the destination country and the VAT will be removed automatically.

If the VAT is not removed, please email customer service via the contact form and custom invoice will be issued.

Orders from the USA below 800USD are customs tax-free.

Payment Options:

You can pay for your order with any Credit Card



Input impedance: 10kOhm

Output impedance: 100R

Phase inverse: none

Gain: 0dB

All HRK Colour Modules are fully compatible with DIYRE Colour Format

All HRK Colour Processor and Preamps fully compatible with DIYRE Colour Format

All HRK 500 products are fully compatible with API 500 Format

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