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Klark Teknik DN500 Plus – No Longer Available

Dual-channel compressor/limiter/expander

Product Description

The Klark Teknik DN500 Plus series utilises a ‘THAT’s’ chip which features lower distortion, improved dynamic range and faster slew rate.

The DN500 Plus is our dual compressor / limiter / expander which is characterised by its extremely quiet operation, typically >2dB quieter than any comparable product. This alone has made it a broadcast-industry standard for many years. The two channels are linkable for true stereo operation, and both the compressor and expander sections are fitted with their own sidechain inputs.


  • Two channels of full function compression, expansion, limiting and peak clipping in one unit of rack space
  • Variable knee control for compression styles from hard to easy
  • Auto attack/release mode for inaudible compression and easy set-up
  • Manual attack/release mode for creating compression effects
  • Advanced VCA design for extremely low noise and distortion
  • Flexible expander section features variable ratio for gentle expansion or hard gating
  • Separate side chain inputs are provided for compressor and expander sections
  • A peak limiter with variable threshold and programme related release provides additional protection
  • Peak clipper eliminates transient overload and tracks limiter threshold for total protection
  • Additional features include stereo link function, gain reduction meters for both compressor/expander sections and output level meter

Product Specifications

Condition New
Tube or Solid State Solid State
Channels Dual-Channel
Chassis 19-inch Rack-mount
Rack Spaces 1u
Digital I/O No

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.