The Lexicon Model 200 is a rather obscure digital reverberator, but a true hidden gem for those who can still find one of these units as they are extremely hard to come by nowadays. Produced between 1982 and 1985, Model 200 was designed as a tour-rugged compact 3U rack-mount version of the 224 reverb systems, porting the highly coveted reverberation algorithms from the 224 and 224X models. These algorithms were not included in any of the succeeding Lexicon units, a feature which makes this unit very appealing to today's engineers and producers.

The Lexicon Model 200 Digital Reverberator features 6 programs:

  1. Halls
  2. Plates
  3. Chambers
  4. Rich Plates
  5. Rich Split
  6. Inverse Room

The unit features:


  • Size control – dramatically increasing the versatility of each program.
  • Adjustable pre-delay and reverb time.
  • Selectable pre-echoes, diffusion, reverb time contour, and roll off.
  • On-board mixing.
  • Programmable nonvolatile memory for storing up to 10 user modifications with instant recall.
  • Human-engineered panel controls for easy, intuitive operation.
  • Remote control functions for stage performances.
  • Input level switch to accommodate a wide range of instruments and input sources.
  • Balanced input and output connections with a maximum level of +24 dBm.


The unit is mainly known for two of its algorithms - Chamber & Hall. The algorithm developers at Lexicon have acknowledged that they enjoy attending classical music concerts for the ambient qualities of those concert halls - these were the inspiration for their reverb algorithms.

One of the reasons why the "classic era" Lexicon reverbs are unique is the fact that they employ time variation in their algorithms in the form of moving delay lines or time-varying output taps. They also have an inherent form of program dependency whereby different input volumes result in dynamically-augmented reverb time and other interactive parameters - similar to a how a natural reverbrant closed space reacts to sound waves.  This creates a very rich, constantly evolving reverb. This type of reverberation is classed as non linear time variant.  The succeeding Lexicon reverbs starting with the PCM series are linear time variant (with the exception of the Concert Hall algorithm in the PCM70) and do not implement the varying algorithms of the "classic era" models.  While modern convolution techniques can replicate linear time variant reverbs, they cannot reproduce the constantly evolving nature of the nonlinear class.  This is why software reverbs often won't sound like the "classic era" Lexicons. Another reason for the superior sound of the Lexicons is the A/D and D/A converters which are far more advanced than some "prosumer" digital interfaces currently on the market.


  • Frequency Response: 20Hz-10kHz
  • Dynamic Range: 84dB
  • THD: 0.04%

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