SPL Sound Performance Lab DynaMaxx
2-Channel Rackmount Compressor


Our Price: $1,099.00
List Price: $1,199.00
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The DynaMaxx compressor/limiter/noise gate offers disarmingly ease of use with signal-dependent automation of time constants. It also premiers unique de-compression features to regain vitality e. g. from over-compressed audio files.

The DynaMaxx is ideally suited when unobtrusive, musical compression results and reliable set and forget operation are most important. SPL's unique Double VCA Drive technology employs two excellent VCAs in a differential mode for maximum transparency, dynamics, and lowest distortion values. I/Os: both XLR connectors and 1/4 inch TRS stereo jacks for balanced operation.


  • Compression:Sets the amount of compression where the degree of gain reduction is continually monitored via the LED meters.
  • Gain: Restoressignal levels that have been reduced by the compressor action. Also compensates for any gain increase in De-Compression mode.
  • Soft Limit: Switches between Compression mode and Soft Limit mode for a very gentle soft-knee characteristic with minimized audible side effects.
  • Effect Compression: Sets Release time to a fixed 60ms
  • De-Compression:Converts the compressor to an upward expander that allows to de-compress highly compressed audio signals that have been overcompressed.
  • Stereo Couple:Ensures that both channels produce the same degree of gain change, maintaining a coherent and stable stereo image.
  • Noise Gate:Each channel incorporates a Noise Gate with ARC (Auto-Release-Circuitry).
  • Metering:Both channels of the DynaMaxx are equipped with a 20-digit LED ladder meter displaying gain changes to a resolution of 1dB. The displayed values range from -10dB to +9dB. Each channel also has an additional Signal LED which illuminates when the input signal is hotter than -40dB.
  • Side Chain: Both left and right channels have Side Chain inputs.


Inputs and Outputs:

  • Instrumentation amplifier, electronically balanced (differential), transformerless
  • Nominal input level: +6dB
  • Input impedance: 22kOhm
  • Output Impedance: <600Ohm
  • Max. Input Level:  +24dBu
  • Max. Output Level: +22.4 dBu
  • Minimum load: 600 Ohm
  • Relay Hard-Bypass/Power Fail Safety


  • Frequency Response: 20Hz - 100 kHz (100kHz = -3dB)
  • CCMR: -80 dBu @ 1 kHz
  • THD&N: 0.002% @ 1kHz
  • S/N CCIR: 468-3:  -89 dBu
  • S/N A-weighted: -105 dBu

Power Supply:

  • Torroidal transformer 15 VA
  • Fuse 315 mA
  • Ground-Lift Switch
  • Voltage selector


  • Housing Standard EIA 19"/1U, 482 x 44 x 237 mm
  • Weight: 3.4 kg
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