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JDK Audio V12
500 Series Single Channel Compressor

OUR PART #:  V12

The JDK Audio V12 is a single channel compressor featuring API's patented award winning compressor circuit.
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Our Price: $660.25
List Price: $695.00
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JDK Audio V12
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The JDK Audio V12 is a single channel compressor featuring API's patented award winning compressor circuit. This is the same compressor circuit originally designed into the ATI Paragon mixing consoles. The V12 conforms to API's 500 Series format and is a member of API's VPR Alliance.

The unit includes the patented THRUST® circuitry to protect the sensitive high frequency content of the audio signal even under the most vigorous of compression ratios. The perfect companion to your V10 mic-preamp and V14 EQ, the V12 compressor provides comprehensive easy-to-use control of the audio signal with concise LED metering of both output and gain reduction. Two channels can even be linked for use as a stereo compressor with true RMS power summing of the left and right signals.


  • Patented THRUST circuit
  • Variable Threshold, Ratio, and Make-up Gain controls
  • Individual metering of output level and gain reduction
  • Above threshold LED indication
  • Switchable Hard or Soft Knee compression
  • Switchable In or Bypass mode
  • Linkable for stereo operation with true RMS power summing
  • Fully balanced XLR input and output.


  • Front Connector:  None
  • Rear Connector:  API 500 Series Edge Connector
    -  Balanced Input (pin 2 hot) on edge connector
    -  Balanced Output (pin 2 hot) on edge connector
    -  Input Impedance:  15KOhms Balanced
    -  Bandwidth:  +/- 0.5 db, 20Hz - 50kHz
    -  THD+N @ 1kHz, +4dBu: <0.005%
    -  Maximum Level:  +19dBu
    -  Signal-to-Noise Ratio:  -88dBu (comp in), -92dBu (bypass), -106dB
    -  Crosstalk:  <84dB @ 20kHz
    -  DC Bus Link:  Switchable common summed DC Bus Link
    -  Meter:  -20 to +3 VU Output Level, 0 to -15 dB Gain Reduction, switchable
  • Compressor Controls:
    -  Threshold Range:  -40dBu to +15dBu
    -  Ratio Range:  1:1 to 10:1
    -  Makeup Gain Range:  0dB to +20dB
    -  Hard or Soft Knee switchable
    -  Flat or Thrust side chain filter switchable
    -  Attack Time:  Program and Control Adaptive, 10mSec to 40mSec
    -  Release Time:  Program and Control Adaptive, 30mSec to 400mSec
  • Power Consumption:  +/- 16VDC @ 105mA
  • Size:  1.5" x 5.25" x 7" (38 x 133 x 178 mm)
  • Weight:  1 lb (0.45 kg)

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