DISC JDK R22 Dual Channel Compressor - API

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Key Features

  • Balanced XLR and 1/4" Inputs and Outputs
  • 'THRUST' Circuitry
  • Switchable Hard Or Soft Knee Compression
  • Custom VU Metering Of Both Output And Gain Reduction
  • Vintage Design

DISC JDK R22 Dual Channel Compressor - API Overview

View this description in Danish

The JDK R22 Dual Channel Compressor is a powerful and versatile compressor that features API's patented award winning compressor circuit in a rack mount unit. The compressor circuitry is borrowed from the ATI Paragon mixing consoles, ensuring a high quality sound. Each channel in the R22 includes ATI's 'THRUST' switch to safeguard the high frequency content of an audio signal, even when pushed to the limit. The R22 is the perfect accompanying unit to the R20 mic-preamp and R24 EQ, allowing for added versatility. With its comprehensive functionality and straight forward design, this compressor is ideal for any studio setting.

Product Ref: 61746

Full Description

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API's Patented 'THRUST' Circuit

The THRUST circuitry found in the R22 is a flagship component of API. The patented circuit allows the user to the minimise the harsh high frequency content of an audio signal even under the most extreme compression ratios. This gives you more control over your audio spectrum, ensuring that the higher frequency band retains its clarity.

A Brief History Of JDK Audio

JDK Audio is a brand developed and engineered by API (Automated Processes, Inc.), a company that has been around since the late 1960s. While API has a stellar range of audio products that are benchmarks of the recording world, JDK Audio decided to embark on a product line that would allow their engineering team to develop new ideas that they have been wanting to put into motion for many years.

With API's stellar reputation in the professional audio world, JDK Audio was born out of a desire to expand the creative options available at API with no boundaries and restrictions, enabling them to make these new ideas come to fruition.

Features

  • Patented THRUST circuit
  • Variable Threshold, Ratio, and Make-up Gain controls
  • Switchable metering of output level and gain reduction
  • Above threshold LED indication
  • Switchable Hard or Soft Knee compression
  • Linkable for stereo operation with true RMS power summing
  • Custom VU metering of both output and gain reduction
  • 2 channels of API's patented award winning compressor circuitry
  • Fully balanced XLR and 1/4" inputs and outputs

Specifications

  • Inputs: Balanced XLR and 1/4" jack (1/4" normalled priority)
  • Outputs: Balanced XLR and 1/4" parallel jacks
  • Power Consumption, Quiescent: 7.81 Watts
  • Input Impedance: 15K Ohms Balanced
  • Bandwidth: +/- 0.5 dB, 20 Hz - 50 kHz
  • THD+N @ 1 kHz, +4 dBu:
  • Maximum Level: +19 dBu
  • Signal-to-Noise Ratio: -88 dBu (comp in) / -92 dBu (bypass) / -106 dB
  • Crosstalk:
  • Stereo Link: True RMS Power Summing
  • Meter: -20 to +3 VU Output Level, 0 to -15 dB Gain Reduction, switchable
  • Threshold Range: -40 dBu to +15 dBu
  • Ratio Range: 1:1 to 10:1
  • Makeup Gain Range: 0 dB to +20 dB

For more information on the R22 please refer to the PDF above.

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