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Description

The Radial JDI MK3 is considered by many to be one of the finest passive-operation direct boxes available. It employs a Jensen isolation transformer for optimum audio performance. 60-cycle ground loop elimination and adept handling of high-output, active instruments and keyboards make it discrete and versatile. The Radial DI Box has a steel I-beam construction, baked enamel finish, and protected faceplate that mean it's built to survive.
Features
  • 100% passive design - no phantom power
  • Jensen transformer equipped
  • Dual function inputs w/2 channel merge
  • Polarity reverse switch
  • Speaker level input circuit
  • Ultra-durable welded steel chassis
  • Double sided printed circuit board
  • Protective channel for switches
  • Ground Lift and Pad switches
  • No-slip bottom pad
Specifications
  • Dynamic range: 135dB
  • Signal to noise: 119dB
  • Maximum input level: +19dB
  • Frequency range: 10Hz40kHz
  • Linearity 2020kHz: 0.1dB
  • Phase coherence: 4 degrees at 20Hz
  • 0 degrees at 1kHz
  • Distortion at 20Hz: 0.006%
  • CMR rejection 100dB @60Hz
  • Input impedance: 10kW
  • Output impedance: 600W
  • Construction: Welded steel
  • Finish: Baked enamel
  • Input connectors: Two 1/4" phone
  • Output connectors: XLR male
Warranty
90 day warranty on footswitch and tubes. One year warranty on all other products.

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