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Radial JDI Duplex MK4

Pro Stereo Direct Box

Item # 63090

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Now with dual -10dB RCA connectors and dual +4db XLR inputs. Passive DI employs a Jensen isolation transformer for optimum audio performance offering outstanding linearity at all frequencies, combined with extraordinary level handling without introducing distortion. The completely passive plug & play JDI does not require any power and has the unique advantage of eliminating 60-cycle ground loops. This makes it a definite favorite with informed audio engineers. Great for guitars, bass, and keyboards and particularly adept with high-output, broadband instruments such as active instruments and digital keyboards. May be rackmounted using the J-RAK Adaptor (not included).

Housed in a 14 gauge steel welded I-beam chassis, it protects all connectors and switches with a unique book-end design. The input panel is equipped with a pair of 1/4" and RCA inputs and thru-puts. A unique Merge function provides passive mix to convert the in/thru routing into a stereo-to-mono mix function-a valuable channel saver for large keyboard rigs and multiple audio sources. Each channel is also outfitted with a 10kHz low-pass filter to eliminate high-frequency system noise and a 15dB pad for greater source control. A switch on each channel allows the user to select the XLR male input. This simultaneously introduces a 20dB pad to allow high output +4dB line level devices to interface into snake systems and splitters without requiring an external attenuator. The rear panel features the XLR inputs and outputs along with polarity reverse and ground lift.

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MPN: R800 1020
UPC: 676101034093

  • -10dB RCA connectors
  • +4db XLR inputs
  • Jensen transformer-equipped passive DI
  • 100% isolation eliminates ground loops
  • Virtually zero phase & harmonic distortion
  • Exceptional signal handling
  • High common mode noise rejection

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