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HomepageCables & AccessoriesD.I. › Radial Engineering JDV MK5
Radial Engineering JDV MK5

The Radial JDV is a class-A direct box with a unique zero negative-feedback circuit that delivers unmatched signal purity for the most demanding recordings.

The Radial JDV Mk-5 is a high performance active direct box and preamp with two inputs that enables the user to seamlessly transition from one instrument to another while being able to optimize the signal chain no matter what the source.
The design begins with 100% discrete electronics and a unique class-A circuit with zero phase-cancelling negative feedback front-end. This is augmented with Drag Control load correction that lets you optimize the impedance that is being applied to the pickup along with extra rail voltage for an abundance of headroom. The result is virtually zero harmonic, phase and cross-point distortion resulting in the most natural rendering without coloration or artifact of any type.

Central to the design is the JDV's ability to handle any type of instrument. Input-1 is equally well suited for magnetic pickups or active instruments and is equipped with a balanced mic input with 48V phantom to accept instrument-mounted condenser mics. Input-2 adds another dimension with a high 10 meg-ohm input to properly load piezo transducers. Both inputs may be active at one time and mixed together using the front panel controls. These can then be phase-aligned using the built-in Radial Phazer for what can only be deemed the most natural sounding reproduction of an acoustic instrument ever.

Extra features include fully variable high-pass filters on each channel to eliminate excessive low frequency resonance, easy-read LED level meters, isolated outputs to eliminate hum and buzz caused by ground loops and a +4dB line level output for direct recording. Switching between channels may be done using a front panel switch or via the optional JR2 remote control.

The Radial JDV-Mk5... the only DI you will never hear!
  • 100% discrete class-A active direct box
  • Feed forward design - no negative feedback
  • Drag™ control load correction for natural tone
  • Huge 30-Volt rails for exceptional headroom
  • Specifications
  • Instrument input circuit : without negative feedback
  • Instrument clip level : +18dBu
  • Microphone input circuit : Low noise integrated circuit
  • Microphone clip level : -11dBu
  • Frequency response 20Hz - 20KHz
  • Dynamic range : 107db
  • Equivalent input noise : -90dbu
  • Common mode rejection : -80dB
  • THD+N : 0.004%
  • Clip level - output : +17dBu
  • Gain - instrument input : +25db
  • Gain - line level boost : +20dB
  • Gain - microphone input : +25db
  • Input Impedance : Drag on: Variable from 22K ~ 500K
  • Drag off: 10M
  • Output impedance at XLR : 400

  • Features
  • Instrument inputs : 1/4" selectable A or B with front panel switch or remote
  • Blend : Mixes both A and B channels together
  • Drag Control : Load correction for 1/4" instrument inputs
  • High-pass filter : Variable from 5Hz ~ 500Hz @ -3dB
  • Remote footswitch : Optional JR-2 for mute and channel select
  • Mic input : 1/4" TRS on channel-A
  • Phantom power : 48V on mic input, side access switch
  • Phase adjustment : Phazer on channel-B, variable from 0° ~ 360°
  • Throughput : Buffered THRU with direct or isolated setting
  • XLR output : Balanced mic level with 20dB line booster switch
  • Isolation : Transformer isolation option for XLR output
  • 180° Polarity : Reverses pin-2 and pin-3 on the XLR output
  • Ground lift : Disconnects pin-1 at XLR output
  • XLR configuration : AES standard pin-1 (ground), pin-2 (+), pin-3 (-)

  • General
  • Power : External 100V - 240V AC with 48V phantom
  • Construction : 14-gauge steel chassis and outer shell
  • Finish : Durable powder coat
  • Size : Size: 5" x 6.25" x 2" (127 x 159 x 51mm)
  • Weight : 2.80lbs (1.28 kg)
  • Conditions : For use in dry locations only between 5°C and 40°C
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    Additional information
    For more information about the JDV MK5, please visit the website of Radial Engineering
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