Radial Engineering JD7 Guitar Signal Distribution and Splitting System


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Dale #:RADI-JD7

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  • The Radial JD7 Injector is a guitar signal splitter that is able to drive as many as seven amplifiers at the same time and do so without the noise that often plagues most systems. Designed to spur on creativity, the JD7 is plug & play easy to use, super quiet, and amazingly natural sounding… a guitarist's dream come true and a producer's very best friend.


    • Drive up to 7 amps and effects at the same time
    • 100% discrete class-A buffers with Jensen Transformer isolation
    • Built-in Radial DI with multi-out Reamping™ capabilities
    • Drag control load correction for natural sound

    The JD7 features A or B selectable inputs with Radial's award winning class-A buffering circuit for ultra low distortion. To ensure maximum signal fidelity, Drag Control™ load correction lets you replicate the load on the guitar pickup as if connected to a tube amplifier for the most natural tone. The hi-Z outputs are equipped with high-performance Jensen Transformers for optimal signal transfer. Transformer isolation along with individual ground lifts help eliminate hum and buzz caused by ground loops for cleaner, quieter guitar tracks. 180º polarity reverse ensures all amps play in phase while channels 5 and 6 are equipped with effects loops for greater setup flexibility.

    The JD7 is fully equipped for Reamping: a built-in Radial direct box lets you record a dry track while a separate Reamp™ input is ready for re-recording dry tracks when needed. This enables you to move mics around the room, change amps or add effects to optimize the sound of the recording. And Reamping works equally well on bass, voice and other instruments.

  • Audio circuit type 100% discrete class-A with transformer isolation
    Frequency response 20Hz ~ 20kHz (± 1dB)
    Signal to noise ratio -115dB (0dBu input)
    Dynamic range 125dB (unbalanced input to unbalanced output)
    Noise floor -115dBu (direct output-1)
    -115dBu (isolated outputs)
    Maximum input +13dBu (unbalanced ¼" instrument inputs-A & B)
    +23dBu (balanced line-level reamping input)
    Total harmonic distortion 0.05% @ 1k (direct output-1)
    0.05% @ 1k (isolated outputs)
    0.1% @ 1k (balanced DI mic-level output)
    Inter-modulation distortion 0.2% @ -20dBu
    Input impedance Variable from 10k Ohms ~ 1megaOhm
    Output impedance ¼" unbalanced: 10k Ohms; XLR balanced: 150 Ohms
    Input select A or B selectable inputs
    Input pad -8dB (input B)
    Phase reverse 180º polarity reverse (isolated outputs)
    XLR output Transformer isolated DI out with phase rev. & gnd lift
    XLR input Balanced line-level Reamp input with gnd lift
    Ground lift Isolated channels 2 thru 6; Bal XLR I/O
    XLR configuration AES standard (pin-2 hot)
    Power +15VDC/400mA adapter included
    Construction 14 gauge steel chassis & outer shell, baked enamel finish
    Size 17.5" x 6" x 1.75" (44.5 x15.25 x 1.75cm)
    Weight 7.5 lb (3.4 kg)
    Shipping size 22" x 10" x 4.5" (55.9 x 25.4 x 11.4cm)
    Shipping weight 8lbs (3.63kg)
    Warranty Radial 3-year, transferable
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