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Radial JDI - Passive single channel DI with Jensen transformer

The JDI is a high performance passive direct box for live concert touring and professional studio recording applications, featuring a premium Jensen transformer for exceptional audio performance.


The Radial JDI is a phase coherent, passive direct box employing a nickel laminated Jensen® audio transformer with virtually zero phase distortion, huge dynamics handling and ruler flat response from 10Hz to 40kHz. The Radial JDI is quite simply the world’s finest passive direct box. With its heavy-duty steel shell and internal I-beam construction, the JDI is designed to work dependably for years in even the harshest of touring environments. Ideal for keyboards, bass and acoustic instruments of all kinds, the JDI Duplex and JD6 are also available for stereo and multi-channel applications.


Audio circuit type:Passive, transformer based
Number of channels:Single channel (mono)
Frequency response:20Hz ~ 20KHz (± 0.2dB)
Dynamic range:135dB
Total harmonic distortion:0.05% from 20Hz ~ 20kHz @-10dB
Phase Deviation:0.3° @ 100Hz; 3° @ 20Hz
Input Impedance:140k Ohms, unbalanced
Output Impedance:150 Ohms, balanced
Maximum Input:+21dB @ 20Hz ~ 20kHz
Input pad, Mono Sum, 180° polarity reverse, Ground lift, Speaker filter
Construction:14 gauge steel chassis & outer shell
Finish:Durable powder coat
Size (L x W x D):5" x 3.3" x 1.8" (127mm x 84.1mm x 45.5mm)
Weight:1.55 lbs (703 grams)
Shipping size (L x W x D):6.5" x 4" x 3" (165mm x 102mm x 76mm)
Shipping weight:1.92 lbs (870.9 grams)
Power:Passive, no power required
Conditions:For use in dry locations only between 5°C and 40°C
Warranty:Radial 3-year, transferable

Radial JDI - Passive single channel DI with Jensen transformer

$479.00 Regular Price
$385.00Sale Price
GST Included
Out of Stock Items might take up to 2-5 weeks to complete
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