Radial Engineering JDI Passive DI Box

Radial EngineeringSKU: R800 1010 00

Price:
Sale price €279.00

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.

Pure Sound of the Instrument

The Radial JDI is a passive direct box designed to handle extreme signal levels without distortion of any kind. At the heart, the Radial JDI employs the world class Jensen JT-DB-EPC audio transformer delivering a smooth, warm sounding Bessel curve, reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase deviation, the JDI delivers the natural, pure sound of the instrument without artefact. By its no-power passive design, the Radial JDI performs both high-to-low impedance conversion and signal balancing over a magnetic bridge that passes signal while rejecting stray DC voltage. This makes the JDI particularly adept at eliminating hum and buzz caused by ground loops.

JDI Applications

JDI with bass and thru for amp

JDI with Electric Bass

The JDI is often selected for high output bass guitars. It is able to handle huge signal levels without distortion or artefact. On stage it sends the pure sound of the bass to the PA with minimal loading. In studio, it is perfect for recording direct.

JDI with acoustic

JDI with Acoustic Guitar

Most acoustic guitars have built-in preamps that can be peaky. The JDI naturally smoothes out the transients for a warmer tone. And because the JDI is able to handle huge transients, it will not distort. This makes the JDI a great direct box for acoustic guitars.

JDI with stereo keyboard with merge function

JDI with Keyboards

Today's digital keyboards are not only very dynamic, some like digital pianos have a tremendously wide frequency response. The Radial JDI is able to withstand excessive signal levels at all frequencies without introducing distortion or phase shift.

Specifications

 

Audio circuit type:

Passive, transformer based

Transformer:

JT-DB-EPC

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

Features

Input pad, Mono Sum, 180° polarity reverse, Ground lift, Speaker filter

General

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

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