Radial JDI MK3 Passive Direct Box

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Description

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The Radial JDI is considered by many to be the world’s finest direct box. It is a passive DI that employs a Jensen isolation transformer for optimum audio performance offering outstanding linearity at all frequencies, combined with extraordinary level handling without introducing distortion. Being completely passive, the plug & play JDI does not require any powering and has the unique advantage of eliminating 60-cycle ground loops. This makes the JDI a definite favorite with informed audio engineers. The JDI is great for guitars, bass, and keyboards and is particularly adept with high-output, broadband instruments such as active instruments and digital keyboards. The JDI may be rack-mounted using the J-Rak and is also available in a stereo (2-channel) version called the JDI Duplex and the 6-channel rack-mountable JD6.

Technical Info

Dynamic range: 135 dB

Signal to noise: 119 dB

Maximum input level: +19 dB

Frequency range: 10 Hz - 40 kHz

Linearity 20 - 20kHz: 0.1 dB

Phase coherence:
4 degrees at 20 Hz
0 degrees at 1 kHz

Distortion at 20 Hz: 0.006%

CMR rejection: 100 dB @ 60 Hz

Input impedance: 10 k ohms

Output impedance: 600 ohms

Construction: Welded steel

Finish: Baked enamel

Input connectors: Two 1/4 in. phone

Output connectors: XLR male

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Single-channel version.

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