Radial JDI MK3 Passive Direct Box
Welded I-beam construction, Jensen transformer, military-grade PC board, -15dB pad
Product rated 10.0 out of 10 (2 ratings)
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ADDITIONAL VIEWS:
Main
Inside
Case
Application Shot Back
Application Shot Front
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PRODUCT DESCRIPTION
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 DESCRIPTION
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
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
REVIEWS
Product rated 10.0 out of 10 (2 ratings)
Read 1 Full Review >>
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