Radial JDI Passive Direct Box
The Radial JDI direct box is the world’s fi nest passive DI. The JDI has been
optimized to handle extreme transients without introducing distortion or coloration
to the sound.
Because of the transformer, the JDI provides 100% isolation between the instrument
input side and the balanced output, eliminating hum and buzz caused by ground
loops. Ground loops are most prevalent when interfacing equipment with AC power
such as keyboards and guitar amplifi ers. Most passive DIs sound terrible because
they use inexpensive iron or steel core transformers. This causes phase shift
at various frequencies known as group delay, which has the effect of making
bass sound indistinct and lack punch and causes mid-range to smear. This makes
mixing more diffi cult.
The Radial JDI employs a Jensen transformer with a nickel-laminated core. Nickel
does not retain a memory or polarity. This has the net effect of reducing phase
distortion, improving linearity and lowering harmonic distortion. Fix the problems;
you get great sound.
The Radial JDI does not require 48V phantom-power or a battery. You just plug
in and play.
Features:
• Best-sounding passive DI in the world • Authentic Jensen transformer
• Linear from 10Hz ~ 40kHz • Extraordinary level handling without distortion
• Built to survive the road • Ideal for acoustic guitars and basses • Keyboards,
modules and electronic drums • Great with high-output, electronic instruments
• Eliminates hum & buzz in sound systems • ‘Plug-&-play’ easy-to-use! • No battery
or phantom-power required • Impossible to overload! • Up to 8 may be rack-mounted
with the J-Rak • 3 year transferable warranty
| $ 469.00
$ 412.00
(shipping $12.00)
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Specifications
- Frequency Response: 10Hz~30kHz (+/-1dB)
- Residual Noise: -93dB @1V-RMS
- Distortion (20Hz ~ 20kHz): <0.015% @1V-RMS (1.2kOhm load), <0.5%
@5V-RMS (without load)
- Phase Deviation: <5 @100Hz
- Intermodulation Distortion: 0.07% (DIN standard)
- Input Impedance: 10kOhms ~3.9MOhms
- Output Impedance: 600 Ohms
- Input Pad (speaker): -30dB
- Output Pad: -15dB
- Power Requirement: Custom 30V supply
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