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Radial Duplex
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Fake Price: $375.00
Real Price: $349.00
Usually Ships Same or Next Business Day ?
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Radial Engineering JDI Duplex Mk4
Description
The Radial JDI
Duplex Mk4 is a full-featured passive DI designed to enhance connectivity for
the touring professional and AV integrator. The Duplex comes equipped with
1/4" connectors for -10dB consumer electronics and XLR inputs for +4dB
professional line sources.
Each Duplex channel employs the same high-performance Jensen audio transformer
as the industry standard Radial JDI direct box and has the same pristine audio
signal path with virtually zero phase, harmonic and linear distortion. Natural
transformer saturation and warm Bessel curve makes the Radial Duplex the
perfect choice for rounding out highly dynamic instruments, like digital
keyboards, that can sound harsh when driven hard. Transformer isolation also
provides the benefit of eliminating troublesome ground loops that can cause hum
and buzz and can interfere with video displays.
Radial's innovative 'book-end' design provides protective zones that shield
connectors and switches from the abuses of professional touring . A welded
I-beam inner frame is designed to eliminate outside stresses that could torque
the PC board and cause premature solder point and trace failure. A 14-gauge
steel shell couples with the mu-metal transformer shield to eliminate stray
magnetic field interference from power transformers and a full-bottom no-slip
pad provides plenty of stay-put and helps reduce electrical coupling from
amplifier chassis hardware.
The Radial Duplex Mk4 is the worlds finest passive stereo direct box.
Radial Engineering JDI Duplex Mk4
Features
- Stereo direct box
for high-output digital sources
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Jensen transformers for warm Bessel curve
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Virtually zero distortion from 10Hz to 80kHz
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Stereo-to-mono merge (Y-mix) on each channel
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Built tough to handle the extremes
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Radial JDI Duplex
Review /
See All ZenPro Audio Reviews Here: Review Page
The Duplex is the stereo version of
the Radial JDI direct box. The Duplex adds -10dB consumer level to +4dB
interfacing between balanced and unbalanced equipment, as well as line level
XLR inputs.
The Radial JDI has been my favorite
passive DI to plug into a mic preamp for years now. One main reason is that it
functions flawlessly and has every feature I want on a DI, but the real reason
is the sound. The onboard Jensen transformer simply provides a highly musical
yet clean sound that sounds great with passive and active output devices. The
JDI features a split throughput to feed the amp while taking the direct
balanced transformer out signal from the XLR jack, ground lift (can be a life
saver!), -15dB pad, and a merge switch that sums a stereo feed to mono. It’s
built like a tank, seriously you could run over it with a car I’m sure with
absolutely no damage.
The sound is clean with a subtle
sheen to it that is classic Jensen. Detailed, super high headroom and no
noticeable distortion mean you get out of it what you feed it. I’ve never had a
situation where the JDI degraded a signal, if anything it delivers a clear but
slightly enhanced version of reality. Bass is deep, synths have all the bite
you want, and it’s a great DI to use when recording a DI track for reamplifying
later! Plugging the JDI into a variety of preamps means you can achieve “color”
elsewhere, another nice reason to own one.
Conclusion: A go to DI for me, super
rugged and never fails. I think it’s one of those “everybody should have one”
devices.
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