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Radial JDI Duplex Stereo Direct Box

Radial

Radial JDI Duplex Stereo Direct Box

$719.99
RRP $869.00
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The Radial JDI Duplex is a full-feature, stereo passive direct box designed to enhance connectivity, reduce noise, and simplify the hectic life of the touring professional, broadcast engineer or AV integrator.



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Plug And Play Stereo Direct Box for High Output Sources
The Radial JDI Duplex is a full-feature, stereo passive direct box designed to enhance connectivity, reduce noise, and simplify the hectic life of the touring professional, broadcast engineer or AV integrator. It is plug-and-play easy to use while delivering the utmost sonic quality.

Virtually Zero Phase & Harmonic Distortion
Like the Radial JDI, the Duplex employs two high-performance 'made in the USA' audio transformers and the same pristine audio signal path that has made the JDI the industry standard. It features exceptional signal handling with virtually zero phase shift or harmonic distortion, while remaining linear across the entire audio spectrum. When driven to extremes, the natural transformer saturation and resulting warm Bessel curve makes the Radial Duplex the perfect choice for smoothing out highly dynamic instruments such as digital pianos and electronic drums that can sound harsh when pushed. Transformer isolation provides the additional benefit of eliminating troublesome ground loops that can cause hum and buzz in the audio system or interfere with video displays.

Exceptional Build Quality
This 'Swiss Army knife' DI is equipped with ¼' connectors for instruments, RCA connectors for unbalanced -10dB consumer electronics and XLR inputs for +4dB professional line sources. Radial's innovative book-end design provides protective zones on the front and rear to keep connectors and switches out of harm's way. The 14 gauge I-beam inner frame adds tremendous rigidity to eliminate outside stresses that could torque the PC board and cause premature solder joint and trace failure. The steel outer shell couples with the transformer's mu-metal shield to protect against stray magnetic fields from power transformers or lighting systems that could cause interference. Finally, a full-bottom no-slip pad works double-duty by providing both mechanical and electrical isolation. The Radial Duplex delivers outstanding connectivity, superlative audio and quiet dependable performance.

Additional Features:

Ultra linear response from 10Hz to 40kHz

Eliminates hum and buzz from ground loops

The Duplex… the World's Finest Passive Stereo Direct Box.

Duplex with Stereo Keyboard
The Duplex is able to withstand huge transients without distortion. This gives digital keyboards a warm, smooth vintage tone.

Duplex with Two Stereo Sources
With the dual stereo architecture, the Duplex can easily be set up to handle two different stereo sources at the same time.

Duplex in Multimedia System
Whether you have a CD player, iPod, computer or professional +4dB balanced source, the Duplex can handle any situation.

User Manual

View PDF brochure for Radial JDI Duplex Stereo Direct Box
By: Ron M (Sydney, Australia) on 3 July 2014
I deliberately waited for mine to have undergone several hard months "on the road" before writing this review. Suffice to say that even though my DI collection includes a venerable pair of the legendary BSS AR-116s, (still going strong and sounding clean after nearly 30 years) I honestly think that THIS is undoubtedly the finest DI I have ever experienced, bar none. As always, the folks at Swamp Industries delivered it promptly at a price that was highly competitive against any in the world, which would've been of no use whatsoever if the product itself didn't stack up... ...but it does a heck of a lot more than that !
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MPN: RA-Duplex

ID: 32544