Description
The Radial Engineering JDI Stereo is a high performance 2-channel passive direct box for live concert touring and professional recording applications, featuring premium Jensen transformers for exceptional audio performance. The Radial JDI Stereo is a two-channel passive direct box that is equipped with two Jensen audio transformers. These amazing devices not only balance the signal, but also lower the impedance to allow long cable runs without noise. Each transformer features a unique nickel core stack, proprietary winding technique, dual faraday shields to eliminate high frequency noise, and a protective outer MuMETAL can to protect against external fields. This results in exceptionally low distortion of all types while being able to handle extreme transients at all frequencies. With its heavy-duty steel shell and internal I-beam construction, the JDI Stereo is designed to work dependably for years in even the harshest of touring environments. The JDI Stereo is quite simply the world’s finest passive stereo direct box.
Pure sound of the instrument
The Radial JDI Stereo is a passive two-channel direct box designed to handle extreme signal levels without distortion of any kind. It employs two world-class Jensen JT-DB-EPC audio transformers to deliver a smooth, warm sounding Bessel curve, reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase deviation, the JDI Stereo delivers the natural, pure sound of the instrument without artifact. By its no-power passive design, the JDI Stereo performs both high-to-low impedance conversion and signal balancing over a magnetic bridge that passes signal while rejecting stray DC voltage. This makes it particularly adept at eliminating hum and buzz caused by ground loops.
Two basses connected to amps and PA
The JDI Stereo is perfect for sending the pure bass signal to the PA system. Use the Thru connectors to feed two channels on your amp.
Stereo laptop with controller keyboard
The Jensen equipped JDI Stereo is able to gracefully handle extreme transients from your digital piano, laptop or DJ mixer without choking.
Two acoustic guitars connected to the PA
The smooth sounding Jensen transformers smooth out the peaks from your acoustic guitar to produce a nice rich, warm tone.
Product Specifications:
Audio circuit type: Passive, transformer based
Transformer: Jensen JT-DBE
Number of channels: Two channels (dual mono)
Frequency response: 20Hz ~ 20KHz (± 0.2dB)
Dynamic range: 135dB
Total harmonic distortion: 0.05% from 20Hz ~ 20kHz @-10dB
Phase Deviation: 0.3° @ 100Hz; 3° @ 20Hz
Input Impedance: 140k Ohms, unbalanced
Output Impedance: 150 Ohms, balanced
Maximum Input: +21dB @ 20Hz ~ 20kHz
Input Connectors: Unbalanced 1/4"
Output Connectors: XLR out, 1/4" thru
Construction: 14-gauge steel chassis & outer shell
Power: Passive, no power required
Conditions: For use in dry locations only between 5°C and 40°C
Dimensions (L x W x D): 5" x 3.3" x 1.8" (127mm x 84.1mm x 45.5mm)
Weight: 1.55 lbs. (703 grams)
Shipping dimensions (L x W x D): 6.5" x 4" x 3" (165mm x 102mm x 76mm)
Shipping Weight: 1.92 lbs. (870.9 grams)
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Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.