Radial JDI Stereo Passive Direct Box
- Passive DI equipped with Jensen transformer
- Eliminates hum and buzz caused by ground loops
- Zero harmonic & phase distortion
- Compact stereo format for double the performance
Radial JDI Stereo is a passive stereo direct box designed to handle extreme signal levels without any distortion. Unlike an active DI, which is limited by the buffer voltage, it uses a pair of Jensen audio transformers that simultaneously balance the signal and reduce impedance to handle long cable runs. No power is required. Just plug it in and it works.
The magic comes from the amazing Jensen in-house transformers, renowned for their ability to properly handle transients, offering a smooth and warm Bessel curve, reminiscent of the best vintage gear. Linear from 10Hz to 40kHz and with virtually zero phase deviation, the JDI Stereo keeps the sound of the instrument natural and pure, without artifacts. In addition to converting the unbalanced Hi-Z signal, the transformers isolate the input from the output, filtering out DC voltage that can cause noise and lead to so-called ground loops. All this allows the audio to pass through without problems.
Features include ¼" input and thru-put connectors as well as a -15dB input pad on each channel. There is also a ground lift switch that raises pin 1 on the two XLR outputs to further reduce hum and buzz caused by ground loops. Ruggedly built to withstand the rigors of touring, the JDI Stereo utilizes a 14-gauge I-beam steel chassis and a unique book-style shell. The innovative design eliminates stress on the circuitry, reducing the possibility of solder joints peeling, while the shell creates a protective zone around the switches and connectors. The steel enclosure works with the mu-metal transformer and internal Faraday shielding to protect the sensitive internal mechanisms from strong magnetic fields, such as those generated by amplifiers, ensuring quiet, hum-free signal handling.
The original Radial JDI has become the most popular passive direct box on professional tours and in professional recording studios around the world, and there is no doubt that the JDI Stereo will follow suit. These features combined have made the Radial JDI the most popular passive direct box on professional tours and an excellent choice for studio use! Radial JDI is the world's finest passive direct box.
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