The JDI Mk3 is a professional direct box that converts hi-impedance instrument signals to balanced low-impedance allowing long cable runs without noise. The JDI Mk3 is ideally suited for all instruments including keyboards, bass guitar and acoustic guitars for use in studio, broadcast and live sound reinforcement.
- Jensen Transformer equipped passive DI
- 100% isolation eliminates ground loops
- Virtually zero phase & harmonic distortion
- Exceptional signal handling
- High common mode noise rejection
The Radial JDI is considered by many to be the world’s finest direct box. It is a passive DI that employs a Jensen isolation transformer for optimum audio performance offering outstanding linearity at all frequencies, combined with extraordinary level handling without introducing distortion. Being completely passive, the plug & play JDI does not require any powering and has the unique advantage of eliminating 60-cycle ground loops. This makes the JDI a definite favorite with informed audio engineers. The JDI is great for guitars, bass, and keyboards and is particularly adept with high-output, broadband instruments such as active instruments and digital keyboards.
Specifications:
- Dynamic range: 135dB
- Signal to noise: 119dB
- Maximum input level: +19dB
- Frequency range: 10Hz~40kHz
- Linearity 20~20kHz: 4° at 20Hz, 0° at 1kHz
- Distortion at 20Hz: 0.006%
- CMR rejection: 100dB at 60Hz
- Input impedance: 10kΩ
- Output impedance: 600Ω
- Construction: Welded steel
- Finish: Baked enamel
- Input connectors: Two 1/4" phone
- Output connectors: XLR male
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