Radial JDI | Passive Direct Injection Box

The Radial JDI Passive Direct Injection Box, renowned for its impeccable performance, is the ultimate solution for musicians and sound engineers seeking flawless audio integration. Specifically designed to meet the demanding requirements of interfacing a stereo keyboard with a professional sound system, this compact stereo direct box offers unparalleled fidelity and reliability. At the core of the Radial JDI are the high-performance Eclipse ET-DB2 transformers, delivering a frequency response from 20Hz to 20kHz with minimal deviation. This ensures that your sound remains pristine, even under the extreme signal levels typical in live performances.

Unlike active circuits, the passive design of the Radial JDI ensures that it can handle vast transients without succumbing to distortion. This is particularly advantageous for digital instruments like pianos, samplers, and drum machines, which often generate excessive dynamics. The transformers skilfully eliminate unwanted hum and buzz caused by ground loops, ensuring that your performance is free from annoying interference.

In addition to its superb audio qualities, the Radial JDI is built to withstand the rigors of professional touring. Its 14-gauge steel chassis and ultra-rigid i-beam skeleton frame offer exceptional durability, preventing stress-induced flexing that could damage the sensitive components. The innovative book-end design further protects connectors and switches, increasing the overall lifespan of the unit. The non-slip pad on the bottom provides both mechanical isolation and electrical insulation, reducing the likelihood of noise. With its warm sound, legendary build quality, and compact form, the Radial JDI remains the top choice for a stereo direct box.

Key Features

• Stereo direct box specifically designed for keyboards
• Delivers smooth, warm sound that mitigates digital harshness
• Capable of handling massive transients without choking
• Can be rack-mounted for easy integration into touring rigs

Specifications

• Audio circuit type: Passive, transformer-based
• Number of channels: Single channel (mono)
• Frequency response: 20Hz ~ 18.5KHz (- + 0.2dB)
• Dynamic range: 128dB
• Maximum input: +18dB @ 20Hz
• Total harmonic distortion: 0.01% from 20Hz~20kHz @-10dB
• Phase deviation: 1 degree @ 100Hz; 8 degrees @ 20Hz
• Input impedance: 140k Ohms, unbalanced
• Output impedance: 150 Ohms, balanced
• Construction: 14-gauge steel chassis & outer shell
• Finish: Durable powder coat
• Size: (W x H x D) 70 x 108 x 44mm (2.75" x 4.25" x 1.75")
• Weight: .54kg (1.2lbs)
• Shipping size: W x H x D: 102 x 76 x 165mm (4.00" x 3.00" x 6.50")
• Shipping weight: 0.61 kg (1.35 lbs)
• Power: Passive, no power required
• Operating conditions: For use in dry locations only between 5 degrees C and 40 degrees C

Package Contents

• Radial JDI Passive Direct Injection Box
• Quick-start guide
• Product documentation