Radial Engineering J48 Stereo Phantom Powered Active Direct Box

The Radial Engineering J48 Stereo is a high performance 2-channel active direct box for live concert touring and professional recording studio applications, with the ability to handle extreme transients without distortion while delivering the natural sound of your instrument.

Radial Engineering J48 Stereo Phantom Powered Active Direct Box

Radial Engineering J48 Stereo – Most battery-powered instruments and stereo keyboards can produce up to 7 Volts at maximum volume, easily overloading typical active direct boxes that can handle only about 3 Volts.

The Radial Engineering J48 Stereo, however, uses a unique switching power supply that raises the internal rail voltage to handle up to an impressive 9 Volts. This results in better signal handling and greater headroom.

The increased headroom significantly reduces all types of distortion, allowing the natural tone and character of the instrument to shine through. Additionally, the Radial Engineering J48 Stereo maintains stereo separation between the left and right channels, making it suitable for use with two separate instruments or stereo sources like keyboards.

Features

  • Exceptional headroom & dynamic range
  • Retains the natural sound of the instrument
  • Use with stereo sources or multiple instruments
  • Powered by 48V phantom, no batteries required

 

Using the J48 Stereo with a keyboard
The J48’s active circuit and amazing signal handling makes it a great choice for both digital and old school analog keyboards. A built-in pad reduces the sensitivity if needed.

Using the J48 Stereo with two basses
The compact design makes it easy to connect two guitars using one direct box. The great sounding active circuit sounds as good as other DIs costing five times as much!

J48 Stereo with two different instruments
Use the J48 Stereo with two completely different instruments. The low crosstalk makes it a great choice when doubling between bass, acoustic guitar, fiddle, or mandolin.

Specifications

Audio circuit type: Proprietary analog circuit with low-noise op-amp
Number of channels: 2
Frequency response: 20Hz ~ 20kHz
Dynamic range: 109dB
Total harmonic distortion: 0.002% @ -5dBu
Intermodulation Distortion: 0.003% @ -3dBu
Phase Deviation: +10º at 20Hz | 0º at 1kHz | -1º at 20kHz
Input Impedance: 220kΩ – ¼” input
Output Impedance: 600Ω – XLR output
Equivalent Input Noise: -103dBu
Noise Floor: -99dB below 0dBu
Maximum Input: +10dBu
Construction: 14-gauge steel chassis and outer shell
Size (L x W x D): 84 x 127 x 48mm
Weight: 720 g
Power: 48V phantom – proprietary digital switching

User Manual

Download the User Manual in PDF format.

Ordering

SKU REJ48S Categories , Tag

$719 Inc GST

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