Radial Engineering J48 Stereo Phantom Powered Active Direct Box

Radial Engineering J48 Stereo Phantom Powered Active Direct Box

Radial Engineering J48 Stereo Phantom Powered Active Direct Box

B&H # RAJ48S MFR # R800 3002
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Product Highlights

  • Stereo Version of J48
  • Low Distortion
  • -15 dB Pad
  • High-Pass Filter at 80 Hz
  • Retains Instrument's Tone
  • 14-Gauge Steel Construction
  • 180-Degree Polarity Reverse
  • For Studio and Live Use
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  • 1Description

Taking their popular J48 direct box and adapting it for stereo or dual mono sources, the J48 Stereo Phantom Powered Active Direct Box from Radial Engineering is constructed from rugged 14-gauge steel making it at home on the stage and in the studio. Its design allows for low distortion and a very neutral sound to retain the natural tone of your instrument. A -15 dB pad and selectable high-pass filter at 80 Hz allow you to work with higher-volume sources and eliminate lower-frequency rumble if desired.

The J48 Stereo requires 48V phantom power, and employs a switching power supply that uses the 48V to increase headroom and lower distortion. A polarity reverse switch enables you to correct any polarity issues, while the ground loop helps eliminate hum.

Low distortion
Ample headroom & dynamic range
Retains instrument's natural sound
Powered by 48V phantom
UPC: 676101043439
In the Box
Radial Engineering J48 Stereo Phantom Powered Active Direct Box
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description
    Audio
    Circuit Type Proprietary analog circuit with low-noise op-amp
    Frequency Response 20 Hz to 20 kHz
    Dynamic Range 109 dB
    Noise Floor -99 dB below 0 dBu
    Equivalent Input Noise -103 dBu
    Maximum Input +10 dBu
    Phase Deviation +10º at 20 Hz
    0º at 1 kHz
    -1º at 20 kHz
    Total Harmonic Distortion 0.002% @ -5 dBu
    Inter-Modulation Distortion 0.003% @ -3 dBu
    Input Impedance 1/4" Input: 220 kOhms
    Output Impedance XLR Output: 600 ohms
    I/O
    Input Connectors 2x 1/4" (6.3 mm) Inputs
    Throughput 2x 1/4" (6.3 mm)
    Input Pad Switch -15 dB
    Polarity 180º signal polarity reverse switch
    High Pass Filter -3 dB @ 80 Hz
    Ground Lift Disconnects pin-1 at XLR output
    Output 2x XLR (Follows AES standard, pin-2 hot)
    General
    Power 48 V phantom - proprietary digital switching
    Construction 14-gauge steel chassis and outer shell
    Finish Durable powder coat
    Environmental Conditions For use in dry locations only between 41 and 104°F (5 and 40°C)
    Dimensions (L x W x H) 3.3 x 5.0 x 2.0" (84 x 127 x 48 mm)
    Weight 1.55 lb (720 g)
    Packaging Infowxbazdvqvrtsvzebzzuwxrzbzvyyv
    Package Weight 1.8 lb
    Box Dimensions (LxWxH) 6.3 x 4.2 x 3.0"
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