Radial JDX-48 Active Direct Box (B-Stock)

Radial

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Product Code: B-9999-16817
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Front End Audio has a fantastic deal on this factory direct B-Stock unit, and stock is limited! Radial quality control has deemed this as "B-Stock" so expect a minor cosmetic flaw or blemish. But, rest assured that this will have absolutely no impact on the functionality or performance of this unit. Radial fully inspects and tests every B-Stock product AND they are covered by a full manufacturer warranty. This is your opportunity to grab a great deal on an otherwise "just like new" JDX-48 from Radial!

The Radial JDX-48 Active Direct Box is a powerful speaker-level direct box designed to capture the true sound of your guitar amplifier with remarkable realism and consistency. This delivers a sound that is similar to a well-placed microphone while eliminating the frustrating inconsistencies. The Radial JDX-48 Active Direct Box's design begins with 100% discrete class-A circuitry and a transformer-coupled 'reactive load' that captures both the sound from the amp head along with the back electromagnetic impulse from the loudspeaker. This produces a more realistic rendering than the usual resistive pad offered by other manufacturers. The signal is then processed via a carefully designed multi-stage filter to emulate the tone of a 4x12 half stack cabinet.

In use, the Radial JDX-48 Active Direct Box delivers greater consistency over a typical microphone as irregularities such as mic placement and varying acoustics no longer play the dominant role on stage. This is most appreciated when using in-ear monitors as the tone remains consistent from one show to the next, resulting in shorter setup times and a more comfortable audio feed for the artist. Although originally designed for guitar, the Radial JDX-48 Active Direct Box has also become a favorite on bass. The clarity and punch in the lower midrange delivers a tone that is reminiscent of an Ampeg SVT connected to an 8x10 cabinet. On guitar it sounds as if you have a Shure SM57 in front of a Marshall half-stack. This new version also offers greater power handling for 300 watt amps and extended low end for deep bass frequencies.

Radial JDX-48 Active Direct Box Features

  • Captures speaker-level signal from a guitar amplifier
  • Built-in analog speaker cabinet emulation for realistic tone
  • Connects between amplifier and speaker cabinet
  • Delivers consistent, mic-free guitar tones for live and studio use
  • Ideal for silent stages, recording, and direct-to-FOH applications
  • Powered by 48V phantom power
  • Balanced XLR output for professional audio systems
  • Speaker thru connection maintains proper amp load
  • Reduces stage volume while preserving amp tone
  • Rugged steel construction for touring and professional environments

Radial JDX-48 Active Direct Box Applications

  • Using the Radial JDX-48 on guitar - The Radial JDX-48 is connected in between the head and the cabinet where it taps a minute signal off the circuit. The reactive load captures both the sound from the head and the impulse from the cabinet for a more realistic tone.
  • Using the Radial JDX-48 on bass - Bass guitar sounds amazing with the Radial JDX-48! You get a fat low-mid punch and extra clarity that makes the bass stand out. It truly sounds like you are playing through an SVT with all the grind and drive - yet it is coming through the PA.
  • Using the JDX-48 with a mic and the Phazer - For even more fun, combine the direct sound of the Radial JDX-48 with a microphone. Use the Radial Phazer to time-align the two signals and be prepared for the biggest, fattest, most amazing tones ever. Careful - this is addictive!

Radial JDX-48 Active Direct Box Specifications

  • Audio Circuit Type: Discrete Class-A - Transformer Isolated
  • Frequency Response: Shaped for guitar use
  • Dynamic Range: 114dB
  • Noise Floor: -100dBu below 0dBu
  • Maximum Input: 600W @ 4O; 300W @ 8O; 150W @ 16O
  • Maximum Output: +14dBu (clip level)
  • Thermal Input Limit: +49 VAC (from amplifier)
  • Total Harmonic Distortion: <0.015% (+10dBu input @ 1KHz)
  • Inter-Modulation Distortion: 0.03% (+10dBu input @ 1KHz)
  • Input Impedance: 15kO
  • Output Impedance: 2000O (XLR out)
  • XLR Configuration: AES standard (pin-2 hot)
  • Power: 48V phantom or +15VDC/400mA adapter Included
  • Construction: 14 gauge steel chassis and outer shell
  • Finish: Durable powder coat
  • Size: 5" x 6.25" x 2" (127 x 159 x 51mm)
  • Weight: 2.80lbs (1.28 kg)

Radial JDX-48 Active Direct Box Includes

  • Radial JDX-48 Active Direct Box
  • Power Adapter
  • Manufacturer Warranty

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