Radial Engineering JDX Direct Drive Amp Simulator and DI Box

Radial Engineering JDX Direct Drive Amp Simulator and DI Box

Radial Engineering JDX Direct Drive Amp Simulator and DI Box

B&H # RAR8001404 MFR # R800 1404
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Expected availability: 7-14 business days

Product Highlights

  • Amp & Cab Simulator in Pedal Form
  • Combo, Stack & 4x12 Cab Settings
  • Presence Switch to Add Highs
  • 180° Polarity Reverse Switch
  • Ground Lift Switch
  • Thru-Put for Feeding Amp on Stage
  • Buffered Tuner Output
  • 1/4" and Balanced XLR DI Outputs
  • Runs off of 9 VDC Power
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This item is noncancelable and nonreturnable.

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You Pay: $199.99

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Radial Engineering R800 1404 overview

  • 1Description

The JDX Direct-Drive from Radial Engineering is an amp simulator for your pedalboard, giving you the tone and feel of not just one, but three different amp/cab configurations. With this pedal, you can very well avoid lugging an amplifier around town from gig to gig altogether, though the pedal does provide a passive thru-put to feed unprocessed signal to your onstage amplifier, should you choose to go that route anyway. A dedicated, buffered tuner output supplies any electronic tuner with guitar tone without extra loading on your pickup, or without introducing noise from quartz clocks.

The pedal itself uses carefully tailored filters to create faithful emulations of caps, combos, and amp/cab configurations. You have choices here. You can select the COMBO setting, which models an early Fender Twin, or STACK mode, which mimics the timbre of a Marshall tube head feeding a 4x12 cabinet. JDX 4x12 Mode gives you the cabinet only, its tone specifically modelled to give you the sound of a cabinet mic’d by a Shure SM57 dynamic microphone. Both COMBO and STACK modes can receive even more tonal juicing from a special, two-position toggle switch, which lets you boost the highs for extra sparkle.

For outputs, the pedal provides a standard, phone type 1/4” jack and a balanced XLR DI for feeding processed signal to the house, a mixer, or a recording interface. A 180° polarity-reverse switch allows you to phase-align the signal with your onstage amplifier, if it happened to be out of phase, while a ground switch eliminates hums and buzzing often associated with ground loops. The pedal runs off of 9 VDC, either from a pedalboard brick, or from a separately available power supply.

Controls at a Glance
POLARITY Toggleswitch: This toggles pin-2 and pin-3 on the XLR output, helping you phase-align your amp with stage monitors.

GROUND Toggleswitch: This lifts Pin-1 on the balanced XLR output to help reduce the hum and buzzing caused by ground loops.

AMPLIFIER Toggleswitch: Part of the Tone Voicing section, this three-position toggle offers three different amplifier emulations. COMBO models the tone of a Fender Twin, STACK mimics the timbre of a Marshall amp/cab configuration, and JDX 4x12 emulates only the sound of a 4x12 stack.

PRESENCE Toggleswitch: Also part of the Tone Voicing section, this two-position switch provides extra sparkling highs for the STACK and COMBO settings. 

Connections at a Glance
THRU: Use this to feed unprocessed tone to an on-stage amplifier, or a dry 1/4" studio DI input.

TUNER: This Hi-Z always-on output can be used to connect to an electronic tuner.

XLR: This balanced output is useful for feeding processed signal to a PA system or the XLR input of a recording device.

UPC: 676101044160
In the Box
Radial Engineering JDX Direct Drive Amp Simulator and DI Box
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    Radial Engineering R800 1404 specs

    Controls POLARITY Toggleswitch
    GROUND Toggleswitch
    AMPLIFIER Toggleswitch
    PRESENCE Toggleswitch
    Connections 1 x 1/4" Instrument input, phone type
    1 x 1/4" Instrument output, phone type
    1 x 1/4" Thru output, phone type
    1 x 1/4" Tuner output, phone type
    1 x XLR Balanced DI output
    Audio Circuit Type Class-A BiFET input buffer with electronic frequency shaping circuitry
    Dynamic Range 83 to 100 dB
    Gain Maximum gain, input to XLR output: 0 dB
    minimum gain, input to 1/4" output: -5.8 dB
    Noise Floor -78 dBu
    Maximum Input > +5 dBu
    Total Harmonic Distortion < 0.01%
    Inter-Modulation Distortion > 0.1% at -15 dBu out
    Output Impedance XLR output: 600 Ohms
    1/4" output: 100 Ohms
    Output Clip Level XLR output: > +5 dBu
    Construction 14-gauge steel chassis and outer shell
    Finish Powder coat
    Power 40 mA, 9 VDC
    Dimensions (L x W x H) 4.8 x 3.6 x 2.0" / 120.7 x 92.1 x 50.8 mm
    Weight 1.6 lb / 0.7 kg
    Packaging Info
    Package Weight 1.75 lb
    Box Dimensions (LxWxH) 6.3 x 4.3 x 2.9"

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