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SKU 
J28057 000000000

Radial Engineering Headload Prodigy Combination Load Box and DI 8 Ohm   

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Like the larger Headload, the Prodigy employs custom-made, cement-encrusted, ceramic-coated resister coils to convert the excessive power from the am...Click To Read More About This Product

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OVERVIEW

Load box and DI in one to simulate a guitar cab and maximize tone at a lower stage volume.

Like the larger Headload, the Prodigy employs custom-made, cement-encrusted, ceramic-coated resister coils to convert the excessive power from the amplifier to heat and is able to comfortably withstand up to 100-watts RMS.

The Prodigy may be used in three different ways, depending on the need: First, it may be used as a direct box via the built-in Radial JDX Reactor. The hugely popular JDX combines a reactive load with a proprietary filter bank to emulate the tone of a 4x12 half stack. This features 100% discrete class-A circuitry for optimal tone and transformer isolation to eliminate hum and buzz caused by ground loops. Designed to replace a microphone, the JDX delivers greater consistency while eliminating concerns such as stage resonance, bleed from other instruments and problematic room acoustics which can play havoc on the tone.

Second, the Prodigy may be used as a load box where you can attenuate the output from 100% down to 50% to drive your amp harder while keeping the volume down to a comfortable level. Finally, the prodigy can be used without a speaker cabinet for completely silent recording. This is particularly useful in small venues where the speaker cabinet on stage may conflict with the sound in the room. It is also great for silent recording where you want to take advantage of "high power" amp distortion without upsetting the neighbors.

In order to optimize the playing experience for in-ear monitors, a dual-band EQ lets you optimize bass and treble settings. Two additional 1/4" outputs enhance connectivity: The first is direct from the amp while the second is post-EQ - post-JDX. These are used to feed additional amplifiers or effects and adjusted using the front panel-level control. A second-level control is used to adjust the built-in headphone amplifier for silent practicing.

Housed in 14-gauge steel to help keep magnetic radiation at bay, the Headload Prodigy features a handy carry handle plus Radial's unique book-end design that creates a protective zone around the switches and controls. The internal I-beam construction adds tremendous rigidity, protecting the sensitive PC board from being torqued which could lead to solder joints going cold prematurely. One or two Prodigies may be rack-mounted into a single 19" rack space using an optional rack kit and power is supplied by an external 15VDC supply with a cable clamp to prevent accidental disconnection. Available in the 8 ohm model.

FEATURES
  • Load box with 100%, 50% and silent attenuation
  • Let's you drive your amp hard for best tone
  • Custom-made, cement-encrusted ceramic-coated resisters dissapate up to 100 W and silently convert to heat
  • JDX Reactor direct output for PA and monitors
  • Headphone variable control used to adjust headphone output level
  • 1/4" TRS mono summed output for headphones lets you quietly practice while your amp is driven hard
  • Line out variable control to adjust the level going to the unbalanced 1/4" JDX outputs
  • 2-band EQ so you can fine tune the tone of the JDX output
  • POL 180 button inverts phase by toggling pin-2 and pin-3 on the XLR output to help phase-align the JDX direct out with a microphone
  • Lo-Z balanced mic level output used to feed the PA system, microphone, or recorder
  • Ground Lift lifts pin-1 on the XLR output to eliminate hum and buzz caused by ground loops
  • Post-EQ presents a post-JDX/post-EQ output to feed a second direct box for recording or an external effects processor
  • Pre-JDX direct output sends unaffected direct signal from your amo to another stage am or effects pedal
  • 1/4" output to go to your amp
  • 1/4" input for your amp speaker's output
  • 50% output 1/4" output for attenuating volume for quiet on-stage performance
  • Class-A audio signal path for natural tone and optimal signal transfer
  • Mil-SPEC-PCB for noise-free performance with double-sided durability
  • I-Beam reinforced steel case with book-end design to protect it during transport and on stage
  • Cable clamp secures the DC adapter cable and prevents accidental power disconnect
  • Durable powdercoat finish
  • Rack mountable
  • Carry handle attached
  • Top-access ventilation

Add to your stage or studio rig with a quick click or call today!

SPECIFICATIONS

Headload Prodigy Combination Load Box and DI 8 Ohm

  • Audio Circuit Type: Passive attenuation circuit with active equalization
    Frequency response: Shaped to emulate a classic guitar cabinet
    Gain: -30dB/-42dB
    Noise floor: -106dBu
    Maximum input: 130 watts continuous
    Total harmonic distortion: 0.05%
    Intermodulation distortion: 0.05%
    Input / output impedance: 4 ohm, 8 ohm, 16 ohm speaker load (model dependent)
    Output level - max - 1KHz: +17dBu
    Output level - max - 20Hz: +14dBu
    Gain reduction: 100%, 50%, 0%
    Equalization: Low EQ: +/- 9dB @ 80Hz
    High EQ: +/- 9dB @ 6KHz
    Headphone output: 400mW into 32 ohm
    Unbalanced line out: Hi-Z 1/4", pre or post EQ
    Balanced line out: 250 ohm post EQ
    Ground lift: Disconnects pin-1 at the XLR input
    Power: Radial +/-15V 400mA power supply
    Construction: 14 gauge steel chassis & outer shell
    Finish: Durable powder coat
    Size: (L x W x H) 10.25" x 5,9" x 3.75" (260.3 x149.7 x 95.2mm)
    Weight: 5.3lbs (2.4kg)
    Shipping size: (L x W x H) 14.5" x 8.75" x 4.75" (368.3 x 222.2 x 120.7mm)
    Shipping weight: 6.5lbs (2.9kg)
    Conditions: For use in dry locations only between 5C and 40C
    Warranty: Radial 3-year, transferable
Reviews
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by PowerReviews
Radial EngineeringHeadload Prodigy Combination Load Box and DI 8 Ohm
 
5.0

(based on 1 review)

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5.0

Very impressed!

By Badspike

from Laveen, AZ

About Me Experienced

Verified Reviewer

Pros

  • Easy To Use
  • Excellent Sound

Cons

    Best Uses

    • Home Studio
    • Performances
    • Professional Recording

    Comments about Radial Engineering Headload Prodigy Combination Load Box and DI 8 Ohm:

    So far I really like this box. The JDX direct recording out is a must in any studio as far as I'm concerned. The 50 percent reduction in overall volume is just that(So with a lower wattage amp it may be too much). Not a 50% reduction in power but a 50% reduction in volume. I've used this so far with a Fender SuperSonic 60 which has a rep as a very loud amp and this unit at 50% power reduction puts the amp in the home(loud)/small club output range. Very minimal degradation of tone!!!! For the price this thing delivers everything I expected and more. Great for late night sessions without a cab output also. Built like a tank!!!!

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