Radial Engineering JDV Mk3 Super DI  From Radial

Active Direct Box

Radial Engineering

$399.99

Retail:  $550.00

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Manufacturer's Description from Radial

  • 100% discrete class-A active direct box
  • Feed forward design – no negative feedback
  • Drag Control load correction for natural tone
  • Huge 30-Volt rails for exceptional headroom

The Radial JDV is arguably the very best direct box ever made. It is able to handle any type of instrument with ease, reproduces the sound with the utmost accuracy and least coloration, and is equipped with all of the connectivity you will ever need whether you are performing on stage or recording in the studio.

The active design begins with 100% discrete class-A circuitry for absolute signal purity while eliminating troublesome zero-cross distortion. But unlike all other buffering amplifiers, the JDV does not employ any phase-cancelling negative feedback loops to stabilize the circuit. Instead, a tube-like configuration with proprietary stabilizers delivers the true sound of the instrument without artefact or hype.

To address electric bass and guitar, the JDV is equipped with Drag Control that enables you to correct the load of the instrument as if connected directly to an amplifier. For piezo instruments, the input can be switched to 4meg-ohms to eliminate squawk. And with 30 volt internal rails, even the most dynamic digital sampler or active bass can be handled with ease. Features separate outputs for the PA, monitors, amps and tuner making it stage and studio ready.

How does it sound? When one musician proclaimed: The JDV is the best sounding DI I have ever heard. We replied: No… it's your bass… you've just never heard it before.

The JDV… There is no other like it anywhere or at any price.

Radial Engineering

About Manufacturer

Radial Engineering is a manufacturer and distributor of professional audio equipment, building tools for the working audio and audio-video professional. Radial is located on the Fraser River, just outside Vancouver, British Columbia in the municipality of Port Coquitlam. The company began operations in the fall of 1991 as the Canadian distributor of Mogami cable and Jensen Audio Transformers. In 1992, it became a limited corporation under the JP Cabletek Electronics Ltd. banner. The Radial name was first used on house branded cables and snake systems. The Radial name and logo represents a cross section of quad cable; Radial being round. In 1996 the Radial JDI direct box was launched. This led the way to the Radial JDV and today, over 50 electronic products are now being produced under the Radial, Tonebone and Forest Audio brands. In 2001, the Primacoustic brand was launched to address the growing demand for acoustic products for the burgeoning home recording market and in 2006, the company officially changed its name to Radial Engineering Ltd.

Specifications

The Radial JDV is unlike any other direct box made today. The absence of phase cancelling negative feedback combined with 100% discrete class-A electronics results in an astonishing clarity that is unmatched. The trade off is of course a slight reduction in signal to noise. The benefits however result in a warm cascade of even harmonics that will please even the most demanding audiophile.

 

Specifications

 

 

Audio circuit type:

Active, class-A, non-feedback circuit

Frequency response:

20Hz ~ 20kHz (± 1 dB)

Signal to noise ratio:

86dB @ 0dBm output

Dynamic range:

104dB

Noise floor:

-86dBu

Equivalent input noise:

-89dBu

Maximum input:

+16dBu

Phase deviation:

+1º at 20Hz | 0º at 1kHz | -7º at 20kHz

Total harmonic distortion:

0.008% @ -22dBu

Inter-modulation distortion:

XLR out: 0.019%; AUX outs: 0.005% (DIN standard)

Input impedance (Drag on):

Variable from 10k ~ 1 mega-Ω, unbalanced

Input impedance (Drag off):

3.9 mega-Ω for passive piezo transducers

Output impedance:

XLR out: 600Ω; ¼" AUX outs: 1kΩ

Features

 

Output pad:

-15dB

Polarity:

180º signal polarity reverse switch

Ground lift:

Disconnects pin-1 at XLR output

Low-Cut filter:

-3dB @ 75Hz

High-Cut filter:

-3dB @ 8kHz

Speaker pad & filter:

-30dB pad and band-pass filter

XLR configuration:

AES standard (pin-2 hot)

General

 

Power:

+42VDC external supply included

Construction:

14 gauge steel chassis and outer shell, baked enamel finish

Size:

Size: 5" x 6.25" x 2" (127 x 159 x 51mm)

Weight:

2.80lbs (1.28 kg)

Warranty:

Radial 3-year, transferable

Specifications are subject to change without notice.

Downloads

Action

Name

Description

JDV User Guide

JDV Smart Sheet

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