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Radial Engineering Ltd.

JDX™ Direct-Drive™ User Guide

OVERVIEW

The JDX Direct-Drive™ is a unique device that emulates the sound of a guitar amplifier while doubling up as a direct box.

In other words, with the Direct-Drive on a pedalboard, you can do a gig without carrying an amp to the club or record

silently using all your favorite pedals. The design begins with a ¼” guitar input and passive thru-put to feed a stage amp

plus a dedicated tuner output. The signal then passes through a series of filters to create Radial’s signature JDX™ tone.

This is modelled after the sound of a Shure SM57™ in front of a Marshall™ 4x12 cabinet. This is augmented with two

amp settings that add the character of a Marshall JCM™ head or Fender Twin™ combo to the mix. These can be further

tailored using a presence switch to add extra sparkle. The amp tone signal exits the Direct-Drive via either a ¼” guitar

level output or via a balanced XLR to feed the PA. The Direct-Drive may be powered using a dedicated standard 9V power

brick or an isolated power supply.

COMBO

‘Fender Twin’

STACK

‘Marshall JCM’

JDX 4x12

‘Cabinet with SM57’

Содержание JDX Direct-Drive

Страница 1: ...Radial Engineering Ltd 1588 Kebet Way Port Coquitlam BC V3C 5M5 Tel 604 942 1001 Fax 604 942 1010 Email info radialeng com User Guide DIRECT DRIVE...

Страница 2: ...o power the Direct Drive in conjunction with another device that is also using the same un isolated power supply the Direct Drive will shut down as a safety feature to prevent damage to the unit Switc...

Страница 3: ...ed to be intuitive and easy to use But as with all products taking a few minutes to read the manual will ensure a better understanding and increase your enjoyment If after you have done your homework...

Страница 4: ...The signal then passes through a series of filters to create Radial s signature JDX tone This is modelled after the sound of a Shure SM57 in front of a Marshall 4x12 cabinet This is augmented with tw...

Страница 5: ...ct an electronic tuner 6 9VDC Standard Boss style power supply connection 7 POLARITY Toggles pin 2 and pin 3 on the XLR out to phase align your amp with the stage monitors 8 GROUND Lifts pin 1 on the...

Страница 6: ...ceived A cable clamp is available should you wish to lock in the power connection Simply loosen the screw pass the power adaptor cable through the hole and re tighten Set the four top mounted switches...

Страница 7: ...ne Try adding a bit of top end using the bright switch This works like a presence switch on an amp 3 Top COMBO This creates a brighter more open tone It sounds great on cleaner signals using a delay a...

Страница 8: ...ng with the balanced XLR out 1 INPUT Used to connect your guitar or signal chain from effect pedals 2 THRU Bypasses all amp simulation and sends an untouched signal to your stage amp 3 TUNER Used to c...

Страница 9: ...output so that it better aligns with a microphone in front of an amp This of course assumes you are using the thru out to feed a stage amp and will be combining the two channels It can also be used i...

Страница 10: ...Radial Engineering Ltd JDX Direct Drive User Guide 7 BLOCK DIAGRAM Subject to change without notice...

Страница 11: ...ht switch Total Harmonic Distortion THD N 0 01 Dynamic range 83dB to 100dB Input impedance 220K Maximum input 5dBu Maximum gain input to XLR output 0dB Minimum gain input to 1 4 output 5 8dB Clip leve...

Страница 12: ...pply if the product has been damaged due to abuse misuse misapplication accident or as a result of service or modification by any other than an authorized Radial repair center THERE ARE NO EXPRESSED W...