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Radial Engineering JD7 Injector Owner's Manual page 7

Guitar signal distribution and routing system
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Channel-7 rear panel auxiliary output:
This output is identical to the Channel-1 direct output and is used
to drive tuners, alternate amplifiers, the 2 channel on an already
connected amplifier, to drive monitors, etc, etc... in fact, we
would love to hear how you've used this output in a creative way!
Balanced low Z output and input:
These important connections allow the clean unaltered guitar
signal to be routed to the low impedance input of a mixer and
then sent directly to the recorder. This way, you can perform
with a wild and distorted sound while recording the original
clean sound for future playback through the JD7 and your amps
and effects. This opens the door to a whole new creative process!
By 'injecting' the clean guitar signal into your rig at guitar levels,
you can sit back in the comfort of the control room chair and
audition a variety of sounds before committing one to tape.
Hookup is simple. Connect the output from the XLR-male to
your mixing console or recording device. A ground lift is
supplied should the need arise. Once the track is recorded, return
the signal to the JD7's XLR female input. Select the rear input by
depressing 'SELECT' on the front panel 'Instruments Inputs'
section. Input-2 is a switching jack, which means the front panel
1/4" jack has priority over the rear XL-F jack if a plug is inserted,
thus, if something is connected to the front 1/4" jack, there will
be no signal input at the rearXLR.Adjust the level potentiometer
and make sure the overload LED on the front panel does not
light-up. If it does, back off the input level by turning the level potentiometer counter-clockwise. Use the JD7 as
usual. Try different combinations until you get the sound you are looking for and then press record. Instant magic!
You not only get to play the track but also get to produce it too! Please see 'Re-mix Function' section illustration
elsewhere in thismanual formoredetails.
Of course you can also use the balanced out instead of a direct box. This features an active input and transformer
coupled output for the best of both worlds... and yes, a Jensen transformer is provided of course, just like on other
renowned Radial DI's!
Labelmarking zones:
The Radial JD7 panel has been silk screened with white label areas for identifying your routing. These can be a
lifesaver during those hectic studio sessionswhere simplifying equipment routingwouldbeabighelp.
Use only erasable pens such as a dry/wet erase or wax markers. Test a small corner on a back label for eraseability
beforemarking the front.
Note that different markers will affect the white enamel finish in different ways.
Set-up charts:
Attached you will find a master 'set-up saver' that you can use to record your amplifier and effect pedal settings for
future reference. These charts will come in handy when trying to re-create a certain 'magical' sound you've
discovered. We suggest you photocopy extra copies of these handy sheets.
nd
Front panel label marking example.
Channel-7 - Rear panel 1/4" output jack,
Balanced (recording) XLR output & switches.
Balanced (recording) XLR intput, level &
ground lift switch.
5

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