Order No. R800 1018
True to the Music
Order No. R800 1016
User Guide
Rackmount for Radial Direct Boxes
Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC V3C 5M5
tel: 604-942-1001 • fax: 604-942-1010
www.radialeng.com
email: info@radialeng.com • web: www.radialeng.com
Specifi cations and appearance are subject to change without notice.
Copyright © 2011 Radial Engineering Ltd.
www.radialeng.com
Congratulations and thank you for purchasing the Radial J•Rak 8.
The J•Rak 8 is a 19” rack adapter that has been designed to work
with products like the Radial JDI, Radial J48 and the many other
Radial products that employ the same bookend designed enclosure.
Although the J•Rak 8 is a straightforward device, we invite you to take
a few moments to read through this manual and familiarize yourself
with this versatile product. Should you have any questions or comments, please feel free to contact us by sending an email to info@
radialeng.com or browse our web site at www.radialeng.com for the
latest updates and applications.
Enjoy!
PRODUCT DESCRIPTION
The Radial J•Rak 8 requires two rack spaces (3 ½”) and allows up
to eight Radial products to be rack-mounted in a standard 19” rack.
The J•Rak 8 is designed to allow touring companies to make better
use of their DI box inventory by allowing stand-alone units to be
converted to rackmounted DIs for applications like keyboards. A wide
range of Radial interface and mic-splitter products are compatible
with the J•Rak 8 making it possible to quickly create a custom rack.
A strong advantage for the J•Rak 8 is that you get to choose what
connectors face front. Before you start loading up DIs take a minute
to consider how you will connect to them. Depending on your situation you may prefer to have the inputs face front. This would be best
for studio applications where instruments are often connected and
disconnected during a session.
True to the Music
SETTING UP THE J•RAK 8
Step One: Remove the Shell
T o begin, remove the protective outer ‘book-end’ shell from the Radial
product by unscrewing the four (4) hex #6/32 screws. A hex allen key
is provided for these screws. Do not discard the screws or shells.
Store them in a safe place in case you want to restore the product
to its original confi guration.
Step Two: Load into Slot
With the outer shell removed, slide the enclosure into the front of the
J•Rak 8 slot. Ensure the open side is facing up as pictured below.
J•RAK
GUITARS AND BASS The 1/4" inputs face front allowing
easy connection for instruments.
If you’re using the J•Rak 8 in a concert touring situation then you may
want the outputs to face front for quick connection to a microphone
snake. The J•Rak 8 lets you choose the orientation for each slot so
you may want to think about which arrangement is best for your setup.
SYNTH 1
SYNTH 2
J•RAK
KEYBOARD RACKS The XLR outputs face front for connection
to mic snakes and mixing consoles.
As with all Radial products, the J•Rak 8 features heavy-duty construction and a baked enamel fi nish for years of trouble-free performance.
The J•Rak is also supported by the Radial 3-year transferable warranty
to protect against manufacturing defects.
Step Three: Rear Screws
Once the enclosure is seated in the J•Rak 8 locate the two screw
holes for the slot on the top near the rear edge. Sixteen Philips head
screws are provided to secure enclosures in place. Insert two screws
per slot. Repeat the procedure for the other slots. The J•Rak 8 is now
ready to mount in your 19” rack.
Radial Engineering Ltd. J-Rak™ Rackmount Adapter
True to the Music
Congratulations and thank you for purchasing the Radial J•Rak 4.
The J•Rak 4 is a 19” rack adapter that has been designed to work
with products like the Radial JDI, Radial J48 and the many other
Radial products that employ the same bookend designed enclosure.
Although the J•Rak 4 is a straightforward device, we invite you to take
a few moments to read through this manual and familiarize yourself
with this versatile product. Should you have any questions or comments, please feel free to contact us by sending an email to info@
radialeng.com or browse our web site at www.radialeng.com for the
latest updates and applications.
Enjoy!
PRODUCT DESCRIPTION
The Radial J•Rak 4 requires one rack space (1.75”) and allows up
to four Radial products to be rack-mounted in a standard 19” rack.
The J•Rak 4 is designed to allow touring companies to make better
use of their DI box inventory by allowing stand-alone units to be
converted to rackmounted DIs for applications like keyboards. A wide
range of Radial interface and mic-splitter products are compatible
with the J•Rak 4 making it possible to quickly create a custom rack.
A strong advantage for the J•Rak 4 is that you get to choose what
connectors face front. Before you start loading up DIs take a minute
to consider how you will connect to them. Depending on your situation you may prefer to have the input panel face front. This would be
best for studio applications where instruments are often connected
and disconnected during a session.
SETTING UP THE J•RAK 4
Step One: Remove the Shell
T o begin, remove the protective outer ‘book-end’ shell from the Radial
product by unscrewing the four (4) hex #6/32 screws. A hex allen key
is provided for these screws. Do not discard the screws or shells.
Store them in a safe place in case you want to restore the product to
its original confi guration.
Step Two: Load into Slot
With the outer shell removed, slide the enclosure into the rear of the
J•Rak 4 slot.
J•RAK
GUITARS AND BASS The 1/4" inputs face front allowing
easy connection for instruments.
If you’re using the J•Rak 4 in a concert touring situation then you
may want the XLR outputs to face front for quick connection to a
microphone snake. The J•Rak lets you choose the orientation for
each slot so you may want to think about which arrangement is best
for your setup.
SYNTH 1
SYNTH 2
J•RAK
KEYBOARD RACKS The 1/4" inputs face toward the rear for
connection to rackmounted modules.
As with all Radial products, the J•Rak 4 features heavy-duty construction and a baked enamel fi nish for years of trouble-free performance.
The J•Rak 4 is supported by the Radial 3-year transferable warranty
to protect against manufacturing defects.
Step Three: Rear Screws
Once the enclosure is seated in the J•Rak 4 locate the two screw
holes for the slot on the top. Eight Philips head screws are provided
to secure enclosures in place. Insert two screws per slot. Repeat the
procedure for the other slots. The J•Rak 4 is now ready to mount in
your 19” rack.
Radial Engineering Ltd. J-Rak™ Rackmount Adapter
THREE YEAR TRANSFERABLE LIMITED WARRANTY
RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material and workmanship and will remedy any such defects free of charge according to the terms of this warranty. Radial will
repair or replace (at its option) any defective component(s) of this product (excluding fi nish and wear and
tear on components under normal use) for a period of three (3) years from the original date of purchase. In
the event that a particular product is no longer available, Radial reserves the right to replace the product with
a similar product of equal or greater value. In the unlikely event that a defect is uncovered, please call 604942-1001 or email service@radialeng.com to obtain an RA number (Return Authorization number) before
the 3 year warranty period expires. The product must be returned prepaid in the original shipping container
(or equivalent) to Radial or to an authorized Radial repair center and you must assume the risk of loss or
damage. A copy of the original invoice showing date of purchase and the dealer name must accompany any
request for work to be performed under this limited and transferable warranty. This warranty shall not apply
if the product has been damaged due to abuse, misuse, misapplication, accident or as a result of service or
modifi cation by any other than an authorized Radial repair center.
THERE ARE NO EXPRESSED WARRANTIES OTHER THAN THOSE ON THE FACE HEREOF AND DESCRIBED ABOVE. NO WARRANTIES WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE SHALL EXTEND BEYOND THE RESPECTIVE W ARRANTY PERIOD DESCRIBED ABOVE OF
THREE YEARS. RADIAL SHALL NOT BE RESPONSIBLE OR LIABLE FOR ANY SPECIAL, INCIDENTAL
OR CONSEQUENTIAL DAMAGES OR LOSS ARISING FROM THE USE OF THIS PRODUCT. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS, WHICH
MAY VARY DEPENDING ON WHERE YOU LIVE AND WHERE THE PRODUCT WAS PURCHASED.
www.radialeng.com
Compatibility Chart For J-Rak 8, J-Rak 4
Direct Boxes J•Rak 8 J•Rak 4
JDI - passive direct box
J48 - active direct box
JPC - stereo PC passive direct box
J33 - stereo RIAA Phono Preamp DI
ProD2 - stereo passive direct box
ProAV1* - mutli-media direct box
ProAV2 - stereo multi-media direct box
JDX - amplifier direct dox
Mic Splitters
JS•2 - two-way microphone splitter
JS•3 - three-way microphone splitter
Interface
Twin ISO - stereo line-level isolation
J-ISO - stereo +4dB to -10dB interface
ProISO - stereo +4dB to -10dB interface
J+4* - active -10dB to +4dB interface
X-AMP - active reamping interface
H-AMP* - speaker-level to headphones
* These products have switch functions that may be covered when installed. Be sure to select the function before installing into a J•Rak.
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Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC V3C 5M5
tel: 604-942-1001 • fax: 604-942-1010
email: info@radialeng.com • web: www.radialeng.com
Radial J-Rak™8 and J-Rak™4 User Guide - Part #R870-9645-00
Specifi cations and appearance are subject to change without notice.
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