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RADIAL ENGINEERING LTD. ("Radial") warrants this product to be free from defects in material and workman-
ship 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 com-
ponents 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. To make a request or claim under this limited warranty, 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 warranty. This limited 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 DE-
SCRIBED ABOVE. NO WARRANTIES WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIM-
ITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
SHALL EXTEND BEYOND THE RESPECTIVE WARRANTY 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 SPE-
CIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS, WHICH MAY VARY DEPENDING ON
WHERE YOU LIVE AND WHERE THE PRODUCT WAS PURCHASED.
Radial Engineering Ltd.
1638 Kebet Way, Port Coquitlam BC V3C 5W9
tel: 604-942-1001 • fax: 604-942-1010
email: info@radialeng.com • web: www.radialeng.com
Radial 8ox and 8cx Owner's Manual - Part #R870 1185 • V1.0
Specifi cations and appearance are subject to change without notice.
RADIAL ENGINEERING LTD.
3 YEAR TRANSFERABLE WARRANTY
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Summary of Contents for Radial Engineering 8ox
- Page 1 3 YEAR TRANSFERABLE WARRANTY RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material and workman- ship 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...
- Page 2 True to the Music 8ox and 8cx Owner’s Manual Eight Channel • Transformer Isolated • Microphone Splitters 8ox Rackmount R800 8003 - Radial Transformers R800 8004 - Jensen Transformers 8cx Install R800 8002 - Radial Transformers R800 8001 - Jensen Transformers Radial Engineering Ltd.
- Page 4 8ox DESIGN CONCEPT The Radial 8ox is an eight channel, balanced microphone splitter in a compact 1RU package that divides the mic signals three ways; to a direct output; a direct output with ground lift; and an isolated output. A high performance bridging transformer is used on the isolated output to eliminate hum and buzz caused by ground loops.
- Page 5 Transformer noise. To solve these issues the 8ox uses high performance audio isola- tion transformers to decouple the signal passing through it and eliminate ground loops that cause hum and buzz in audio systems.
- Page 6 Isolated Output Parallel Inputs Isolated Output For fl exibility, the 8ox has three paralleled inputs. The ISOLATED outputs uses eight precision audio isolation • Female XLR connectors on the front panel transformers to decouple the mic signals from the DIRECT •...
- Page 7 13. DB-25 Pin-out Diagram - The pin-out for the female DB- identifi cation. Handy when using several 8ox at a time. 5. Military Grade PCB - The dual layer circuit board is 25 connector is diagramed on the rear panel. All DB-25...
- Page 8 8ox Inputs You can connect mics and direct boxes to the 8ox using the front panel XLR inputs, or the rear panel DB-25 and Euroblocks terminals. Which input you choose to use will depend where the 8ox is located and what you are connecting to it. For instance, individual micro-...
- Page 9 True to the Music Connecting Two Mixing Consoles This is the most basic 8ox set up and allows the MAIN PA and MONITOR consoles to have ac- cess to the stage microphone signals. The MAIN PA console connects to the DIRECT output and supplies 48V phantom power to the mics and active direct boxes.
- Page 10 However, an single internal switch is provided to connect the pin-1 cable shields to the chassis without modifying the 8ox. By default, this switch is factory set to open or “lifted” allowing the chassis to “fl oat” ungrounded. Should a specifi c grounding scheme require the cable shields to be bonded to the chassis simply set this switch to closed (pushed in position).
- Page 11 Broadcast Console From Stage-Right Input Panels Channels 1-8 Channels 25-32 Channels 9-16 Channels 33-40 Channels 17-24 Channels 41-48 Direct Output Aux. Direct with Ground Lift Isolated Output Main PA Remote Broadcast Monitors Radial Engineering Ltd. 8ox & 8cx Owner’s Manual...
- Page 12 • Connect pin-1 (GROUND) to the G terminal. • Connect pin-2 (HOT) to the + terminal. Insert bare wire here. • Connect pin-3 (COLD) to the - terminal. Repeat for each connection. Radial Engineering Ltd. 8ox & 8cx Owner’s Manual...