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True to the Music
Eight Channel • Transformer Isolated • Microphone Splitters
INTRODUCTION
Congratulations on your purchase of a Radial microphone splitter. This manual covers installation and operation for both 8ox and 8cx
microphone splitters. We recommend that you take a few minutes to read through this manual in order to familiarize yourself with the
many innovative features that are built in.
Should you have questions or applications not covered in this manual, we invite you to log onto the Radial web site at www.radialeng.com
to check the FAQ section for the latest updates. Of course, you can also send us an email at info@radialeng.com.
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.
Splitting microphone signals is a straight forward concept. It's most common in sound reinforcement and live recording when the on-
stage microphones must be split to feed two mixing consoles. When done improperly, splitting a signal can dull frequency response,
lower the output, and worst of all, cause ground loops that product buzz and hum. To avoid these pitfalls, sound reinforcement com-
panies have been building custom "splitter-snakes" for many years.
The 8ox is an off-the-shelf splitter for the rest of us allowing virtually anyone to design and assemble a splitter-snake with plug-n-play
simplicity and professional audio quality without the need for custom metal work or complex soldering.
Radial 8ox
Rack Mount Splitter
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
Specifi cations and appearance are subject to change without notice.
Radial Engineering Ltd.
8ox and 8cx
Owner's Manual
Table of Contents
8ox Introduction ...................................................... 1
8ox Design Concept ............................................... 2
Basics - What is a Splitter ...................................... 2
How a Transformer Works...................................... 2
What is a Ground Loop .......................................... 2
Signal Flow Block Diagram .................................... 3
Feature Set............................................................. 4
Applications ............................................................ 6
Grounding Options ................................................. 7
8cx Introduction ...................................................... 8
8cx Installation........................................................ 9
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www.radialeng.com
8ox & 8cx Owner's Manual
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