Radial Engineering 8cx Скачать руководство пользователя страница 4

True to the Music

Radial Engineering Ltd.

8ox & 8cx Owner’s Manual

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 [email protected].

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.  

Table of Contents 

Page

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

Radial 8ox 

Rack Mount Splitter

Specifi cations and appearance are subject to change without notice.

Radial Engineering Ltd.
1638 Kebet Way, Port Coquitlam BC  V3C 5W9
tel:  604-942-1001 • fax:  604-942-1010 
email:  [email protected] • web:  www.radialeng.com

www.radialeng.com

1

8ox   and   8cx

Owner’s Manual

Eight Channel • Transformer Isolated • Microphone Splitters

Содержание 8cx

Страница 1: ...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 res...

Страница 2: ...nce are subject to change without notice 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 www radialeng...

Страница 3: ......

Страница 4: ...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 l...

Страница 5: ...ormer eliminating noise caused by ground loops Once the loop is complete there is the electrical potential for DC voltage to flow through it This potential is caused by the interaction between devices...

Страница 6: ...Isolated Output The ISOLATED outputs uses eight precision audio isolation transformers to decouple the mic signals from the DIRECT outputs This output may be patched to a separate audio sys tem withou...

Страница 7: ...lt this switch is factory set to lifted allowing the chassis to float ungrounded and should remain this way unless a specific grounding scheme requires the signal ground to be tied to the chassis 10 1...

Страница 8: ...r then mates with the socket Pin termination for the Euroblock terminals are clearly marked on the rear panel Referring to the pins on an XLR connector 1 2 3 G G G G Connecting the DB 25 I O The DB 25...

Страница 9: ...three consoles to an 8ox The MAIN PA console connects to the DIRECT output and the MONITOR console to the auxil iary DIRECT with LIFT output In order to avoid hum and buzz from ground loops these cons...

Страница 10: ...ISOLATED output for that channel Internal Chassis Ground Lift All Channels All tconnectors are 100 isolated from the steel chassis allowing chassis and signal ground to be kept separate However an sin...

Страница 11: ...8cx splitters are mounted in an electrical box located in a utility room or under the stage The 8cx is designed to fit in standard size NEMA electrical junction boxes Six 8cx splitters can easily fit...

Страница 12: ...AGO connector INTERNAL GROUNDING OPTIONS 8cx FEATURE SET 1 Skeleton Frame The 9 5 x 5 frame is constructed of 14 gauge steel and serves several functions It s built in stand offs allow cable to pass u...

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