Radial Engineering Pro D8 Handleiding


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ProD8 Rackmount DI
www.radialeng.com
Owner’s Manual
True to the Music
Radial Engineering Ltd.
1845 Kingsway Ave. Port Coquitlam BC V3C 1S9 Canada
Tel: 604-942-1001 • Fax: 604-942-101 • Email: info@radialeng.com
Radial ProD8 Owner's Manual - Part #: R870 1190 00 / 07-2021 / V2. Copyright © 2009 All rights reserved.
Appearance and specications subject to change without notice.
TABLE OF CONTENTS PAGE
Introduction .................................................................... Inside Cover
ProD8 Overview 1 ...............................................................................
Feature Functions 2 ............................................................................
Rackmounting 3 ..................................................................................
Using the ProD8 4 ...............................................................................
Adding E󰀨ects .................................................................................. 5
Typical Stage Set-up 6 ........................................................................
Redundant Inputs for Backup Instruments 7 .......................................
Redundant Inputs for Backup Playback 8 ...........................................
FAQ .................................................................................................. 9
Warranty Information Back Cover .........................................................
Radial ProD8 Owners Manual
Congratulations on your purchase of the Radial ProD8.
The Radial ProD8 is a simple yet remarkably clever direct box in that it provides all of the standard features
one would nd in a typical rackmount DI plus several renements: First o󰀨, it jams eight (8) direct boxes into
a single rack space making it the highest density DI on the market. Secondly, it is equipped with redundant
inputs on each channel that are pre-merged mono to reduce mixer and snake channel requirements or can
be used as redundant inputs for system backup. Thirdly, an e󰀨ects-loop on each channel lets you share
your e󰀨ect with two devices saving money and space. And nally, reversible rack rails let you position the
inputs and the outputs on the front or back of the rack to best accommodate your live or studio set-up.
As with all Radial products, we highly recommend that you read this short manual before using the ProD8
so that you become familiar with all of the features and functions to get the most out of this device. Should
you have any questions, please visit the FAQ section on our Radial web site as this is where we post the
latest applications. You can also email us at info@radialeng.com should you have a question that is not
answered.
We are condent that you will enjoy years of trouble free performance with your new Radial ProD8 and we
look forward to hearing back from you about new an innovative ways you have found to use it. Now start
reading and plugging away!
Radial Engineering Ltd.
1845 Kingsway Ave. Port Coquitlam BC V3C 1S9 Canada
Tel: 604-942-1001 • Fax: 604-942-101 • Email: info@radialeng.com
Radial ProD8 Owner's Manual - Part #: R870 1190 00 / 07-2021 / V2. Copyright © 2009 All rights reserved.
Appearance and specications subject to change without notice.
Radial Engineering Ltd. ProD8 Owners Manual
True to the Music
1
OVERVIEW
The Radial ProD8 is an 8 channel passive direct box
and does not require any powering whatsoever to make
it work. The high performance Radial transformers are
extremely e󰀩cient and will both balance the signal and
convert the high source impedance of your keyboards to
a balanced, mic level low impedance output.
All channels are identical and completely isolated. Each
channel features two inputs that are merged to mono
using a resistive mixer. This means you can use either
input for a mono source. If you have a stereo source
such as a synthesizer or digital piano, connecting the
instrument to the two inputs will yield a mono mix at the
XLR output. Should you wish to connect a high output
device like a CD player to the ProD8, a -15dB PAD will
reduce the input level going to the transformer to avoid
saturation. The ¼” THRU is a direct feed that would be
used for your personal monitoring system.
To further advantage the user, an e󰀨ects-loop has been provided that allows the two inputs on each chan-
nel to share the same e󰀨ects processor. Each channel features an internal switch that lets you assign the
THRU output either pre or post the e󰀨ects-loop depending on how you intend to use the system.
IN-A
IN-B
EFFECT
LOOP
-15dB
PAD
THRU
PRE/POST
EFX LOOP
THRU
OUT
POLARITY
REVERSE
GROUND
LIFT
CHASSIS
GROUND
LIFT
XLR
OUT
PASSIVE
SUMMING
SECTION
*One of eight channels.
BLOCK DIAGRAM
As previously mentioned, the ‘engine inside the ProD8 is the Radial transformer. This ‘hi-Z to lo-Z’ device
is designed to convert the impedance and balance the signal so that it matches the level of a typical micro-
phone. This way, the keyboards connected to the ProD8 can be ‘managed’ just like microphones and used
with mic splitters as well as the mic inputs on the mixing console. A polarity reverse switch toggles pins 2
and 3 to allow older pre-AES standard gear to be connected in phase.
Transformers are particularly advantageous with keyboards and other devices that are electrically powered
through the common AC electrical system as they isolate the input from the output to help eliminate hum
and buzz caused by ground loops. A ground-lift switch further helps reduce noise by disconnecting pin-1 on
the XLR thus allowing the system tech to derive the channel ground from either the input or the output.


Product specificaties

Merk: Radial Engineering
Categorie: Niet gecategoriseerd
Model: Pro D8

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