DA 6
DISTRIBUTION AMP
OPERATORS MANUAL
CONTENTS
SAFETY CONSIDERATIONS page 1
INTRODUCTION page 2
INSTALLATION page 2
HEADPHONES pages 1, 4
ISOLATING TRANSFORMERS page 3
CONTROL DESCRIPTIONS page 6
IF A FAULT DEVELOPS page 8
CONTACTING DRAWMER page 8
TECHNICAL SPECIFICATION page 9
BLOCK DIAGRAM page 10
COPYRIGHT
This manual is copyrighted © 2002 by Drawmer Electronics, Ltd. With all rights
reserved. Under cop
ht laws, this manual may not be duplicated in whole or in
part without the written consent of Drawmer.
ONE YEAR LIMITED WARRANTY
Drawmer Electronics Ltd., warrants the Drawmer DA6 audio processor to conform
substantiall
inal date of purchase when used in accordance with the specifications detailed
ori
in this manual. In the case of a valid warrant
remed
Drawmer’s discretion, repair or replace the product without char
possible, to refund the purchase price to
applies onl
to the specifications of this manual for a period of one year from the
claim, your sole and exclusive
and Drawmer’s entire liability under any theory of liability will be to, at
e, or, if not
ou. This warranty is not transferable. It
to the original purchaser of the product.
For warrant
service please call your local Drawmer dealer. Alternatively call
Drawmer Electronics Ltd. at +44 (0)1709 527574. Then ship the defective product,
with transportation and insurance char
Coleman Street, Park
ate, Rotherham, S62 6EL UK. Write the RA number in large
letters in a prominent position on the shippin
telephone number, cop
of the original sales invoice and a detailed description of
the problem. Drawmer will not accept responsibilit
es pre-paid, to Drawmer Electronics Ltd.,
box. Enclose your name, address,
for loss or damage durin
transit.
This warrant
is void if the product has been damaged by misuse, modification or
unauthorised repair.
THIS WARRANTY IS IN LIEU OF ALL WARRANTIES, WHETHER ORAL OR
WRITTEN, EXPRESSED, IMPLIED OR STATUTORY. DRAWMER MAKES NO
OTHER WARRANTY EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT
LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. PURCHASER’S
SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY SHALL BE REPAIR
OR REPLACEMENT AS SPECIFIED HEREIN.
IN NO EVENT WILL DRAWMER ELECTRONICS LTD. BE LIABLE FOR ANY
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
RESULTING FROM ANY DEFECT IN THE PRODUCT, INCLUDING LOST
PROFITS, DAMAGE TO PROPERTY, AND, TO THE EXTENT PERMITTED BY
LAW, DAMAGE FOR PERSONAL INJURY, EVEN IF DRAWMER HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states and specific countries do not allow the exclusion of implied warranties
or limitations on how lon
not apply to you. This warranty gives you specific legal rights. You may have
ma
additional ri
hts that vary from state to state, and country to country.
In the interests of product development, Drawmer reserve the ri
improve specifications of this product at an
an implied warranty may last, so the above limitations
ht to modify or
time, without prior notice.
DA6 OPERATORS’ MANUAL
DRAWMER DA6
Distribution Amp
SAFETY CONSIDERATIONS
CAUTION - MAINS FUSE
TO REDUCE THE RISK OF FIRE REPLACE THE MAINS FUSE ONLY WITH
THE SAME TYPE, WHICH MUST BE A CLASS 3, 230 VOLT, TIME DELAY
TYPE, RATED AT 160mA WHERE THE MAINS INPUT VOLTAGE SWITCH IS
SET TO 230 VOLTS AC. AND 315mA WHERE THE MAINS INPUT VOLTAGE
IS 115 VOLTS AC.
ALL FUSES MUST COMPLY WITH IEC 127-2.
THE FUSE BODY SIZE IS 20mm x 5mm.
CAUTION - MAINS CABLE
DO NOT ATTEMPT TO CHANGE OR TAMPER WITH THE SUPPLIED MAINS
CABLE.
CAUTION - SERVICING
DO NOT PERFORM ANY SERVICING. REFER ALL SERVICING TO
QUALIFIED SERVICE PERSONNEL.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE
THIS EQUIPMENT TO RAIN OR MOISTURE.
CAUTION - HEADPHONES
THE HEADPHONE AMPLIFIER IN THIS UNIT IS CAPABLE OF PRODUCING
1 WATT INTO 8 SPEAKERS. DRAWMER DO NOT ACCEPT ANY
RESPONSIBILITY FOR DAMAGE CAUSED TO OPERATOR HEARING OR
SPEAKER DEVICES BY USE OF EXCESSIVE OUTPUT LEVELS.
DA6 OPERATORS’ MANUAL
INTRODUCTION
The distribution of mono and stereo balanced audio signals from a single source to
multiple destinations has man
installation; live sports events covera
houses or where hi
cable runs.
lon
The Drawmer DA6 is a six channel stereo output ( or twelve mono ) distribution amplifier
featurin
for instanced where electrical isolation of remote equipment is required.
XLR balanced connections. Optional transformer balanced outputs are offered
h quality audio has to be distributed to a number of locations down
applications, including: multi-zone sound reinforcement
e; broadcast studios; video suites; duplication
The electronicall
LED bar
nals. Each of the six output pairs incorporate further left/right level controls and a
si
Mono/Stereo switch which will mix two stereo si
to both stereo outputs.
The monitor section consists of a channel select so that the individual left/ri
level of each channel can is displa
simultaneousl
An auxiliar
where even more distribution is required. These outputs are post input
ma
raph metering enabling the correct balancing of stereo material or two mono
pair of balanced output jacks provide a facility to connect further DA6 units
be fitted with optional output isolating transformers.
balanced stereo input features individual left/right level controls with
nals, or, connect a single mono signal
ht output
ed on the output LED bargraph and can be
heard at the front-panel headphone jack.
ain trim, and
INSTALLATION
The DA6 is designed for standard 19" rack mounting and occupies 1U of rack space.
Avoid mountin
nificant amounts of heat. Always connect the mains earth to the unit. Use fibre or
si
plastic washers to prevent the front panel becomin
the unit directly above power amplifiers or power supplies that radiate
marked by the mounting bolts.
AUDIO CONNECTIONS
Input and Output audio connections are provided via balanced XLRs at a level of +4dBu.
This applies to both inputs and outputs. The wirin
Pin 1 Ground; pin 2 Hot; and pin 3 Cold.
For use with unbalanced s
output inside the XLR connectors.
The Stereo Aux. Outputs are balanced ¼" (TRS) jack sockets, where Tip connection is
Hot; Rin
multiple DA6 units if there is a requirement for more than 6 stereo outputs. For use with
unbalanced s
terminal inside the Jack plu
is Cold; and Sleeve is Ground. These connections are offered for chainin
stems, use mono jack plugs, or connect the Ring (Cold) to the Sleeve
stems, the Cold pin 3 must be grounded at both input and
s.
convention being: