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COPYRIGHT

This manual is copyrighted © 1997 by Drawmer Electronics, Ltd. W ith all rights
reserved. Under copyright 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  DL441  audio  processor  to
conform substantially to the specifications of this manual for a period of one year
from  the  original  date  of  purchase  when  used  in  accordance  with  the
specifications detailed in this manual. In the case of a valid warranty claim, your
sole  and  exclusive  remedy  and  Drawmer’s  entire  liability  under  any  theory  of
liability will be to, at Drawmer’s discretion, repair or replace the product without
charge, or, if not possible, to refund the purchase price to you. This warranty is
not transferable. It applies only to the original purchaser of the product. 

For  warranty  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  charges  pre-paid,  to  Drawmer
Electronics Ltd., Coleman Street, Parkgate, Rotherham, S62 6EL UK. Write the
RA number in large letters in a prominent position on the shipping box. Enclose
your name, address, telephone number, copy of the original sales invoice and a
detailed description of the problem. Drawmer will not accept responsibility for loss
or damage during transit.

This warranty is void if the product has been damaged by misuse, modification or
unauthorised repair.

THIS  W ARRANTY  IS  IN  LIEU  OF  ALL  W ARRANTIES,  W HETHER  ORAL  OR
W RITTEN, EXPRESSED, IMPLIED OR STATUTORY. DRAW MER  MAKES NO
OTHER W ARRANTY EITHER EXPRESS OR IMPLIED, INCLUDING, W ITHOUT
LIMITATION, ANY IMPLIED W ARRANTIES 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  W ILL  DRAW MER  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 long an implied warranty may last, so the above
limitations may not apply to you. This warranty gives you specific legal rights. You
may have additional rights that vary from state to state, and country to country.

In the interests of product development, Drawmer reserve the right to modify or
improve specifications of this product at any time, without prior notice.

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Summary of Contents for dl441

Page 1: ...ERATIONS page 1 INTRODUCTION page 2 INSTALLATION page 3 CONTROL DESCRIPTIONS page 5 C Compressor page 5 C Peak Limit page 6 C Stereo Link page 6 OPERATION page 7 IF A FAULT DEVELOPS page 8 CONTACTING...

Page 2: ...umber copy of the original sales invoice and a detailed description of the problem Drawmer will not accept responsibility for loss or damage during transit This warranty is void if the product has bee...

Page 3: ...INPUT VOLTAGE SWITCH IS SET TO 230 VOLTS AC AND 125mA 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 AT...

Page 4: ...ue stereo operation Traditionally soft knee compressors are preferable for unobtrusive level control or for the control of finished mixes whereas ratio type compressors are generally considered more s...

Page 5: ...it maybe exposed to high levels of disturbance such as found close to a TV or radio transmitter we advise that the unit is operated in a balanced configuration The screens of the signal cables should...

Page 6: ...apping screws holding the voltage selection switch cover plate on the rear panel 3 Remove the cover plate and slide the switch fully to its opposite end 4 Rotate the cover plate one half turn 180E and...

Page 7: ...ximately 15dB above which level conventional ratio compression is applied For this reason the signal level may appear to fall when the compressor is switched from Hard to Soft Knee operation and some...

Page 8: ...al will not be permitted to exceed This limiter is very fast acting enabling it to control any peaks without audible distortion If the output signal is so high as to cause the limiter to operate for m...

Page 9: ...d partly by observing the gain reduction meter Normally a maximum gain reduction of between 8dB and 12dB will be adequate If more gain reduction appears necessary it is worth considering applying a co...

Page 10: ...riginal sales invoice and a detailed description of the problem Authorised returns should be prepaid and must be insured All Drawmer products are packaged in specially designed containers for protecti...

Page 11: ...er than 40dB 20Hz to 10kHz NOISE AT UNITY GAIN reference 4dBu Wideband 22Hz 22KHz CCIR ARM IEC A Q Pk CCIR AV 90dB 98dB 99dB 100dB 88dB RMS 89dB 96dB 97dB 98dB DISTORTION 100Hz 1KHz 10KHz Unity Gain 4...

Page 12: ...DL441 OPERATORS MANUAL 10 BLOCK DIAGRAM...

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