Related Manuals for Drawmer DL441
Summary of Contents for Drawmer DL441
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Page 1: Table Of Contents
DL441 QUAD COMPRESSOR LIMITER OPERATORS MANUAL CONTENTS SAFETY CONSIDERATIONS page 1 INTRODUCTION page 2 INSTALLATION page 3 CONTROL DESCRIPTIONS page 5 Compressor page 5 Peak Limit page 6 Stereo Link page 6 OPERATION page 7 IF A FAULT DEVELOPS page 8... - Page 2 COPYRIGHT This manual is copyrighted © 1997 by Drawmer Electronics, Ltd. With 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...
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Page 3: Safety Considerations
DL441 OPERATORS’ MANUAL DRAWMER DL441 Quad Compressor Limiter 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 63mA WHERE THE MAINS INPUT VOLTAGE SWITCH IS SET TO 230 VOLTS AC. -
Page 4: Introduction
Also included in each channel of the DL441 is a peak limiter which allows the user to set an absolute output signal level that will not be exceeded. If the peak limiter... -
Page 5: Installation
POWER CONNECTION The DL441 is supplied with a power cable suitable for domestic power outlets in your country. For your own safety it is important that you use this cable to connect to the mains supply earth. The cable should not be tampered with or modified. - Page 6 DL441 OPERATORS’ MANUAL Disconnect the unit from the mains. Using a number 1 size pozidrive screwdriver, remove the two self-tapping screws holding the voltage selection switch cover plate on the rear panel. Remove the cover plate and slide the switch fully to its opposite end.
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Page 7: Control Descriptions
DL441 OPERATORS’ MANUAL CONTROL DESCRIPTION All four channels of the DL441 are identical and may be used completely independently or linked for stereo operation. Separate linking switches are provided to link channels 1 and 2 or channels 3 and 4. In the linked mode, only the left hand channel controls are functional and serve as master controls, though the channel bypass switches remain independent. -
Page 8: Peak Limit
Peak Limiter. If operating in Stereo Linked mode, both linked channels will be bypassed simultaneously. The DL441 Bypass is a 'hard bypass' which directly links the input sockets to the output sockets whenever Bypass is active. The adjacent red LED indicates the Bypass status. -
Page 9: Operation
The unit should be connected in-line with the signal to be processed via suitable insert points. Ensure that the insert send and return level on your console matches the operating level set up using the rear panel push-buttons on the DL441. If not, select the appropriate operating level on the DL441. -
Page 10: If A Fault Develops
Drawmer Electronics Ltd., will be pleased to answer all application questions to enhance your usage of this equipment. Please address correspondence to: Drawmer (Technical Help line) : Coleman St.: Parkgate : Rotherham : S62 6EL : UK or, E-mail us on : tech@drawmer.com... -
Page 11: Technical Specification
DL441 OPERATORS’ MANUAL TECHNICAL SPECIFICATIONS INPUT IMPEDANCE 20KOhm MAXIMUM INPUT LEVEL +21dBu (+17dB ref. +4dBu) OUTPUT IMPEDANCE 50 Ohm MAXIMUM OUTPUT LEVEL +20dBu BANDWIDTH <12Hz to 35KHz -1dB CROSSTALK @10kHz Better than 80dB @20kHz Better than 75dB OUTPUT BALANCE Better than 40dB 20Hz to 10kHz... -
Page 12: Block Diagram
DL441 OPERATORS’ MANUAL BLOCK DIAGRAM...
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