Related Manuals for Drawmer 1969
Summary of Contents for Drawmer 1969
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Page 1: Table Of Contents
1969 VACUUM TUBE COMPRESSOR OPERATORS MANUAL CONTENTS SAFETY CONSIDERATIONS page 1 INTRODUCTION page 2 APPLICATIONS page 2 INSTALLATION page 3 CONTROL DESCRIPTIONS: page 5 page 5 Compressor page 7 Microphone Pre-amplifier page 7 Auxiliary Input QUICK SET-UP page 8 IF A FAULT DEVELOPS... - Page 2 COPYRIGHT This manual is copyrighted © 2008 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 1969 audio processor to...
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Page 3: Safety Considerations
1969 OPERATORS’ MANUAL DRAWMER 1969 Dual Vacuum Tube Compressor SAFETY CONSIDERATIONS CAUTION - MAINS FUSE TO REDUCE THE RISK OF FIRE REPLACE THE MAINS FUSE ONLY WITH A FUSE THAT CONFORMS TO IEC 127-2. 250 VOLT WORKING, TIME DELAY TYPE WITH A BODY SIZE OF 20mm x 5mm. -
Page 4: Introduction
1969 OPERATORS’ MANUAL INTRODUCTION The 1969 is a hybrid vacuum tube/semi-conductor, dual-channel compressor which has numerous applications in studio recording, live sound, location recording, post- production and as part of a musician's rack system. The microphone input stages feature extremely low noise, balanced input circuitry with additional tube amplification, enabling modern microphones to take on the characteristics of older tube models. -
Page 5: Installation
The inputs and outputs are electronically balanced on conventionally wired XLRs (pin 1 screen, pin 2 hot, pin 3 cold and XLR shell is connected to chassis). The 1969 fully conforms to the EMC standards, if the unit is used where it maybe exposed to high... -
Page 6: Power Connection
1969 OPERATORS’ MANUAL POWER CONNECTION The unit will have been 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. The unit should always be connected to the mains supply earth using this cable. -
Page 7: Control Descriptions
1969 OPERATORS’ MANUAL CONTROL DESCRIPTION AND OPERATION With the exception of the Aux preamp section, both channels of the 1969 are identical and may be used independently or linked for stereo operation. In both the linked modes, only Channel 1 compressor controls are functional and serve as the stereo master. In Stereo Link mode, both channels track together to avoid the inevitable image shifting that would occur if the two channels of a stereo signal were treated independently. - Page 8 1969 OPERATORS’ MANUAL Attack: Six switchable Attack settings are provided giving various settings. The actual attack time is further modified by the release setting chosen. Attack Times: 2 ms 8 msec 15 msec 25 msec 30 msec 50 msec Release: There are three fixed Release times and a further three which are programme dependent.
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Page 9: Microphone Pre-Amplifier
1969 OPERATORS’ MANUAL Stereo Link: This makes Channel 1 controls the stereo master and disables the compressor stage of channel 2 when the unit is used for processing a stereo signal. Since the same gain reduction is applied to both audio channels no image shifting can occur. -
Page 10: Quick Set-Up
1969 OPERATORS’ MANUAL Bass EQ: Passive equaliser control, which can be set to provide up to 15dB of bass boost at 40Hz. Treble EQ: Passive equaliser control, which can be set to provide up to 18dB of treble boost at 16kHz. -
Page 11: 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 12: Technical Specification
1969 OPERATORS’ MANUAL TECHNICAL SPECIFICATIONS (All measurements taken at +4dBu operating level) INPUT IMPEDANCES LINE 20KÙ 150Ù to 600Ù 2M2Ù MAXIMUM INPUT LEVEL +20dBu OUTPUT IMPEDANCE 50 Ù MAXIMUM OUTPUT LEVEL +22dBm (balanced) BANDWIDTH <10Hz to 22KHz -1dB UNITY GAIN NOISE... -
Page 13: Block Diagram
1969 OPERATORS’ MANUAL BLOCK DIAGRAM...
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