Drawmer S3 Operator's Manual
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Drawmer S3 Operator's Manual

Three-band stereo vacuum tube compressor
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DRAWMER
Vacuum Tube Compressor
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Chapter 1 - Introduction
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Chapter 2 - Control Description
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S3
Three-Band Stereo
OPERATOR'S MANUAL
CONTENTS
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Summary of Contents for Drawmer S3

  • Page 1: Table Of Contents

    ..........10 Contacting Drawmer .

  • Page 2: Warranty

    COPYRIGHT This manual is copyrighted © 2006 by Drawmer Electronics Ltd. With all rights reserved. Under copyright laws, no part of this publication may be reproduced, transmitted, stored in a retrieval system or translated into any language in any form by any means, mechanical, optical, electronic, recording, or otherwise, with- out the written permission of Drawmer Electronics Ltd.

  • Page 3: Introduction

    THREE-BAND STEREO VACUUM TUBE COMPRESSOR INTRODUCTION The new S3 Three-Band Stereo Vacuum Tube Compressor components. The S3 forms the basis of a 'Signature Series' incorporates the very latest in Ivor Drawmer designs and and offers previously unattainable control and tonality over...

  • Page 4: Installation

    It is also recommended to the S3 is mounted horizontally to allow heat to escape vertically through the vents on the lid. To mount at an angle may cause the S3 to overheat which will damage internal components (see fig. 2).

  • Page 5: Audio Connections

    • Interference: If ground loop problems are encountered, never If the S3 is to be used where it maybe exposed to high disconnect the mains earth, but instead, try levels of disturbance such as found close to a TV or...

  • Page 6: Control Description

    High Split Frequency: 1.4kHz - 14kHz Sets the frequency point at which the split between mid and high bands occurs. The following diagram provides a good, but general, idea of some useful frequencies: DRAWMER S3 O PERATOR’S ANUAL...
  • Page 7 During compression the signal is attenuated, gain may be required to produce the required output level. In addition, as the S3 is multi-band, the three gain controls are used to adjust the levels of each band to obtain a desirable overall signal, or to bring out the bass, treble etc.
  • Page 8 OUTPUT Temperature Led The S3 is at optimum temperature when the front panel LED indicator is lit, i.e. after the soft start and when the valves have reached optimum temperature - this may take a few seconds. Gain:...

  • Page 9: Quick Setup Procedure

    7) The Threshold and Gain of each band can be modified to achieve the desired compression, levels and tonal balance to the overall signal. 8) At this point the Bypass switches can be toggled to listen to the affect that the S3 is having on the audio. Adjust to suit.

  • Page 10: Chapter 3 - General Information

    Please address correspondence to: the difficulty. A list of all main dealers can be found on the Drawmer Drawmer (Technical Help line) webpages. Coleman Street...

  • Page 11: Block Diagram

    BLOCK DIAGRAM S3 ver 01 C 30/03/09 DRAWMER S3 O PERATOR’S ANUAL...

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