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Drawmer CMC3 Manual

Monitor controller
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DRAWMER
CMC3
MONITOR CONTROLLER
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Chapter 2 - Control Description
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Chapter 3 - General Information
CONTENTS
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Summary of Contents for Drawmer CMC3

  • Page 1: Table Of Contents

    DRAWMER CMC3 MONITOR CONTROLLER CONTENTS ......3 Warranty ....3 Safety Consideration .
  • Page 2 DRAWMER COPYRIGHT This manual is copyrighted © 2018 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,...

  • Page 3: Warranty

    WARNING THERE ARE NO USER REPLACEABLE FUSES WITHIN EITHER THE CMC3 OR IT’S SUPPLIED POWER SUPPLY. IF FOR ANY REASON THE CMC3 CEASES TO WORK DO NOT ATTEMPT TO MEND IT - CONTACT DRAWMER TO ARRANGE FOR A REPAIR/REPLACEMENT. In the interests of product development, Drawmer reserve the right to modify or improve specifications of this product at any time, without prior notice.

  • Page 4: Chapter 1 - Introduction Introduction

    Accurate & Transparent With the same Drawmer pedigree as the MC2.1, the CMC3 circuit is just as transparent and accurate. It has been designed to remove the limitations that a passive circuit brings, such as the ability to increase the volume for quiet passages and improved mix checking, without adding the artifacts that lesser quality active circuits introduce.
  • Page 5 Multiple Connections The CMC3 is very well connected with 4 stereo inputs in total: 1x SPDIF digital input (24 bit/192kHz), using the same DAC chipset as our established MC3.1 monitor controller, 2 stereo balanced jack inputs, plus a 3.5mm jack with variable level control for your Smartphone/MP3 Player.

  • Page 6: Installation

    DRAWMER INSTALLATION The CMC3 is a free standing, desktop unit. We have endeavoured to make the CMC3 as small as possible without compromising on controls, connections and above all sound quality. The unit has a footprint of just 27cm x 16cm with controls on the top, headphone and mp3/phone input on the front and all other connections on the rear panel.

  • Page 7: Power Connection

    100-240Vac continuous (90-264Vac max) and so should work globally. We strongly advise that the power supply that has been supplied with the CMC3 is used, rather than one with the equivalent ratings. In addition, should the power supply fail for any reason we strongly advise that you contact Drawmer for a replacement rather than repairing the unit yourselves.

  • Page 8: Audio Connection

    CMC3 screens of the signal cables should to the patchbay. If such measures be connected to the chassis are necessary, balanced operation connection on the XLR connector as is recommended.

  • Page 9: Typical Connection Guide

    TYPICAL CONNECTION GUIDE CMC3 - Monitor Controller...

  • Page 10: Control Description

    A LOCK led above the switch shows when the signal is strong and the CMC3 is locked in, if not lit the digital signal should be checked. 3.5mm stereo jack input is located on the front panel (1b) to allow easy access to connect a MP3 player, smartphone or similar audio device.
  • Page 11 In addition, do not use excessive force at either end of the volume knob - it’s size would mean that damaging the potentiometer is possible. Note that on the underside of the CMC3 there are 2 rotary controls that allow the left and right speaker level of all of the Speaker Outputs (10) to be trimmed.
  • Page 12 DRAWMER SPEAKER SELECT Four switches select which of the four speaker outputs A, B, C are heard (10). Each switch can be operated individually or simultaneously and in any combination and is perfect for performing A/B comparisons between various monitor setups. As the switches do not toggle between outputs when doing A/B comparisons both of those switches should be pressed at the same time i.e.
  • Page 13 TalkBack Microphone. An electret condenser microphone as been incorporated into the CMC3 and is located below the Volume controls in the bottom centre of the front panel. Activating the Talkback automatically engages the Dim switch (i.e. attenuates the...
  • Page 14 DRAWMER DIGITAL INPUT In addition to the three analogue inputs the CMC3 a dedicated DAC has been incorporated into the CMC3, capable of converting incoming sample rates up to 192kHz at a word length of 24 Bit The SPDIF is via 75 ohm cable with a phono socket, where the data conforms to the SonyJ PhillipsJ Digital InterFace format.
  • Page 15 To connect the mono talkback to a Dual Mono jack use the following cable wiring: POWER The CMC3 will be supplied with an external switching mode power supply that is capable of 100-240Vac continuous (90-264Vac max) and should work globally, but is supplied with a cable suitable for domestic power outlets in your country.

  • Page 16: Mix Checking Tips

    Note that on the CMC3 it is better to lower the volume level using the DIM switch and then turn the volume up, rather than only turning the volume down, as you maintain greater control over the volume as well as better left/right channel matching.
  • Page 17 To truly hear a monogised signal via one speaker (the way everyone else will hear it) CMC3 - Monitor Controller...
  • Page 18 Listen to the ‘Stereo difference’ or side signal A very useful facility of the CMC3 is the ability to listen to the ‘stereo difference’ or side signal, very quickly and easily. The side signal is the difference between the two channels, and describes those elements that contribute to the stereo width.

  • Page 19: If A Fault Develops

    CONTACTING DRAWMER We will be pleased to answer all application questions to enhance your usage of Drawmer equipment. Please address correspondence to: DRAWMER Electronics LTD Coleman Street...

  • Page 20: Block Diagram

    DRAWMER BLOCK DIAGRAM Ref:1v0A 28-06-18...

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