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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
Sony

J

  Phillips

J

  Digital InterFace format. Because this connector only provides an

unbalanced termination, the recommended maximum length for this cable is 3
metres, even with very high quality cable.

Activate the input via the input source section 

(1a)

.

ANALOGUE INPUTS

The CMC3 has three analogue inputs comprising 

I/P1

 & 

I/P2

 - both balanced ¼"

phone jacks, on the rear panel, and also

 AUX.

 - a 3.5mm stereo jack found on the

front panel  (see 

(1b) 

& ‘Audio Connections’).  Activate the inputs via the input

source section 

(1a)

.

SPEAKER OUTPUTS

Three stereo balanced speaker outputs- 

A

B

 and 

C

, plus a dedicated mono speaker/

sub-woofer output -

 SUB/MONO

 - are found on the rear of the unit, all in the form of

balanced ¼" phone jacks.

Each output is activated by the 

Speaker Select

 switches on the front 

(3) 

- and can

be activated individually or simultaneously and in any configuration.

TALKBACK

External Microphone 

and 

Talkback Output 

connectors can be found on the rear

panel, in the form of ¼" jacks.

External Microphone: 

An external microphone can be connected to provide a more

convenient location for the talkback. It is amplified by the inbuilt preamp circuitry
with the volume level controlled via the Talkback Volume knob 

(7)

, however, phantom

power is not supplied so a dynamic microphone should be used. To operate set
the 

EXT MIC

 switch 

(7) 

to active - this will bypass the CMC3 onboard mic.

8

9

10

11

14

Summary of Contents for CMC3

Page 1: ...on Installation Power Connection Security Audio Connection Typical Connection Guide Chapter 2 Control Description Control Description Mix Checking Tips Chapter 3 General Information If a fault develop...

Page 2: ...ts 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 elec...

Page 3: ...ditionalrightsthatvaryfrom statetostate andcountrytocountry For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with...

Page 4: ...e the volume for quiet passages and improved mix checking without adding the artifacts that lesser quality active circuits introduce You hear exactly what you ve recorded Precision The CMC3 supports 3...

Page 5: ...k Main Features Ultra low noise and transparent circuit design Source switches can be active in any combination 4 Inputs in Total 1x Digital SPDIF 192 kHz 24 Bit 2 on balanced analogue 1 4 jacks 1 3 5...

Page 6: ...oured 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...

Page 7: ...alidate the warranty The power supply will be supplied with 4 interchangeable AC pins for the UK European USA and Australian socket types For your own safety it is important that you use the correct a...

Page 8: ...balanced operation is recommended 8 Interference If the unit is to be used where it maybe exposed to high levels of disturbance such as found close to a TV or radio transmitter we advise that the uni...

Page 9: ...CMC3 Monitor Controller TYPICAL CONNECTION GUIDE 9...

Page 10: ...erated simultaneously the individual signals are summed into a single stereo signal Note that the CMC3 does not provide individual level trims for the I P1 I P2 and DIGI inputs and so any level matchi...

Page 11: ...al passages that would normally be quiet Before you can make full effective use of the Volume control it is necessary to calibrate the entire monitoring system this allows for accurate level control a...

Page 12: ...specially useful when used in conjunction with each other Phase Reverse Inverts the polarity of the signal on the Left Channel and is used primarily to outline any phase problems that may be occurring...

Page 13: ...n when using lower standard consumer quality headphones as damage could occur TALKBACK The MC3 1 has a dedicated talkback function including inbuilt microphone external microphone port and gain level...

Page 14: ...Connections Activate the inputs via the input source section 1a SPEAKER OUTPUTS Three stereo balanced speaker outputs A B and C plus a dedicated mono speaker sub woofer output SUB MONO are found on t...

Page 15: ...ng into a separate channel of a DAW or other recording facility to allow for information overdubs to be added to a recording To connect the mono talkback to a Dual Mono jack use the following cable wi...

Page 16: ...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 Increase the Volume of Qui...

Page 17: ...ppear completely This could be because left and right outputs are wired out of phase but its more likely to be due to phase cancellation What causes phase cancellation Many stereo widening effects and...

Page 18: ...e noise and distortion that they can bring however they have severe disadvantages over active circuits The most significant is that the output impedance of the connected source equipment and the input...

Page 19: ...escription of the problem Authorised returns should be prepaid and must be insured All Drawmer products are packaged in specially designed containers for protection If the unit is to be returned the o...

Page 20: ...DRAWMER Ref 1v0A 28 06 18 BLOCK DIAGRAM 20...

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