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SM PRO AUDIO CQ15/CQ31

Release

 

The release control sets the time (in seconds) that it takes for the 
compressor to return to 0dB gain reduction in the absence of a source 
signal. Short release times create a more exaggerated effect (”pumping
and breathing"), whereas long release times produce a more natural sound.

AEQ  BEQ Switch and Status LED 

Use this control to place the compressor in the signal path either before 
(BEQ) or after (AEQ) the equalizer. When the status LED is illuminated, the 
compressor is in AEQ mode. 

Note that on the CQ15, all compressor setting are independent for each channel.
 

Cq15/cq31 APPLICATIONs

Live Sound

The main use of a graphic equalizer in audio systems is to correct undesirable 
anomalies in the overall sound, such reducing boominess in a venue that has 
excessive low end response or adding some “sparkle” to a room that is overly 
damped. A graphic EQ can also be used for overal “tone shaping,” which could 
run the gamut from adding midrange definition vocals to refining the overall sound 
of a mix. To a more limited extent, a graphic EQ can also be used to control feedback. 

Since the CQ15 and CQ31 both include optical compressors, greater flexibility in
both signal processing and control is available. For example, you can boost high 
frequencies to create clarity, while at the same time compressing the high 
frequencies so that the occasional transient peak won’t harm your sound system 
(or your audience’s ears!). You can also use the compressor to limit the dynamic 
range of a live mix, while at the same time maintaining complete tonal control. 

Bass and Guitar Rigs 

EQs and compressors have long been staples in guitar and bass rigs. With the
CQ15/CQ31 you have the convenience of both processors in a single rackmount 
unit. Dial in your tone with the EQ, then add punch and sustain with the compressor. 

 

 
 
 

 

 
 

 

optical compressor cont.’

0

6

12

+

6

12

0

6

12

+

6

12

-

-

0

0

3

3

6

6

+

+

3

3

6

6

-

-

Channel A

Channel B

16k

16k

10k

10k

6.3k

6.3k

4k

4k

2.5k

2.5k

1.6k

1.6k

1k

1k

630

630

400

400

250

250

160

160

100

100

63

63

40

40

25

25

C Q 15

GRAPH IC EQUAL IZER

R ANGE

BYPASS

LOW  CU T

+

-

1 2

 INPU T  LEVEL

RELEAS E

P EAK

OPTI CA L COMPRESSOR

COMP

ATTAC K

BEQ

6

+

-

80 Hz

AEQ

R AN GE

BY PASS

LOW  CU T

+

-

1 2

 INPUT L EVEL

RELEA SE

P EAK

OPT ICA L COM PRESSOR

COMP

ATTAC K

BEQ

6

+

-

80 Hz

AEQ

POWER

O N

OF F

0.1 

0.2

0.3 

0.1 

0.2

0.3 

Содержание CQ15

Страница 1: ...CQ15 CQ31 Version 1 0 SM PRO AUDIO CQ15 CQ31 Graphic EQualizer compressor ...

Страница 2: ...r Source Make sure your equipment is set to the correct voltage for the country in which it will be used Grounding and Polarization Precautions should be taken so that the equipment s electrical grounding or polarization is not defeated Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on pinched damaged worn or rubbed by any other device or obstacl...

Страница 3: ...Nevertheless we recommend that you carefully examine the packaging and its contents for any signs of physical damage which may have occurred in transit If the unit is damaged please do not return it to us but notify your dealer and the shipping company immediately otherwise claims for damage or replacement may not be granted Shipping claims must be made by the consignee The SM Pro Audio CQ15 CQ31 ...

Страница 4: ...aks to putting a tight low end on a stereo DJ mix When finer band resolution is required the CQ31 offers a full 31 bands 1 3 octave of equalization with selectable 6dB 12dB range topped off by a fully adjustable optical compressor As with the CQ15 the compressor is available pre or post EQ and features true circuit bypass SM PRO AUDIO CQ15 CQ31 0 6 12 6 12 0 3 6 3 6 20 25 31 5 40 50 63 80 100 125 ...

Страница 5: ...anced Euro Block CQ15 Outputs Channel A Channel B Balanced XLR Channel A Channel B Unbalanced 1 4 TRS Channel A Channel B Balanced Euro Block CQ31 Inputs Channel A Balanced XLR Channel A Unbalanced 1 4 TRS Channel A Balanced Euro Block CQ31 Outputs Channel A Balanced XLR Channel A Unbalanced 1 4 TRS Channel A Balanced Euro Block INPUT OUTPUT The CQ15 CQ31 accepts line level input signals upto 23dB...

Страница 6: ...trols The CQ15 features 15 adjustable frequency bands per channel spaced at 2 3 octave intervals The CQ31 features 31 adjustable frequency bands spaced at 1 3 octave Both units offer the same complement of controls Faders Raise the fader above the 0dB line to boost EQ at the chosen band lower the fader to attenuate the EQ Range Use to set the throw of the frequency band faders to 6dB or 12dB Bypas...

Страница 7: ...resulting in greater reductions in dynamic range For example a compression ratio of 5 1 means that when the input level increases by 5dB the output level will increase by only 1dB Compression On Off Switch LED Indicator Turns the compressor on or off When off the compression circuit is completely removed from the signal path i e true bypass The LED shows compressor s on off status Attack Use to se...

Страница 8: ... a graphic EQ can also be used to control feedback Since the CQ15 and CQ31 both include optical compressors greater flexibility in both signal processing and control is available For example you can boost high frequencies to create clarity while at the same time compressing the high frequencies so that the occasional transient peak won t harm your sound system or your audience s ears You can also ...

Страница 9: ...xpressly excluded from this warranty in particular if caused by inappropriate use Likewise the warranty does not cover defects of expendable parts caused by normal wear of the product Expendable parts are typically pots potentiometers switches and similar components Damages defects caused by the following conditions are not covered by this warranty Misuse and or abuse Neglect or failure to operate...

Страница 10: ...ng instructions CLAIM FOR DAMAGES Failure of SM Pro Audio to provide proper warranty service shall not entitle the buyer to claim consequential damages In no event shall the liability of SM Pro Audio exceed the invoiced value of the product CQ15 Features 2 x 15 Bands of Equalization Selectable 6dB 12dB Fader Range per Channel Optical Compressor per Channel w Adjustable Input Level Compression Rati...

Страница 11: ...ge without notice No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording of any kind for any purpose without the express written permission of SM Pro Audio All Rights Reserved 2011 SM Pro Audio ...

Страница 12: ...SMPROAUDIO M Patch 2 SM PRO AUDIO CQ15 CQ31 CQ15 CQ31 Graphic EQualizer compressor ...

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