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SM PRO AUDIO CQ15/CQ31 

SAFETY INSTRUCTIONS

CAUTION:

 To reduce the risk of electrical shock, do not remove the 

cover or rear panel of this unit. No user serviceable parts inside. Refer 
servicing to qualified personnel only.

WARNING:

 To reduce the risk of fire or electrical shock, do not expose 

this equipment to rain or moisture.

All safety and operation instructions of this manual should be read and adhered 

to before operating this equipment.

Retain Instructions: 

Please retain all safety and operating instructions for future reference.

Follow Instructions: 

All operation and user instructions should be followed.

Water, Liquid, and Moisture: 

The equipment should not be used near water, rain, or other 

liquids. Make sure that no liquid can leak, spill, or otherwise seep into the equipment.

Ventilation: 

Please place the equipment so that no obstacles interfere with or impede the 

flow of air through the ventilation openings.

Heat:

The equipment should be situated away from heat sources such as heaters, 

radiators, ovens, and other appliances that produce heat.

Power 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 obstacle.

Cleaning:

The equipment should be cleaned only with a light soft cloth. Do not use harsh or 

corrosive products on the unit.

Periods of Inactivity:

The power cord of the appliance should be unplugged from the outlet 

when left unused for a long period of time.

Damage Requiring Service:

The equipment should be serviced by qualified service  

personnel when:
• The power supply cord or plug has been damaged; or
• Objects have fallen onto, or liquid spilled into the equipment; or
• The equipment has been exposed to rain; or
• The equipment does not appear to operate normally or exhibits a marked change in  
   performance; or
• The equipment has been dropped, or the enclosure damaged.

Servicing:

The user should not attempt to service the equipment beyond what is described in the 
Operating Instructions.

All other servicing should be referred to qualified service personnel.

Summary of Contents for CQ15

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

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

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

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