PROEL MQ10FX User manual

MQ10FX
10 Channel Mixer with Effect
USER’S MANUAL
MANUALE D’USO
ENGLISH
ITALIANO
96MAN0134-REV.30/18

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SUMMARY - ENGLISH
DISPOSAL OF OLD ELECTRICAL & ELECTRONIC EQUIPMENT .................................................................4
GENERAL SAFETY INSTRUCTIONS ..........................................................................................................4
IN CASE OF FAULT...................................................................................................................................4
PACKAGING, SHIPPING AND COMPLAINT..............................................................................................4
WARRANTY AND PRODUCTS RETURN ...................................................................................................4
MAINTENANCE AND DISCLAIMER..........................................................................................................5
POWER SUPPLY ......................................................................................................................................5
CONFORMITY .........................................................................................................................................5
INTRODUCTION......................................................................................................................................6
DESCRIPTION..........................................................................................................................................6
INSTRUCTIONS .......................................................................................................................................6
1. MIC-XLR / LINE-JACK combo input (ch. 1 / 2) .............................................................................6
2. LO CUT switch (ch. 1 / 2) .............................................................................................................8
3. CHANNEL GAIN control (ch. 1 / 2 / 3-4 / 5-6) .............................................................................8
4. COMP compressor control (ch. 1 / 2) .........................................................................................8
5. COMP indicator (ch. 1 / 2)...........................................................................................................8
6. EQ section HIGH control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10) ........................................................8
7. EQ section MID control (ch. 1 / 2 / 3-4 / 5-6) .............................................................................8
8. EQ section LOW control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10) .........................................................8
9. FX send control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10).......................................................................8
10. PAN control (ch. 1 / 2) ............................................................................................................8
11. FADER LEVEL control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10) ..........................................................9
12. PEAK detector (ch. 1 / 2 / 3-4 / 5-6) ........................................................................................9
13. MIC-XLR / LINE-JACK L MONO combo input (ch. 3-4 / 5-6) ....................................................9
14. LINE-JACK R Input (ch. 3-4 / 5-6) .............................................................................................9
15. BAL control (ch. 3-4 / 5-6 / 7-8 / 9-10) ....................................................................................9
16. LINE LEFT/MONO jack input (ch. 7-8 / 9-10) ...........................................................................9
17. LINE RIGHT jack input (ch. 7-8 / 9-10).....................................................................................9
18. LINE RCA L & R inputs (ch. 7-8 / 9-10).....................................................................................9
19. FX MUTE pedal jack input........................................................................................................9
20. FX SEND jack output................................................................................................................9
21. FX PRESETS selector.................................................................................................................9
22. FX DISPLAY number ...............................................................................................................10
23. EFFECT MUTE button.............................................................................................................10
24. EFFECT PEAK/MUTE detector................................................................................................10
25. FX LEVEL control ....................................................................................................................10
26. MAIN MIX FADER control ......................................................................................................11
27. MAIN MIX L & R XLR output (balanced)................................................................................11
28. MAIN MIX L & R jack output (balanced)................................................................................11
29. PHONES stereo jack output...................................................................................................11
30. C.ROOM jack output..............................................................................................................11
31. PHONES and C.ROOM level control.......................................................................................11
32. L & R LEVEL meters................................................................................................................11
33. +48V phantom switch and LED..............................................................................................11
34. ON led....................................................................................................................................11
35. 18V~ supply socket input ......................................................................................................12

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36. POWER switch .......................................................................................................................12
37. Power cable hook ..................................................................................................................12
TECHNICAL SPECIFICATION ..................................................................................................................12
Mechanical Dimensions .......................................................................................................................25
Configurations Example .......................................................................................................................26
Connectors ...........................................................................................................................................27

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DISPOSAL OF OLD ELECTRICAL & ELECTRONIC EQUIPMENT
This marking shown on the product or its literature, indicates that it should not be disposed with
other household wastes at the end of its working life. To prevent possible harm to the
enviroment or human health from uncontrolled waste disposal, please separate this from other
types of wastes and recycle it responsibly to promote the sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this product, or their
local government office, for details of where and how they can take this item for environmentally safe
recycling. Business users should contact their supplier and check the terms and conditions of the purchase
contract. This product should not be mixed with other commercial wastes for disposal.
GENERAL SAFETY INSTRUCTIONS
•CAUTION - Before using this product read carefully the following safety instructions. Take a look of this
manual entirely and preserve it for future reference. When using any electric product, basic precautions
should always be taken, including the following:
•To reduce the risk, close supervision is necessary when the product is used near children.
•Protect the apparatus from atmospheric agents and keep it away from water, rain and high humidity places.
•This product should be site away from heat sources such as radiators, lamps and any other device that generate heat.
•Care should be taken so that objects and liquids do not go inside the product.
•The product should be connected to a power supply only of the type described on the operating
instructions or as marked on the product.
IN CASE OF FAULT
•In case of fault or maintenance this product should be inspected only by qualified service personnel when:
•Liquids have spilled inside the product.
•The product has fallen and been damaged.
•The product does not appear to operate normally or exhibits a marked change in performance.
•Do not operate on the product, it has no user-serviceable parts inside.
•Refer servicing to an authorized maintenance centre.
PACKAGING, SHIPPING AND COMPLAINT
•This unit package has been submitted to ISTA 1A integrity tests. We suggest you control the unit
conditions immediately after unpacking it.
•If any damage is found, immediately advise the dealer. Keep all unit packaging parts to allow inspection.
•Proel is not responsible for any damage that occurs during shipment.
•Products are sold “delivered ex warehouse” and shipment is at charge and risk of the buyer.
•Possible damages to unit should be immediately notified to forwarder. Each complaint for manumitted
package should be done within eight days from product receipt.
WARRANTY AND PRODUCTS RETURN
•Proel products have operating warranty and comply their specifications, as stated by manufacturer.
•Proel warrants all materials, workmanship and proper operation of this product for a period of two years
from the original date of purchase. If any defects are found in the materials or workmanship or if the
product fails to function properly during the applicable warranty period, the owner should inform about
these defects the dealer or the distributor, providing receipt or invoice of date of purchase and defect

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detailed description. This warranty does not extend to damage resulting from improper installation,
misuse, neglect or abuse. Proel S.p.A. will verify damage on returned units, and when the unit has been
properly used and warranty is still valid, then the unit will be replaced or repaired. Proel S.p.A. is not
responsible for any "direct damage" or "indirect damage" caused by product defectiveness.
MAINTENANCE AND DISCLAIMER
•Clean only with dry cloth.
•Proel products have been expressly designed for audio application, with signals in audio range (20Hz to
20kHz). Proel has no liability for damages caused in case of lack of maintenance, modifications, improper
use or improper installation non-applying safety instructions.
•Proel S.p.A. reserves the right to change these specifications at any time without notice.
•Proel S.p.A. declines any liability for damages to objects or persons caused by lack of maintenance,
improper use, installation not performed with safety precautions and at the state of the art.
POWER SUPPLY
•Do not place the power adaptor and its cord near heat sources such as heaters or radiators, and do not
excessively bend or otherwise damage the cord, place heavy objects on it, or place it in a position where
anyone could walk on, trip over, or roll anything over it.
•Before connecting the product to the mains outlet make certain that the mains line voltage matches that
shown on the name plate of the adaptor and that the AC outlet is protected by a residual current circuit
breaker, a voltage tolerance of up to ±10% is acceptable.
•If you intend to use the device in an area other than in the one you purchased, the included power
adaptor may not be compatible.
•Use the supplied adaptor only. Using the wrong adaptor can result in damage to the device or
overheating.
•When setting up the device, make sure that the AC outlet you are using is easily accessible. If some
trouble or malfunction occurs, immediately turn the power off and disconnect the plug from the outlet.
Even when the power is turned off, electricity is still flowing to the product at the minimum level. When
you are not using the product for a long time or before electrical storms, make sure to unplug the power
cord from the wall AC outlet to reduce the risk of electric shock or fire.
CONFORMITY
•The product is in compliance with CE Directive LVD 2014 / 35 / CE as stated in EN 60065 standard.
•The product is in compliance with CE Directive EMC 2014 / 30 / CE as stated in EN 55103-1 and EN
55103-2 standards.
FCC COMPLIANCE NOTICE
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

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INTRODUCTION
Thank you for choosing this PROEL product and for your trust in our brand, synonymous of professionalism,
accuracy, high quality and reliability. All our products are CE approved and designed for continuous use in
professional applications.
DESCRIPTION
MQ is a series of mixers created by PROEL to offer in a very compact and stylish package a high input density,
a full set of features and a superior audio quality, at a very convenient price point. The MQ series includes 5
models with 6, 10, 12 and 16 inputs, able to satisfy most of the sound reinforcement applications. Carefully
designed and engineered in Italy by PROEL R&D, MQ mixers are hosted in ultra-rugged cases, providing
extended durability for a stage-proof use.
The smallest models of the series, MQ6 and MQ6FX, offer in an ultra-compact format the performance of
professional consoles, delivering a clean and accurate sound. The MQ6FX, despite its small size, includes a
high-quality 24-bit DSP able to provide musicians and performers with studio-grade effects.
MQ10FX, together with 3-band EQ and one-knob intelligent COMPRESSORS, offers also 100 DSP presets with
a convenient LED display for the selection.
MQ12USB additional features include an USB audio I/O interface and extended mixing capability with
MONITOR send, STEREO GROUP bus and 45mm control faders.
The top-of-the-line MQ16USB feature 16 inputs and 12 microphone channels together with sweep mids and
one-knob intelligent COMPRESSORS on mono channels, 4 AUX sends, STEREO GROUP bus and 60mm control
faders.
Optional padded carrying bags and metal brackets for 19” rack mounting are available for selected models.
INSTRUCTIONS
1. MIC-XLR / LINE-JACK combo input (ch. 1 / 2)
This is a female MIC-XLR / LINE-JACK combo connector that accepts a balanced microphone XLR input from
almost any type of microphone, or a balanced or unbalanced line level JACK input signal from almost any line
source.
The MIC-XLR input is wired as follows:
Pin 1 = shield or ground
Pin 2 = + positive or "hot"
Pin 3 = - negative or "cold"
The LINE-JACK input is wired as follows:
Tip = + positive or "hot"
Ring = - negative or "cold"
Sleeve = shield or ground
When connecting an unbalanced signal, wire them as follows:
Pin2 / Tip = + positive or "hot"
Pin 1-3 / Sleeve = shield or ground

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2. LO CUT switch (ch. 1 / 2)
This switch cuts bass frequencies below 75 Hz at a rate of 18 dB per octave. We recommend that you use the
LO CUT filter on every microphone application except kick drum, bass guitar, bassy synth patches or
recordings. These aside, there isn’t much down there that you want to hear and filtering it out makes the low
stuff you do want much more crisp and tasty. Not only that, but the LO CUT filter can help reduce the
possibility of feedbacks in live situations and it helps to conserve the amplifier power. Another way to use the
LO CUT filter is in combination with the LOW EQ on vocals during live performances. Many times, bass
shelving EQ can really benefit voices. Trouble is, adding LOW EQ also boosts stage rumble, mic handling
clunks, and breath pops.
3. CHANNEL GAIN control (ch. 1 / 2 / 3-4 / 5-6)
The gain control adjusts the input sensitivity of the mic and line inputs. This allows the signal from mics and
instruments to be adjusted to optimal internal levels. If the signals are plugged into the XLR input there is a 0
dB of gain with the knob turned all way down, rising up to 40 dB of gain fully up. When connected to the jack
input of any channels, there is 20 dB of attenuation all way down and 20 dB of gain fully up.
4. COMP compressor control (ch. 1 / 2)
Each mono channel features a single-control compressor, able to adjust the overall dynamic range of the
signal and to increase its loudness. When rotating the control to the right, the loudest signals are reduced in
order to avoid clipping, while the quietest parts are boosted, producing a smooth, unified sound with no
excessive peaks or distortion.
NOTE: avoid setting the compression too high, as the higher average output level that results may lead to
feedback.
5. COMP indicator (ch. 1 / 2)
The COMP LED lights when the signal compression effect is engaged (it depends on the position of the
control and on the audio signal level).
6. EQ section HIGH control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10)
This control gives you up to 15dB boost or cut at 12KHz with a “SHELVING” curve shape. Use it to increase or
reduce the sound “clarity” or “brightness”.
7. EQ section MID control (ch. 1 / 2 / 3-4 / 5-6)
This control gives you up to 15 dB boost or cut at 2.5 KHz with a “PEAKING” curve shape. Use it to increase or
reduce the sound “presence”.
8. EQ section LOW control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10)
This control gives you up to 15dB boost or cut at 80Hz with a “SHELVING” curve shape. Use it to increase or
reduce the sound “punch”.
9. FX send control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10)
This control sends the signal to the internal Digital Effect Processor. This signal is post-fader or, in other
words, it depends on the position of the channel's FADER.
10. PAN control (ch. 1 / 2)
It adjusts the amount of channel signal sent to the left versus the right outputs. Use it to position the sound
origin in a panoramic stereo scene.

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11. FADER LEVEL control (ch. 1 / 2 / 3-4 / 5-6 / 7-8 / 9-10)
It adjusts the level of the channel signal and send it to the MAIN MIX outputs.
12. PEAK detector (ch. 1 / 2 / 3-4 / 5-6)
The PEAK LED indicates that the input signal is near to the CLIPPING point.
IMPORTANT: if the LED PEAK flashes reduce the level of the input signal using the GAIN control.
13. MIC-XLR / LINE-JACK L MONO combo input (ch. 3-4 / 5-6)
This is a female JACK/XLR combo connector that accepts a balanced microphone XLR input from almost any
type of microphone or a balanced or unbalanced line level JACK input signal from almost any line source. If
the LINE R jack is not inserted, this channel operates like a MONO channel with this input as a single signal
source. Wiring is the same of previous paragraphs.
14. LINE-JACK R Input (ch. 3-4 / 5-6)
This is a JACK connector that accepts a balanced or unbalanced line level input signal from almost any line
source. This is used only in presence of LINE L jack input to use the channel as STEREO.
15. BAL control (ch. 3-4 / 5-6 / 7-8 / 9-10)
It adjusts the amount of channel signal sent to the left versus the right outputs if the channel is used as
MONO, or it fades the LEFT or RIGHT signal amount if the channel is used as STEREO.
16. LINE LEFT/MONO jack input (ch. 7-8 / 9-10)
This is a female JACK connector that accepts a balanced or unbalanced line level input signal from almost any
line source. If the RIGHT jack is not inserted, this channel operates as a MONO channel with this input as a
single signal source. Wiring is the same of previous paragraphs.
17. LINE RIGHT jack input (ch. 7-8 / 9-10)
This is a JACK connector that accepts a balanced or unbalanced line level input signal from almost any line
source. This is used only in presence of LEFT jack input to use the channel as STEREO.
18. LINE RCA L & R inputs (ch. 7-8 / 9-10)
These RCA inputs can be used instead of the jack inputs: they accept an unbalanced line level input signal
from almost any line source.
19. FX MUTE pedal jack input
You can connect a footswitch (normally open) to MUTE the internal effect (suggested footswitch is PROEL
model GF29).
20. FX SEND jack output
This jack connector sends out unbalanced line-level signals made of the sum of the input channel’s FX sends,
usually for connecting to an external effect devices or a stage monitor. This signal is post-fader or, in other
words, it depends on the position of the channel’s FADER.
21. FX PRESETS selector
The internal Digital Effect Processor is built around a powerful 24bit DSP. It includes 100 different presets of
studio-grade effect algorithm.

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HOW TO USE THE FX:
- rotate the SELECTOR knob (21) to choose the type of effect (preset) you want to use; rotating the knob the
number on the display scrolls and flashes. After you have chosen the effect, press the SELECTOR (21): the
preset will be loaded and the number on the display will remain fixed.
- send the signal to the effect with the FX control (9) of the channel you want to add the effect to;
- rotate the FX LEVEL (25) knob until you hear the effect added to the original signal;
- adjust the FX controls (9) just before the signal input clipping indicated by the peak led (24);
- re-adjust the FX LEVEL (25) knob to combine the wet effected signal with the natural dry signal.
PRESET DESCRIPTION:
p 00-09. HALL – This type of reverb simulates the ambience of a concert hall varying its size from larger to
smaller. Dense, smooth reverb with long pre delay and a lot of high frequency reflections. Works well
with vocals, electric and acoustic guitars, strings and woodwinds.
p 10-19. ROOM – This type of reverb reproduces the more intimate ambience of natural room acoustics. It
features a lot of early reflections with a few of high frequency. Emulating two different type of rooms
and scaling their size from bigger to smaller (10-14 and 15-19), works well with vocals, fingered
guitars, drums.
p 20-29. PLATE – This is a simulation of classic '70s and '80s metal plate reverbs, starting with a longer tail
scaling to shorter tail. Works well with vocals, and any instrument in order to achieve the vintage
sound of many recordings.
p 30-39. MONO DELAY – Typical echo + feedback effect with decreasing delay times.
p 40-49. STEREO DELAY – Typical echo + feedback effect with ping-pong of left and right channels with
decreasing delay times.
p 50-59. FLANGER – Creates a strong sweeping effect with decreasing times, particularly effective on rock
electric guitar, lead and rhythm.
p 60-69. CHORUS – Provides a soft, ethereal sweeping effect with decreasing times, perfect for
enhancement of electric and acoustic guitar and bass. Also adds a dramatic effect to vocals,
particularly group harmonies and choirs.
p 70-79. DELAY+REV - Typical reverb and echo effect combined together with decreasing times.
p 80-89. FLANGER+REV - Typical reverb and modulation effect combined together with decreasing times.
p 90-99. CHORUS+REV – Typical reverb and modulation effect combined together with decreasing times.
22. FX DISPLAY number
This display shows the number of the currently loaded preset. When rotating the FX selector, the display
scrolls the numbers and flashes until the new preset is confirmed by pressing the FX selector knob.
23. EFFECT MUTE button
Engage this switch if you want to mute the signal outgoing from the internal effect to the MAIN MIX.
24. EFFECT PEAK/MUTE detector
This LED shows 2 conditions:
•always lighted = signals that the effect is MUTED.
•flashing = signals a too high input level, near to the overload of the effect input stage that can cause
audible distortion. In this case, reduce the level of the FX sends.
25. FX LEVEL control
It adjusts the level of the internal effect signal sent to the MAIN MIX outputs.