Audiopole M12 User Manual

12 CHANNEL MIC/LINE MIXER

M12

USER’S MANUAL

POWER SUPPLY

Ensure that the insource voltage (AC outlet) matches the voltage rating of the product. Failure to do so could
result in damage to the product and possibly the user. Unplug the product before electrical storms occur and
when unused for long periods of time to reduce the risk of electric shock or fire.

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EXTERNAL CONNECTION
Always use proper ready-made insulated mains cabling (power cord). Failure to do so could result in shock/
death or fire. If in doubt, seek advice from a registered electrician.

FUSE
To prevent fire and damage to the product, use only the recommended fuse type as indicated in this manual. Do
not short-circuit the fuse holder. Before replacing the fuse, make sure that the product is OFF and disconnected
from the ACD outlet.

PROTECTIVE GROUND
Before turning the unit on, make sure that it is connected to Ground. This is to prevent the risk of electric shock.
Never cut internal or external Ground wires. Like wise, never remove Ground wiring from the Protective Ground
Terminal.

OPERATING SAFETY INSTRUCTIONS
Read these instructions. Follow all instructions. Keep these instructions. Do not discard. Heed all warnings.
Only use attachments/accessories specified by the manufacturer.

This symbol indicates that the disposal of this product is submitted to local regulations. Please
contact your local dealer.

DISPOSAL

Important Safety Instructions

This symbol, wherever used, alerts you to the presence of un-insulated and dangerous voltages
within the product enclosure. These are voltages that may be sufficient to constitute the risk of
electric shock or death.

This symbol, wherever used, alerts you to important operating and maintenance instructions

DO NOT REMOVE ANY COVERS

Within the product are areas where high voltages may present. To reduce the risk of electric shock do not
remove any covers unless the AC mains power cord is removed. Covers should be removed by qualified service
personnel only. No user serviceable parts inside.

POWER CORD AND PLUG
Do not tamper with the power cord or plug. These are designed for your safety. Do not remove Ground
connections! If the plug does not fit your AC outlet seek advice from a qualified electrician. Protect the power
cord and plug from any physical stress to avoid risk o electric shock. Do not place heavy objects on the power
cord. This could cause electric shock or fire?

SERVICING
Refer all servicing to qualified service personnel only. Do not perform any servicing then those instructions
contained within this User’s Manual

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Index

1.  Introduction ……………………………………………………………………….. 4

2.  Features ..…………………………………………………………………… 4

3.  Controls ………………..………………………………………………………….. 5

4.  Installation Tips …………………………………………………………………… 8

5.  Preset List……………………………………………………….……...…………. 9

6.  Hookup Diagram………………………………………………………………….. 10

7.  Wire Connections ……………………………………………………………….… 11

8.  Technical Specifications………………………………………….…………..…… 12

9.  Block Diagram ………………………………………………………………..…… 13

10.  Warranty …………………………………………………………………………… 14

11.  Notes ……………………………………………………………………………….. 15

Introduction

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Thank you for the purchase of the M12 AUDIOPOLE. This mixer has 12 input channels and is equipped with a
24-bit digital effects processor. It has 4 microphone inputs and 4 stereo line inputs and is particularly suitable
for live applications, studio or multimedia. The effects processor features 100 presets grouped into 10
categories. A 3-band EQ and a +48 V Phantom power supply are available for each microphone channel. Two
separate outputs can be addressed independently for the main mix and the monitoring.

Features

•  4 mono inputs with gold plated XLR and balanced ¼’’ TRS Jacks,

•  4 stereo inputs with balanced ¼’’ TRS Jacks,

•  Ultra low noise pre-amp with 48 V Phantom power supply for electret microphones,

•  3 band EQ for microphone inputs,

•  24 bit digital effects processor including 100 presets,

•  Individual peak level LED,

•  AUX send for external processor device,

•  Main mix and headphones/monitor outputs,

•  4 segments LED-meters for output signal control.

1

2

Controls

FRONT PANEL

1 - MIC INPUT

The M6 is equipped with 4 ultra low noise Mic Preamps within a range of 50 dB
gain. They are equipped with a 48V Phantom power supply for electret
microphones. It must be switched off if you use other types of microphones. The
Phantom power is activated via the switch (28).

These four channels are also equipped with ¼’’ Jack for other deviices or effects
processors having balanced/unbalanced line level.
Caution, never connect a line level signal in the XLR mic input if the Phantom
power is activated, this can seriously damage the equipment.

2 - STEREO LINE INPUT

Channels 5/6 to 11/12 are grouped by stereo pair with ¼’’ Jack plugs. If only the
left jack (L) is connected, the input behaves as a mono input, by duplicating the
signal on the right side (R).

3 - GAIN

Allows to adjust the input gain from 0 to 50 dB. For optimal use, this control must
be adjusted in such a way that the Red PEAK LED lights only occasionally.

4 - 75Hz

75 Hz filter on/off switch. This low-cut filter allows to eliminate any hum induced by power supplies or picked up
by the microphones.

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3

3

4

1

2

5

6 - HI

Affects the treble frequencies above 12 kHz. Enhanced adds a degree of
transparency to the voice and the guitar, and makes more crystal clear
cymbals. Attenuation reduces the sibilants.

7 - MID

This filter works around 2.5 kHz and specifically affects the top of the spectrum
of male voices and the bottom of the spectrum of women's voices. It also acts
on the harmonics of most instruments.

8 - LOW

Affects the frequencies below 80 Hz. Allows to 'punch' a bass drum and a bass
guitar or reduce infrasound and resonances while preserving the life of the
speakers.

6

7

8

3-Band EQ

A 3-band EQ is available for each microphone input providing attenuations and boots of ± 15 dB for Treble and
Bass, and ± 12 dB for Medium. EQ is not acting when the settings are in the central position.

5 - +4/-10 SWITCH

These switches are used to select the input sensitivity of the line inputs on the stereo channels. +4 dBu is
suitable for professional audio devices and -10 dBv is suitable for general devices.