Front & Rear Panels

Rear Input/Output Section

 

6

7 8 9 0

3

2

A B

5

4

 

1

1Channel Input jacks

•MIC jacks (MG16/4: CHs 1 to 8, 9/10, 11/12. MG12/4: CHs 1 to 4, 5/6, 7/8)

These are balanced XLR-type microphone input jacks (1:Ground; 2:Hot; 3:Cold).

•LINE jacks (MG16/4: CHs 1 to 8. MG12/4: CHs 1 to 4)

These are balanced TRS phone-type line input jacks (T: Hot;

R: Cold; S: Ground).

You can connect either balanced or unbalanced phone plugs to these jacks.

Where an input channel provides both a MIC INPUT

NOTE jack and a LINE INPUT jack, you may use either one of these jacks but you may not use both at the same time. Please connect to only one of these jacks on each channel.

3Channel Input jacks

These are unbalanced stereo line input jacks. Two jack types are provided: phone type (MG16/4: CHs 9/10 to 15/16; MG12/4: CHs 5/6 to 11/12) and RCA pin type (MG16/4: CHs 13/14, 15/16; MG12/4: CHs 9/10, 11/12).

Where a channel provides both a phone jack and an

NOTE RCA pin jack, you may use either one of these jacks but you may not use both at the same time. Please connect to only of these jacks on each channel.

4GROUP OUT (1, 2) Jacks

These are impedance-balanced phone-type output jacks that output the Group 1-2 signals. Use these jacks to connect to the input jacks of an MTR, external mixer, or other such device.

2INSERT I/O Jacks

Each of these jacks is positioned between the equalizer and fader of the corresponding input channel (MG16/4: CHs 1 to 8; MG12/4: CHs 1 to 4). These jacks can be used to indepen- dently connect these channels to devices such as graphic equal- izers, compressors, and noise filters. These are TRS (tip, ring, sleeve) phone jacks that support bidirectional operation.

Connection to an INSERT I/O jack requires a spe-

NOTE cial separately-sold insertion cable such as illus- trated below.

To the input jack of the external processor

To the INSERT I/O jack

Sleeve Tip

Sleeve

Ring

Tip

To the output jack of the external processor

The signal output from the INSERT I/O jacks is reverse-phased. This will not be a problem if con- necting the jack to an effector. If using the jack to out- put to an external device, however, please be aware of possible phase conflicts with other signals.

5ST OUT (L, R) Jacks

These jacks deliver stereo output of the mixed signal. You use these jacks, for example, to connect to the power amplifier driving your main speakers. You also use these jacks when you wish to record the signal utilizing the level control applied by the ST fader in the Master Control section.

•XLR jacks

XLR-type balanced output jacks.

•Line jacks

TRS phone-type balanced output jacks.

6C-R OUT Jacks

Use these stereo phone-type output jacks to connect to your monitor system.

The signal monitored by these jacks is selected by

NOTE the settings of the ST-GROUP toggle switch, the 2TR IN switch, and the PFL switches on the input channels.

7SEND Jacks

•AUX1, AUX2

These are impedance balanced phone-type output jacks. These jacks output the signals from the AUX1 and AUX2, respectively. Use these jacks to output these signals to an effector or a cue box or other such monitor system.

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MG16/4, MG12/4

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Yamaha 12/4 Channel Input jacks, Group OUT 1, 2 Jacks, Insert I/O Jacks, ST OUT L, R Jacks, R OUT Jacks, Send Jacks
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12/4 specifications

The Yamaha 12/4 mixer is a compact yet powerful audio mixing console that has gained popularity among musicians, audio engineers, and sound technicians. Renowned for its versatility and robust build, this mixer is ideal for both live sound and studio applications.

One of the standout features of the Yamaha 12/4 is its 12-channel configuration, which includes four microphone inputs with high-quality preamps. These preamps are designed to capture audio with remarkable clarity and low noise levels, making them perfect for a variety of sound sources, from vocals to instruments. The four XLR inputs are complemented by additional line-level inputs, offering flexibility to connect multiple devices.

Each channel on the Yamaha 12/4 mixer is outfitted with a three-band equalizer, allowing users to shape their sound effectively. The EQ provides control over low, mid, and high frequencies, enabling precise adjustments to tailor the mix to specific requirements. This level of control is particularly beneficial for live performances, where quick tweaks can significantly enhance the audio experience.

The mixer also includes an onboard effects processor with a range of digital effects, such as reverb and delay, adding depth and dimension to the sound. This feature is a valuable asset for performers looking to enrich their live sound without the need for external effects units.

In terms of connectivity, the Yamaha 12/4 offers various outputs, including main outputs and auxiliary sends. These outputs allow for simple routing of audio signals to speakers, monitors, or recording devices. The auxiliary sends can be utilized for stage monitoring or for sending signals to external processors, enhancing the mix's overall versatility.

The design of the Yamaha 12/4 is both user-friendly and compact, making it an ideal choice for smaller venues and mobile setups. Its lightweight chassis and robust construction ensure durability during transport and frequent use, while clearly labeled controls facilitate ease of use for both novice and experienced operators.

In conclusion, the Yamaha 12/4 mixer combines quality, functionality, and versatility in a compact form, making it an excellent choice for audio professionals looking for a reliable mixing solution. With its high-quality preamps, flexible EQ, digital effects, and robust build, the Yamaha 12/4 stands out as a valuable tool for anyone in the sound industry, whether in the studio or on stage.
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