Axe-Fx III

Blocks Guide Description

The Mixer block can mix different stereo signals into one stereo or mono downmix. It has six inputs (four on the FM3) and six pairs of gain and balance controls.

The six mixer channels are “hard-wired” to the six grid rows of the column directly to the left of the mixer block. In the example shown on the right, the Filter is on Row 1, so the Row 1 Gain and Row 1 Balance parameters of the mixer will determine how the signal from the filter is passed to the mixer’s output. The PEQ is on Row 2, so the Row 2 Gain and Row 3 Balance parameters of the mixer will determine how the signal from the PEQ is passed to the mixer’s output, and so on.

Empty rows are still counted. For example, if only the Compressor block were connected to the mixer, the Row 3 controls would still be used because the compressor is on row 3.

All six mixer inputs are stereo. The Balance for a given row controls the left/right input balance for that channel. When the balance for an input channel is set fully left, only the left channel of that channel will be heard at the mixer’s output. (Remember that even blocks which process audio in mono still have both Left and Right outs, as well as their own output Balance controls.

Be sure to check out the Axe-Fx Wiki for more details.

Also check out the Axe-Fx II’s Mixology section that provides more detail. These concepts also apply to the Axe-Fx III (and FM3).

Axe-Fx III Mixer Block Articles

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FM3 Mixer Block Articles

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Axe-Fx II

Owner’s Manual Description

The Mixer block contains a simple, linear mixer able to combine up to four stereo signals into either a stereo or mono mix. Each pair of gain and balance controls corresponds to a row of the grid.


Mixology

The MIXER and FX LOOP blocks—and every preset’s output mixer—all contain 4‐channel mixers. As on a real mixer, the LEVEL/GAIN parameters on the input channels determine what comes into the mixer. The overall mix may then be acted upon by master output GAIN or LEVEL, and, where applicable, master balance controls.

Owner’s Manual screenshot because HTML tables don’t work well….


All mixer inputs are stereo. The BALANCE controls determine the left/right output balance of each channel. When the balance for an input channel is set fully left, only the left channel of the block connected at that channel will be heard at the mixer’s output; its right channel is silenced. Remember that every BLOCK in the Axe-Fx II has Left and Right outs, even in cases where the signal is summed to dual mono (as is the case with the AMP, CAB, pedal type Compressor, and, depending on their settings, certain other blocks as well).

Knowing what you now know about Axe-Fx II mixers, take a look at the Output mixer of a preset, located on the MIX tab of its LAYOUT menu. On the surface, the output mixer looks like this:

But you can easily understand that these controls actually perform the functions illustrated below:

To review: channels 1-4 of the OUTPUT mixer are fed respectively by the stereo outputs of rows 1-4 of the grid. Each “channel” has a LEVEL that determines the gain of the incoming signal (+/- 20dB) and a BALANCE control that determines how the LEFT and RIGHT channels contribute to the final mix. A master GAIN slider offers +/-20 dB control over the final mixed output.

Be sure to check out the Axe-Fx Wiki for more details.

Axe-Fx II Mixer Block Articles

AX8
The AX8 does not have the Mixer block.
FX8
The FX8 does not have the Mixer block.

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