7.1 Dual Channel Mixer Overview:
The dual mixer section is deeper and more useful than it may appear. It is a 2 channel mixer
and a 3 channel mixer joined together and capable of mixing both audio or control voltages,
In normal operation, channels 1, 2, 3, 4, and the preamp combine to work as a single 5
channel mixer. However, patching into the [Mixer 1+2 Output Jack] splits the mixer into two
independent mixers. Channel 1 and Channel 2 are sent to the [Mixer 1+2 Output Jack] while
channel 3, 4, and the preamp are sent to the [Mixer Output Jack]. Patching into the [Preamp
Output Jack] removes the preamp from the [Mixer Output Jack].
The ability to split the mixer adds an important level of exibility to potential patches. Channel 1
and 2 can be used to mix a pair of CV signals while channel 3, 4, and 5 mix the audio from the
3 oscillators. This is just one of many possibilities.
7.1 Dual Channel Mixer Internal Routing:
The dual mixer is internally normaled to the oscillators and the noise source. Channel 1 is
normaled to Oscillator 1. Channel 2 is normaled to Oscillator 2. Channel 3 is normaled to
Oscillator 3. Channel 4 is normaled to Noise. Plugging a patch cable into the [Mixer Channel
Input Jack] will remove the normaled audio source from the signal path. The preamp is not
normaled to any signal.
7.2 Dual Channel Mixer Gain Staging:
The internal gain structure of the mixer was designed to mix 3 oscillators and the noise source
cleanly with the [Mixer Channel Knobs] set to around 12 or o’clock. Precise knob positions
depend heavily on the selected waveforms. When mixing fewer channels the [Mixer Channel
Knobs] can be turned up. The [Mixer Channel Knobs] can also be turned up on purpose to
distort the output of the mixer.
7.3 Preamp:
The preamp uses a high gain, soft clipping overdrive limiter circuit to increase the level of audio
signals. The preamp can be used to cleanly increase the level of external audio to internal
signal levels, or it can be used as an overdrive / limiter for internal signals. This circuit sounds
very nice patched between the mixer and the lter. It can also be used to patch the output of
Taiga back into the mixer section creating a unique feedback drive effect. The [Preamp Output
Jack] is normaled to the mixer output. Plugging a patch cable into the [Preamp Output Jack]
will remove the preamp from the mixer signal path.
7 Dual Mixer / Preamp Modules
preamp
out
in
mixer
1+2
mix
ch 4
ch 2ch 1
ch 3
osc 2
osc 1
noise
1x 30x
osc 3
channel 3
gain
channel 4
channel 1 channel 2
level
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