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EXi: MS-20EX
294
Clearing all connections from the Patch Panel
To completely clear the Patch Panel, so that you can
start from scratch:
1. Open the menu, and select the Delete All
Connections command.
All connections will be deleted.
Different jacks have different voltage scales
Pay attention to the voltage indications (0~+5, -
5V~+5V, 5Vp-p, GND, etc.) on the Patch Panel, and
their relationships to the block diagram and signal
flow chart.
For instance, if you connect a -5~+5V control signal to a
0~+5V input jack, nothing will happen during the -
5~0V portion of the control signal. It will only operate
from 0V to +5V. Always consider both the
characteristics of the output and the input.
Patch Panel modifications - new inputs/outputs shown in red
Patch Panel modifications
In comparison to the original MS-20, the MS-20EX has
some important additional features on the Patch Panel.
These include:
• Individual access to each of the two oscillators, two
filters, and final VCA
• Separate EXi AUDIO INPUT and BAND PASS
FILTER IN, which allow you to route signals
through the band pass filter and/or frequency-to-
cv converter, while using the audio input
separately
• Dual two-input mixers with phase inversion
These modifications open up many new possibilities,
such as:
• Route VCO 1 through the HPF, and VCO 2
through the LPF (or vice-versa)
• Mix VCO 1 and VCO 2 together, and then route the
mix through the HPF and LPF in parallel, instead of
in series
• Use AMS of the MIXER LEVELS to modulate the
relative levels of these parallel filters, from physical
controllers, LFOs, EGs, etc.
• Route any audio source (such as a VCO or the
NOISE GENERATOR) through the BAND PASS
FILTER, and then mix the results back in to either
the HPF or LPF, or to the final VCA
• Invert the polarity of a modulation or audio signal
via MIXER 1 or 2
• Use VCO1 or 2 to modulate LPF or HPF cutoffs, or
VCA gain
• Reverse the order of the LPF and HPF (most
noticeable with high PEAK settings)
• ...and many more avenues for you to explore on
your own.