
rates) and 142 destinations, which is
considerably more than the Prophet 12.
When you add the destinations accessible
directly from the auxiliary contour
generators and the LFOs, the power
of the Pro 2’s modulation architecture
becomes readily apparent.
The four CV outputs on the rear
panel of the synth are four of the
destinations in the modulation matrix,
and these suggest all manner of exciting
possibilities. But while I’ve read eulogies
elsewhere regarding the analogue I/O,
I have to wonder if the writers ever
tried using it, because this was the one
area in which the Pro 2 presented some
unexpected difficulties.
I took my Roland SH101 and patched
the Pro 2’s CV Out1 and Gate Out to the
SH101’s CV In and Gate In, then directed
the Note Number to CV1 Out in the
modulation matrix and played... and the
notes I obtained from the SH101 were
three octaves higher than I expected.
their own programming pages. (Of
course, all five contours are also freely
assignable within the modulation matrix,
and we’ll get to that in a moment.) There
are also four LFOs, each offering control
over rate, amount and waveshape and,
in addition to being available as sources
within the modulation matrix, each
can be directed to the complete list of
destinations from within their own pages.
Each LFO is individually sync’able to
the internal clock or MIDI, and you have
control over slew rate, wave reset at the
start of each note, and the phase of the
waveform when reset.
This then brings us to the modulation
matrix itself, which offers 16 freely
programmable slots (source, amount
and destination) plus 25 described as
‘fixed’, although many of these still allow
you to determine the destination and/
or modulation amount as you choose.
So, that’s 41 slots offering a total of 51
sources (many of which can run at audio
so, if you want the sound of the Pro 2
going through an Electric Mistress, you’ll
just have to plug it into one. But imagine
what you can do with four delay lines
that allow you to modulate all of their
delay times, feedback amounts, levels
and pans independently, and which also
offer independent LP/HP filtering for
each! The potential for spatial effects is
mind‑boggling. Nonetheless, if for some
reason you have access to only a single
quarter‑inch cable, an unusual but very
welcome mono mode defeats the pan
and stereo modulation settings so that
a sensible monophonic signal emerges
from a single output.
Modulation & Analogue
Control
In addition to those already mentioned,
there are two further contour generators
that you can assign to the full set of the
Pro 2’s modulation destinations within
The Pro 2’s front panel measures 74.2 x 32.5 cm.
ON TEST
DAVE SMITH INSTRUMENTS PRO 2
104
January 2015 / www.soundonsound.com
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