A
monophonic analog synthesizer with a 37-note
keyboard. Released in
1978.
The CS-15 is essentially two
CS-5s together, as separate
signal paths with their own VCOs, VCFs, VCAs and envelope generators.
The 2
VCOs feature a 64'-2'
range, and are switchable between
sawtooth,
square and
triangle waveforms, with a
white noise generator included. There are controls for
PWM as well as
individual auto-
glide for both
oscillators. VCO2 is detuneable.
Two resonant 12
dB/
octave* multimode
VCFs are featured in the
filter section. They can be switched between high-, low- and band-pass. Modulation can be done through the single LFO or by either of the 2
ADSR EGs (with positive or negative
polarity). An external
input for modulating a remote
source is also available.
The
LFO offers
sine and sawtooth waveforms, with non-triggerable
sample/hold. Oscillation
speed is adjustable between 0.1-1000
Hz. It can modulate both VCO and VCA individually, as well as the
pulse width on both VCOs.
Other features include controls for
portamento,
pitch bend and
"brilliance" (the cut-off
frequency of either/both VCF).
On the back panel there are2
audio outputs with a
headphone jack, separate CV inputs for both VCOs, CV out,
trigger in/out plus the aforementioned external audio input.
* 6dB/octave in the band-pass mode
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