A monophonic analog synthesizer
with a 37-note keyboard
. Released in 1978
The CS-15 is essentially two CS-5
s together, as separate signal paths
with their own VCOs, VCFs, VCAs and envelope generators.
The 2 VCO
s feature a 64'-2' range
, and are switchable between sawtooth
and triangle waveforms
, with a white noise
generator included. There are controls for PWM
as well as individual
for both oscillators
. VCO2 is detuneable.
Two resonant 12dB
* multimode VCF
s 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.
and sawtooth waveforms, with non-triggerable sample/hold
. Oscillation speed
is adjustable between 0.1-1000Hz
. 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
(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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