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Roland SH-09 (1979)

Roland SH-09

Trend price : 500€

Compact monophonic machine based on 1 VCO oscillator and stripped-down version from the bigger brother Sh-2.

Overview
(weight: 6 kg) 32 keys The main panel features 3 silver rotary potentiometers, 6 switch tabs and 19 sliders, on the left part there is a joystick for modulation and pitchbending functions.
Back panel terminal connectors:
- mono out
- headphones out
- CV Gate interface
- audio input to process external line sources


Voice
single VCO oscillator based on integrated chip BA662A. SH-09 structure is pretty simple : 1 VCO + 1 SUBoscillator at 3 octaves heights

Oscillator
the main VCO can be set at 32' 16' 8' 4' 2' and features 4 waveforms:
- pulse with variable width, also assignable to modulator LFO or EG
- noise
- sawtooth
- square

Performance
some functions for performance play:
- joystick can be assigned to both VCO pitch and VCF cutoff with adjustable amount
- special portamento play with variable time.

Filter
powerful resonant 24 dB/octave lowpass, cutoff range from 10Hz to 20kH.
VCF can be used also as EG follower using external signal sources.

LFO
single delayed modulator (sin/sqr/rnd) and 3 destinations:
- VCO pitch
- PWM pulse
- VCF cutoff

Envelope
a single 4-stages EG with polarity inversion for:
- VCA amplitude
- VCF cutoff


Audio demo:


Video Clip:

video clip


Review
OK: sound / sturdy case
NOT : 1 VCO / limited parameters
"Love that Roland little beast ! Deep filter serious sound with sub oscillator."

cool


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Text , review, special demos copyright polynominal.com / Eric Pochesci

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