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Saturday, October 20th, 2018 10:54 pm

Synth Glossary

Filter:
A filter filters out certain frequencies in the sound. There are four main types: a low-pass, high-pass, band-pass and notch, which are covered elseware in the glossary. Filters have two controls - the frequency control selects at which frequency the filter should start operating and the resonance control creates a peak just before the bit where it starts filtering out frequencies. This is used to create acid-type sounds....

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SH-09
The SH-09 (or Synthesizer-09) is a single VCO monophonic analog synthesizer with a 2 1/2 octave, 32-note (F-C) keyboard. The VCO is switchable between 5 octaves: 2', 4', 8', 16', 32'. Available waveforms are sawtooth, square, pulse (with pulse width modulation), or white noise. There is also a sub-oscillator switchable between a square wave one octave down, a square wave two octaves down, and a pulse wave three octaves down. It is possible select the noise source at your oscillator and still have the sub-oscillator as a waveform. The VCF is self oscillating and can be modulated by the envelope follower which is wired to the external input. The envelope generator is an ADSR (attack decay sustain release) with a slider for each stage. On the control panel to the left of the keyboard is a horizontal pitch-bend/modulation lever, with pressure up and down controlling modulation amount. There are also two sliders controlling amount of modulation routed to the VCO and VCF, as well as a slider adjusting portamento amount and the main power switch. On the back panel there is a main output, and the CV/gate inputs and outputs.

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