This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Subtractive synth diagram.svg block diagram of simple subtractive synthesizer own Shape File Synth Diag svg Synth Diag File Synth Diag VCO svg Synth Diag VCO File Synth Diag VCF svg Synth Diag VCF File SynthDiagVca svg SynthDiagVca File SynthDiagEnv svg SynthDiagEnv File SynthDiagLfo svg SynthDiagLfo File Synthesizer components