Wayne Joness – Roland GR-300 Filter LFO Modulation Custom Upgrade Analog Synthesizer
June 19, 2015 · Posted in Uncategorized
http://www.joness.com/gr300/GR-300.htm
A Roland GR-300 is modified that the LFO can modulate both the pitch (standard) and the Low Pass Filter (VCF). This mode was originally suggested my Mike at metalbox.com, and was posted on the vintage Roland guitar synth forum in August 2013.

