TTSH - Preamplifier, Envelope Follower and Ring Modulator Done Tue 21 April 2015 TTSH synthesizer / music Yesterday I have also finished the section with preamplifier, envelope follower and ring modulator: 20150421_194310_5342m Main Board, Preamplifier, Envelope Follower and Ring Modulator Completed Switch, jacks and sliders still missing. TTSH - VCA Done | TTSH | TTSH - Mixer, Reverb, Noise and Voltage Processors Done TTSH - VCA Done | TTSH - Preamplifier, Envelope Follower and Ring Modulator Done | TTSH - Mixer, Reverb, Noise and Voltage Processors Done