Uploaded May 2012 | Updated September 2026, 4 hours ago
More info... RucciElectronics.com/0019
Built inside the shell of a Marsona 1200A vintage soothing sound machine is a not-so-soothing noise device. This was later rebuilt in May of 2012. The updated circuit is based on the Auto-Step Synthesizer. It has controls for LFO speed, frequency, and pulse length, as well as filter and volume.
More info... RucciElectronics.com/0019
Built inside the shell of a Marsona 1200A vintage soothing sound machine is a not-so-soothing noise device. This was later rebuilt in May of 2012. The updated circuit is based on the Auto-Step Synthesizer. It has controls for LFO speed, frequency, and pulse length, as well as filter and volume.










