Analysing the sound of the mystery transistor An update on our previous post on the mysterious 2SC828 R-NZ “noise selected” transistor that was used as the noise source for the Roland TR-808 drum machine. The observations and conclusions here are...
The Korg 35 filter Back in the 1970’s when Korg, Roland and Yamaha were bringing out their now classic synths and drum machines one of the hallmarks of their design was the supremely clever little circuits that the Japanese engineers came up with to fulfill the...