I had been experiencing pitch instability on my 258J VCOs. It seems that the frequency pots had become scratchy, because by rotating them a few times the instability would stop. … Read More

The Dannysound Cali Osc is one of two new, analog VCOs available from Thonk only as DIY kits. The Cali oscillator is a new and improved version of the classic … Read More

Quantity: 1 This is the Resonant Gate designed by Craig Lee, based on the original low pass gate Don Buchla circuit.  The complete discussion is on Muff’s message board. There … Read More

This is a DIY Buchla 281 Function Generator, built on the printed circuit board by Toppobrillo.  The discussion on Muff’s message board has the details.  It’s actually one half of … Read More

Quantity 2 This is my build of the J3RK Buchla 258J VCO board, as discussed on Muff’s message board: Board thread Build and mod thread I put it into my … Read More

Quantity: 2 (of course) This module is derivative of the Buchla 292c Lopass Gate.  The PC board and assembly instructions were made by Thomas White, described on his site on … Read More

Quantity: 0 From the Cyndustries website: Nothing can match the buttery soft response this circuit evokes when commanded “to dance!” by an impatient pulse or envelope. That unique flitty, percussive, … Read More