Description

1. This is a very simple compact way to get CV clock signals in and out of the Buchla Music Easel.
2. It takes a CV clock input — perhaps from a Korg Volca, Roland Boutique, Teenage Engineering Pocket Operator, a Eurorack Synth or a vintage drum machine — scales the pulse correctly and lets you send that pulse to drive the sequencer, random clock, envelope generator or pulser.
3. Just pure analog pulses, no MIDI shenanigans here.
4. At the same time, it takes the Pulser CV clock, scales it to a safe +5v level, and outputs that through a 3.5mm socket as CV clock to drive other devices (like Volcas or Boutiques or Pocket Operators).
5. This is a very compact ready-assembled expander with pleasingly high quality Grayhill switches.
6. Because of the internal normalisation on the Music Easel, it’s not always completely intuitive what’s going on. For example, if you send the external clock to the Pulser, with the Sequencer driven by the Pulser, then the ‘Sequence’ switch on the expander won’t do anything.

We do not believe these cards are not compatible with Roman Filippov’s 208r rev 1, his first prototype clone. However they are tested and working on all following 208r versions and confirmed as working perfectly with the Buchla 208C.