Are you in a warranty-voiding mood? Have you got a soldering iron?

The KORG volca bass is already a nice enough little synth. But mix in a modification that adds frequency modulation to the filter, and you get some delicious, acid good times.

Skip ahead to the end of the video above to hear what we mean.

And if you are feeling handy and don’t mind the risk of destruction, an ambling, easy-to-follow extended video will walk you through the process.

Prefer not to get your hands dirty? This is all the work of Surreal Machines, who make a really wonderful collection of Max for Live effects called Dub Machines. That’s an unparalleled set of precision tools for dub effects, as the name implies.

Here’s a review from last year:

And the trailer: