What is this?

MAS Effects (mas-effects.com) creates fun and unique guitar pedals and DIY parts (decidedly NOT regurgitating the same handful of tired circuits).

This substack is a place where we’ll post raw, unpolished updates with a glimpse behind the scenes. You’ll see projects in progress, new product ideas coming to life, workshop tours, and other random tidbits.

For a more polished view of what we do, follow on Instagram.

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