Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › GuitarPCB Build Support › External trimpot for 60’s fuzz This topic has 2 replies, 3 voices, and was last updated 1 month, 1 week ago by Billy. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts June 25, 2026 at 11:17 am #39376 jmgrabowskiParticipant If I convert the internal 10k trimpot to an external one, would I use an A or B? June 25, 2026 at 1:15 pm #39377 brdModerator I suggest a B pot June 25, 2026 at 1:56 pm #39378 BillyModerator Just for info most trimpots used in guitar effects are linear B taper you can get log A taper but they’re more for specialist use Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In