Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › GuitarPCB Build Support › Boogie 57 (answered) This topic has 4 replies, 2 voices, and was last updated 1 year, 9 months ago by Anonymous. Viewing 5 posts - 1 through 5 (of 5 total) Author Posts August 6, 2024 at 4:41 am #32968 AnonymousGuest Bought this a while ago and just got round to building.When biasing what is the best settings for the pots. August 6, 2024 at 10:30 am #32969 BillyModerator Some good info here you want to aim for around 5v on the FET drain pins although Q3 etc as you can see here are higher Boogie 57 – Gain issue & Biasing (solved) August 7, 2024 at 4:09 pm #32979 AnonymousGuest Thanks Billy but not the info i’m looking for. When biasing does it matter how the the pots (bass gain mids etc) are set. August 7, 2024 at 9:14 pm #32981 BillyModerator No it doesn’t mater you’re simply setting the bias voltage on the drain pin, sorry I thought pots meant the trimpots August 8, 2024 at 4:43 am #32984 AnonymousGuest Thanks Billy Author Posts Viewing 5 posts - 1 through 5 (of 5 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In