I ended up dropping the mid-frequency idea for now and just built it with the lead/bass toggle which was much easier on the EffectsLayouts circuit than Aion's since you only need to change 4 caps so it works with a single 4PDT switch. After playing it for a bit, I'm not sure a mid-freq would add...
Yeah exactly -- basically looking to add a mid-frequency control in addition to the mid level control. A pot like what's on a Boss Metal Zone would be cool but I think a switch like on an Ampeg V4 or 2nd gen Sunn Model T would be easier
I’m looking to build an EffectsLayouts Sunnbeam (Sunn Beta preamp) and want to add either a pot or switch to control the mid frequency. Can someone help identify which capacitor(s) control the mid-range on the attached schematic?
Also, a switch to select between 3 fixed frequency centers is a...