The knob with a red dot painted on the bottom is for the KAT pot and the blank pot is for the Tone pot.
Brian May Red Special Upgrade Volume SuperPot KAT
Digitech Brian May Red Special Pedal with Power Supply and FS3X Pedal
Brian May Red Special style wiring board - 3 Switch mod
Guitar Body Template, (compatible Brian May Red Special) 6mm MR MDF Full Size
Treble Booster - Brian May Red Special Style - Electric Guitar Effect Pedal
Red Special Treble Booster Brian May Style - Guitar Effect Pedal Pre Amp - Red
