Tone City Golden Plexi Drive Pedal This is the Golden Plexi by Tone City. If you're looking for a Marshall style tone in an affordable and toneful box check out the Golden Plexi. Transform your Fender (or any clean channel) into a British sounding beast with all the best types of overdrive you could ask for. If you're a fan of the Carl Martin Plexi Tone you're going to love this pedal. Gain – Controls the overdrive tone.Volume – Controls how loud you want to be.Tone – Controls the treble presence of the pedal.