Haven't heard the Gaspedals Carb mentioned much lately - Jay is still selling them I assume? But MAN, what a pedal with my Goodsell Super17 and either a tele or a 335-type guitar. Just the perfect boost on top of a clean set Klon, or into a Honeybee to cut it thru just right. I've been thru a lot of pedals but the Carb is definitely a mainstay. Doesn't add compression, just a certain kind of 'effervescent' clean gain. Its never a mistake turning on or leaving on this pedal - I keep it set with the switch to the left and both dials about 11.