Gibson and Fender guitars, Dimarzio pickups. Pedals from TC Electronic, Ibanez, Dunlop, BK Butler, Electro-Harmonix, Fulltone, Maestro/Gibson, Loopmaster switching, VoodooLab, Boss. Pete Cornish will give you chapter and verse why they are shite and what they do in terms of tone suck when in a chain but switched off. BK Butler Tube Driver () Joes Guitars. Jester does basically the same, but about 4 times better. Tube Works Rock Tube Driver 301 Overdrive Guitar Effect Pedal AC100V. If you want Sloe Gin in a box, get a Jester. Only logged in customers who have purchased this product may leave a review. PedalPCB is not affiliated with Butler Audio, Inc. If anyone wants mine, email me this is one of the staple Gilmour pedals, and it's still a very good pedal, yet I think they're crap compared to the Kingsley Jester, which is in another league. This product is not manufactured or distributed by Butler Audio, Inc., maker of the BK Butler Tube Driver. Congrats on the BK Butler Kev, it's one I'll never sell! I feel that it's easier to get the "violin" tone with that particular tube. And I would definitely love to see it as a stomp model in the KPA. To me, the BK Butler Tube Driver is one of the best around both for leads, taming a muff and for a clean volume boost that adds some bite. The 12AU7 also tames a little of the spikey-ness of the JJ 12AX7. The stomp box world has much more variety than what the KPA has in store when it comes to distortions and overdrives. There is so much gain in these that you actually get a much more musical and usable range with the lower gain tube. Get a feel for the pedal with that tube but IMO I heard a DRAMATIC improvement in mine with a NOS JAN 12AU7.
The tube inside appears to be a JJ ECC83 - is this a 12AX7? It arrived today!! I am looking at it now in my office - can't wait to get home and crank it up.