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Lumpy's Tone Shop: Jelly Roll Class A Overdrive - with Strat

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Uploaded by on Nov 15, 2010

Website: http://www.lumpystoneshop.com

From the man himself:

"The Jelly Roll is a sonic recreation of a late 50's mystery model Supro I had a few years ago. The model remains a puzzle but fortunately I traced the amp and made a schematic. It was your typical late 50's single end design, but what made it sonically interesting was the 6973 power tube. When pushed the overdriven textures had a crunchy but soft quality to them. There was also a small modification made at one point to the amp which resulted in a slight gain boost.

The Jelly Roll carefully mimics the frequency response and overdriven textures of that amp, I chose to make use of the popular "Tube to FET" process to do so with. The results are a unique, touch sensitive and amp-like overdrive pedal that will do blues to classic rock with it's own unqiue twist.

The rest of pedal is what you'd expect from Lumpy's; all handmade utilizing true bypass switching, a powder coated enclosure, Mullard Tropical Fish caps for a lil' mojo, Neutrik Jacks, all the good stuff! "

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Uploader Comments (Burgerman666)

  • Nice playing and that's a badass denim shirt btw

  • @Rambo29 Thanks Rambo29! One must consider fashion occasionally. Apparently. :)

  • Wow...amazing sounds. Is it being run ar 9 or 18v? Is there a difference tonally between the two power options? ...that can be heard with the naked ear?

  • @SingleCoilVoodoo 9V for this one. Running it at 18V makes it louder and increases the headroom somewhat. Meanng: You have to slam it a little harder to send it into compression. It's hard to convey over YouTube, though. Tommy prefers to run it at 18V and I must admit I had a lot of fun with it at 18V as well. There are some more vids in the works. Stay tuned.. :)

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All Comments (5)

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  • Very Nice! Great Playin!

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