Description
The Lenny started as an attempt to chase the tone of the legendary Dumble Steel String Singer, but J. Rockett Audio Designs realized that a loud, pristine amp sound doesn’t mean much crammed into a pedal. What made that amp special in the hands of SRV wasn’t just volume — it was the way it colored a signal when pushed. That’s the target here: less “clean and loud,” more musical push that reshapes your tone the way a good console channel does, with a pronounced midrange that lets your lines cut through a dense mix.
Placement in the chain matters with the Lenny. It’s built to interact with the front end of your amp, so the two controls work together rather than independently:
- Boost — Drives your amp’s input hard, creating a real push-and-pull relationship with the preamp
- Tone — Shapes the high end, letting you dial back or open up brightness as the boost climbs
Because Boost and Tone are so interactive, expect to sweep both together when you’re slamming the front of an amp — this isn’t a set-and-forget booster, it’s a tone-shaping tool. The pedal also includes J. Rockett’s newer Speed Switch system as part of the Tour Series build.
Housed in a compact, true bypass enclosure at 4.00″ x 2.30″ (overall footprint 7.25 x 5.125 x 2.55 in) and weighing in at 1.6 lbs, the Lenny runs on a 9-volt negative-tip adaptor (5.5mm x 2.1mm jack) or a standard 9-volt battery, so it drops into any pedalboard power setup without fuss.






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