Hotrodding a Marshall SV20h (LegendaryTones George Lynch Mr Scary) @paulbradshawguitar

Uploaded April 2025 | Updated September 2026, 2 weeks ago

Here's the awesome Mr Scary mod from Legendary tones
A super easy way of modding your Marshall with a plug'n'play style solution, just replace the V2 tube with one of these and get some extra tube modded Marshall goodness

Check out the website for more info:
legendarytones.com/lynch-mod-pre-order-page

gear used:
Gibson Modern Lite Les Paul
Ibanez RGDIX6PB - with evertune retrofit (for The Thing that should not be riff)
Marshall SV20h tube amp 'mini plexi'
Suhr Reactive Load

quick description:

Created in collaboration with George Lynch, the Mr. Scary Mod is a custom-modified version of the Hot Mod V2. Want to supercharge your classic Marshall (and many other!) amps with more gain without applying a permanent modification? Then read more below and welcome to the Mr. Scary Mod!

George tried the original Hot Mod V2 (HMV2) in his Marshall and enjoyed it, so we decided to collaborate and do a custom-voiced version specifically for him. So instead of the HMV2’s two-position Hot Switch for two pre-set gain stages, we’ve added a gain knob that goes from unity gain all the way to scorching hot on the Mr. Scary Mod. And just like the original HMV2, all the clarity and low-noise characteristics have been retained. We also added a Deep switch to help provide a bass boost when desired or when using a guitar that might otherwise be a little thin. With the Deep switch off, low end is tightened and it serves as a slight bass cut for clarity.

Originally released as the Lynch Mod in February 2021, the updated Mr. Scary Mod features the same circuit as the Lynch Mod but is now equipped with a tube mix combo of 12AT7/12AX7 per George’s preference as well as a facelift in a newly redesigned electro-galvanized steel enclosure. This first run in Pumpkin Orange released in the Fall of 2022 was equipped with Black hardware and limited to just 150 pieces worldwide.

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TIME STAMPS
00:00 intro
00:04 What is this?
00:53 Installation procedure
04:05 Test setup
04:58 TONE reamp test comparisons
09:24 TONE my sweet spot , cleaning up with the volume pot
10:46 Final thoughts

Hotrodding a Marshall SV20h (LegendaryTones George Lynch Mr Scary)

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Prepping for live with your digital modeller / profiler