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Legendarytones Product
The Legendary Tones Caswell 1987 module is the plug-and-play way to get more gain, more low end, and more cut out of an 800-style circuit without soldering or permanent mods. The thump switch is massive for adding body without getting flubby, and the bite switch gives you that extra upper-mid snarl when you want it.
Pros
- +Adds gain and saturation without permanent amp mods
- +Thump switch adds big low end while staying clear
- +Bite switch adds cut and aggression
- +Cheaper and easier than most tech-performed mods
Cons
- -Adjusting the module controls is less convenient than front-panel knobs
- -Amp compatibility depends on standard vs reverse wiring version
Featured in 3 videos
The Legendary Tones Caswell Mod brings the HEAT to the Studio Plexi and JCM800!
3K views · 2026-03-30 14:07:36
DIY JCM800 modding done RIGHT! - The Legendary Tones Caswell 1987 Mod!
3K views · 2026-03-10 15:29:31
New Studio Gear + Mufasa Squares Up Against a Modded JCM800!
319 views · 2025-04-24 19:28:36
Legendarytones Product
Available on Legendarytones
External purchase
Highlights
- +Adds gain and saturation without permanent amp mods
- +Thump switch adds big low end while staying clear
- +Bite switch adds cut and aggression
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FastRedPonyCar