Description
Seymour Duncan’s RTM — short for "Rattus Tonius Maximus" — is Warren DeMartini’s take on what a bridge humbucker should do: hit hard without turning to mush. As the guitarist who powered Ratt through "Round and Round," "Lay It Down," and a string of multi-platinum hits that dominated 80s radio and MTV, DeMartini needed a pickup that could track his dense chord voicings and rapid-fire solos with equal clarity.
Part number 11103-10-B, finished in black, this is the trembucker-spaced version built for guitars with tremolo bridges — the wider coil spacing keeps every string centered under the poles for even output across the neck. Loaded with an Alnico 2 magnet, the RTM leans into a high-output design that’s aggressive on the front end but never loses its footing; you get the bite for palm-muted riffing and the sustain for singing leads, without the low end turning boomy or the top end getting brittle.
If you’re chasing that specific 80s hard rock snarl — tight enough for rhythm work, expressive enough to carry a solo — this is the pickup that helped define it.
- Signature design by Warren DeMartini (Ratt)
- High-output bridge trembucker
- Alnico 2 magnet for aggressive, balanced tone
- Trembucker spacing for tremolo-equipped guitars
- Black cover, P/N 11103-10-B





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