Marshall 2245 JTM45 Head vs PRS DGT 15 David Grissom Signature 15W Head

The Marshall 2245 JTM45 Head and the PRS DGT 15 David Grissom Signature 15W Head are both amplifiers sharing edge of breakup, dynamic, transparent. The Marshall 2245 JTM45 Head leans mid-forward and bright. The PRS DGT 15 David Grissom Signature 15W Head leans warm and sustaining.

Similarity
citedBlended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.

53% — moderately similar

Shared genres
citedGenres both listings are associated with.
  • Rock
  • Blues Rock
  • Classic Rock
  • Blues
Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • edge of breakup
  • dynamic
  • transparent
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
0%
17%
Price

$1481.32via Reverb

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Description

The Marshall 2245 is a reissue of the JTM45, the very first Marshall amplifier from 1962, built on a 5881/KT66 power section that gives it a warmer, more American-influenced voice than later EL34 Plexis. At around 30 to 45 watts it offers a smooth, bluesy breakup with rich harmonics and a slightly looser, vintage feel. Its warm cleans and creamy overdrive made it a cornerstone of British blues-rock. The simple four-input front panel recreates the original early-1960s circuit.

The PRS DGT 15 is a 15-watt David Grissom signature head that PRS state was designed from the ground up to rival Grissom's favourite vintage amplifiers. At 15 watts it reaches its own breakup at volumes usable in a studio or small room, which suits a player whose style depends on driving an amp with the guitar rather than a high-gain preamp. It is the compact member of the Grissom signature line alongside the 30-watt DG Custom, built around touch sensitivity and dynamic response rather than saturation. It suits blues, roots and classic rock players who want vintage-flavoured amp behaviour at low volume.

Genres
citedGenres this gear is documented as being used in.
—
  • Metal
Tonal lean
  • mid-forward
  • bright
  • warm
  • sustaining
Good for
citedOccasions this gear suits — judged per model, or derived from its wattage, connectivity and category.
  • Live
  • Studio
  • Live
  • Studio
  • Worship
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Marshall 2245 JTM45 Head vs PRS DGT 15 David Grissom Signature 15W Head — Shared Character & Differences — NodeTone