1978-81 Marshall JMP 1987 Mk II Super Lead 50w vs Suhr SL-15

The 1978-81 Marshall JMP 1987 Mk II Super Lead 50w and the Suhr SL-15 are both amplifiers sharing harmonically rich, edge of breakup, dynamic. The Suhr SL-15 leans transparent and full.

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.

58% — moderately similar

Shared genres
citedGenres both listings are associated with.
  • Classic Rock
Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • harmonically rich
  • edge of breakup
  • dynamic

Suhr SL-15

Suhr · amplifier

Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
0%
0%
Price
—

$1999via Reverb

Description

The Marshall JMP 1987 Super Lead is the 50-watt sibling of the better-known 100-watt 1959 Super Lead, sharing the same non-master-volume, four-input Plexi-family circuit at half the output. Produced across the JMP badge era of the mid-1970s to early 1980s, the Mk II designation reflects circuit revisions Marshall made over that production run. At 50 watts it reaches saturation at more manageable volume than its 100-watt sibling while keeping the same open, harmonically rich breakup that defines the non-master-volume Marshall sound. It is associated in this catalogue with Dave Murray of Iron Maiden.

The Suhr SL-15 is a boutique 15-watt all-valve head voiced after the classic British plexi Super Lead, delivering open, dynamic cleans and a thick, harmonically rich plexi-style overdrive at lower, more usable volumes than a full plexi. Hand-built by Suhr, it captures vintage Marshall flavor with modern refinement for classic rock and blues-rock players.

Genres
citedGenres this gear is documented as being used in.
  • Metal
  • Rock
  • Blues Rock
  • Blues
Tonal lean
—
  • transparent
  • full
  • crunchy
Good for
citedOccasions this gear suits — judged per model, or derived from its wattage, connectivity and category.
  • Live
  • Live
  • Practice
  • Studio
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