1978-81 Marshall JMP 1987 Mk II Super Lead 50w vs Marshall JTM45 45W Tube Guitar Amp Head
The 1978-81 Marshall JMP 1987 Mk II Super Lead 50w and the Marshall JTM45 45W Tube Guitar Amp Head are both amplifiers sharing mid-forward. The Marshall JTM45 45W Tube Guitar Amp Head leans transparent and warm.
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Blended 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.52% — moderately similar
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Genres both listings are associated with.- Rock
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Derived from overlapping tonal signals across both listings.- mid-forward
Marshall JTM45 45W Tube Guitar Amp Head
Unknown brand · amplifier
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.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 Marshall JTM45 is a legendary 45-watt tube amplifier that defined the Marshall sound and early British rock tone. Its dual channels, EL84 power tubes, and Alnico speaker deliver organic overdrive and harmonic richness. The JTM45 remains highly sought after by vintage enthusiasts and professional players seeking classic Marshall character.
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Genres this gear is documented as being used in.- Classic Rock
- Metal
- Blues
- transparent
- warm
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Live
- Live
- Studio