Blackstar ST. James 100 Head vs Blackstar St. James 50 EL34H Fawn

The Blackstar ST. James 100 Head and the Blackstar St. James 50 EL34H Fawn are both amplifiers sharing glassy, transparent, saturated. The Blackstar ST. James 100 Head leans crunchy and tight. The Blackstar St. James 50 EL34H Fawn leans mid-forward.

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.

76% — very similar

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

$1744.78via Reverb

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Description

The Blackstar St. James 100 is a two-channel EL34-powered tube guitar amplifier head combining American-voiced clean tones with British-voiced overdrive, designed as a lightweight handcrafted valve head with features including a sag control, effects loop, and reverb. Channel 1 delivers big, open clean tone with clear black-panel-influenced headroom; Channel 2 produces British crunch that leans toward Vox chime and articulation rather than Marshall darkness, making it unsuitable for saturated high gain but excellent for chimey, cutting rock and blues. Reviewers describe the EL34 version as combining world-class British crunch with US-sounding clean tones in a design notably lighter than comparable valve heads.

The Blackstar St. James 50 EL34H Fawn is the head version of the St. James 50 EL34 in a Fawn tolex cosmetic finish, retaining the same all-tube circuit with EL34 output valves at 50 watts. The EL34 version of the St. James 50 delivers a more British-voiced character compared to the 6L6 model — pronounced midrange, classic overdrive compression, and Vox-adjacent clean chime on channel one, with channel two covering blues through classic rock overdrive and Indian summer saturation via the front-end boost. The Fawn finish is a limited cosmetic variant with no circuit differences. Weighing approximately 13 pounds the EL34H Fawn retains the full St. James portability advantage in head format.

Genres
citedGenres this gear is documented as being used in.
  • Alternative Rock
  • Funk
—
Tonal lean
  • crunchy
  • tight
  • dynamic
  • bright
  • mid-forward
Good for
citedOccasions this gear suits — judged per model, or derived from its wattage, connectivity and category.
  • Live
  • Live
  • Studio
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