Blackstar St. James 50 EL34H Fawn vs PRS HDRX 100 2-Channel 100W Head

The Blackstar St. James 50 EL34H Fawn and the PRS HDRX 100 2-Channel 100W Head are both amplifiers sharing transparent, high gain. The Blackstar St. James 50 EL34H Fawn leans mid-forward and saturated. The PRS HDRX 100 2-Channel 100W Head leans dynamic and smooth.

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.

49% — somewhat different

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

$2399via Reverb

Description

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.

The PRS HDRX 100 is a two-channel 100-watt head built to capture the flexibility, power and balance of late-1960s British-inspired tone, the Plexi-era voice that underpins much of classic rock. At 100 watts it has substantial headroom, so the character comes from driving the output section in the traditional way rather than from a high-gain preamp. That places it apart from the Archon and MT 15 in the PRS range, which are modern high-gain designs. It suits classic rock and blues rock players who want authentic late-sixties British character with modern build quality and reliability.

Genres
citedGenres this gear is documented as being used in.
  • Jazz
  • Blues Rock
Tonal lean
  • mid-forward
  • saturated
  • dynamic
  • smooth
  • harmonically rich
Good for
citedOccasions this gear suits — judged per model, or derived from its wattage, connectivity and category.
  • Live
  • Studio
  • Live
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