Blackstar Series One 45-Watt 2x12" vs Blackstar ST. James 100 Head
The Blackstar Series One 45-Watt 2x12" and the Blackstar ST. James 100 Head are both amplifiers sharing crunchy, bright, transparent. The Blackstar ST. James 100 Head leans tight and dynamic. Current prices: $830.20 vs $1777.83.
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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.51% — moderately similar
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Derived from overlapping tonal signals across both listings.- crunchy
- bright
- transparent
Blackstar Series One 45-Watt 2x12"
Blackstar · amplifier
Blackstar ST. James 100 Head
Blackstar · amplifier
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$830.20via Reverb
$1777.83via Reverb
The Blackstar Series One 45 2x12 is the 2x12 combo version of the Series One 45 all-tube amplifier platform, housing two 12-inch speakers in a single combo cabinet. The 45-watt tube power section drives two channels with ISF tone control for American-to-British character shaping and DPR (Dynamic Power Reduction) scaling from 45 watts down to approximately 4.5 watts for power amp distortion at low volume. The 2x12 cabinet format adds low-end width and projection compared to the head-and-separate-cabinet configuration, giving the amp a larger stage presence and fuller bass response in live use. Clean and crunch channels cover a wide tonal range from warm single-coil clean to British-voiced overdrive.
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.
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Genres this gear is documented as being used in.- alternative
- rock
- classic rock
- Rock
- Alternative Rock
- Jazz
- Funk
- Classic Rock
- Blues
- tight
- dynamic
- saturated
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Live
- Studio
- Live