Blackstar S1-45 vs Blackstar Series One 100 MkII

The Blackstar S1-45 and the Blackstar Series One 100 MkII are both amplifiers sharing transparent, high headroom, bright. The Blackstar Series One 100 MkII leans full and crunchy. Current prices: $845.65 vs $832.74.

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.

59% — moderately similar

Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • transparent
  • high headroom
  • bright
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
0%
0%
Price

$845.65via Reverb

$832.74via Reverb

Description

The Blackstar Series One 45 is a 45-watt all-tube amplifier head from Blackstar premium Series One range, built for professional stage and studio use. Four EL34 output tubes drive two fully independent channels — Clean and Overdrive — each equipped with Blackstar ISF tone control. The Series One line sits above the HT series in terms of headroom, channel separation, and build quality. At 45 watts it delivers genuine tube power for mid-sized venue performance while keeping stage volume at a practical level.

The Blackstar Series One 100 MkII is a 100-watt all-tube amplifier head from Blackstar premium Series One professional range. Four EL34 output tubes drive two independent channels — Clean and Overdrive — each with ISF tone control. The MkII revision refined channel voicing and transient response over the original Series One 100. At 100 watts it provides stage power for large venues and outdoor performance without sacrificing tonal dynamics or EL34 character.

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

Related searches

Blackstar S1-45 vs Blackstar Series One 100 MkII — Shared Character & Differences — NodeTone