Blackstar St. James 50 6L6 Head vs Ceriatone JTM45 MkII
The Blackstar St. James 50 6L6 Head and the Ceriatone JTM45 MkII are both amplifiers sharing mid-forward, compressed, full. The Blackstar St. James 50 6L6 Head leans transparent and warm. The Ceriatone JTM45 MkII leans edge of breakup.
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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.31% — somewhat different
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Derived from overlapping tonal signals across both listings.- mid-forward
- compressed
- full
Blackstar St. James 50 6L6 Head
Blackstar · amplifier
Ceriatone JTM45 MkII
Ceriatone · amplifier
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$896.37via Reverb
The Blackstar St. James 50 6L6 Head is the head version of the St. James 50 6L6 all-tube amplifier, weighing approximately 13 pounds using a patent-pending switched-mode power supply instead of a conventional heavy mains transformer. Fifty watts from 6L6 output tubes powers two channels: a high-headroom American-voiced clean with warm, mid-scooped character and a modern high-gain overdrive with a voice switch that reshapes midrange from full-throated lead tones to a scooped rhythm voicing. Power scaling switches between 50W, 2W, and SAG mode for vintage compression feel at low volumes. The head format lets players pair it with their choice of speaker cabinet, maximizing tonal flexibility at unusually low weight for an all-tube 50-watt head.
The Ceriatone JTM45 MkII is a point-to-point hand-wired reproduction of the Marshall JTM45, the amplifier that started the company and was itself closely derived from the Fender 5F6-A Bassman circuit. That heritage gives it a warmer, rounder character than later Marshalls, with a thick midrange and a softer, more gradual breakup that sits between American and British voicings. It uses GZ34 tube rectification, which contributes a degree of sag and compression under hard picking that the later solid-state-rectified Marshalls do not have. It suits blues, blues rock and classic rock players who want the earliest Marshall voice rather than the brighter, more aggressive Plexi and JCM800 sounds that followed.
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Genres this gear is documented as being used in.- rock
- blues
- alternative
- Blues Rock
- Blues
- Classic Rock
- transparent
- warm
- edge of breakup
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Live
- Studio