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Catalogue data

Maker	Marshall
Type	overdrive
Introduced	1991
Status	current
Catalogue no.	631

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Indexes

Specimen 631

Marshall Blues Breaker (pedal)

Note

The original BB circuit — now a holy grail and clone source.

Related models — same maker — Marshall

4681959SLP Plexi (JMP50)Marshall · 1965
4691960A / 1960B cabsMarshall · 1980
470Code / MG seriesMarshall
471DSL40 / DSL100Marshall · 1997
472JCM800 2203Marshall · 1981
473JCM900Marshall · 1990
474JVM410HMarshall · 2003
475Origin seriesMarshall · 2018

Same era — 1990s

035X Series / Junior SeriesC.F. Martin & Co. · 1990
099EclipseESP · 1990
101KH seriesESP · 1990
152Gibson Custom ShopGibson · 1990
167Electromatic lineGretsch · 1990
204AE / AEG SeriesIbanez · 1990

Same body shape / configuration — overdrive

545Analogman King of ToneAnalog Man · 2003
548Boss BD-2 Blues DriverBoss · 1995
568Boss SD-1 Super OverdriveBoss · 1981
589EarthQuaker Devices PlumesEarthQuaker Devices · 2019
610Fulltone Full-Drive 2Fulltone · 1997
611Fulltone OCDFulltone · 2004

See also