The Marshall Bluesbreaker is the popular name given to the Models 1961 and 1962 guitar amplifiers made by Marshall from 1964/65 to 1972.

The Bluesbreaker, which derives its nickname from being used by Eric Clapton with John Mayall & The Bluesbreakers, is credited with delivering "the sound that launched British blues-rock in the mid-1960s."[1] It was Marshall's first combo amplifier,[2] and was described as "arguably the most important [amplifier] in the company's history"[3] and "the definitive rock amplifier."[4]

History

According to Robb Lawrence's The Early Years of the Les Paul Legacy, Jim Marshall initially gave Clapton a Model 1961 with 4×10" speakers, which was soon replaced with a 2×12" Model 1962.[2] Clapton used the combo amplifier with his 1960 Gibson Les Paul Standard, allegedly.[5][6]

Marshall's Model 1961/1962 combo amplifier entered the market at an affordable price—one third cheaper than a Vox AC30 and half the price of a Fender Bassman combo.[1][7] Its reputation was cemented when Clapton, who had rejoined John Mayall & the Bluesbreakers, used one to record Blues Breakers with Eric Clapton—a set of sessions now widely regarded as "historic".[8] After that, the combo became known as the "Bluesbreaker."[1] The model was discontinued in 1972.[7]

Due to its iconic status amongst collectors, the Bluesbreaker has become one of the most collectible and valuable vintage guitar amplifiers. According to a 2011 Vintage Guitar article ranking the twenty-five "most valuable amplifiers", the 1966/1967 Bluesbreaker is seventh on the list, with solid original examples fetching prices between US$8,300 and US$10,000.[9]

Reissue

Marshall reissued the 2×12" Bluesbreaker[1] in 1989; the 4×10" was never reissued.[7] This version used 6L6 tubes.[7][10] In 1991, Marshall began making a guitar effect pedal that was intended to emulate the sound of the original combo.[7] In 1999, a second version of the amplifier, the Bluesbreaker II, was released,[11] with 5881 tubes.[12] An amplifier head, the 2245THW, was reissued in Marshall's "Handwired" series, with circuitry identical to the Bluesbreaker. Vintage Guitar called it a "fine high-end piece"; it was listed at $4800.[13]

Description, specifications and sound

Marshall's original Model 1961 and 1962 were basically JTM 45 combo amplifiers. Model 1961 was essentially the lead version of the Model 2245, fitted with tremolo and installed into an open backed speaker cabinet, while Model 1962 was the bass version of the JTM 45 (Model 1986), also fitted with tremolo and open backed cabinet.[7] These amplifiers both feature the basic JTM 45 modified Fender Bassman circuit, which provided the origin of what became known as the "Marshall sound".[14] The first versions of these combo amplifiers were made in 1964–1965, with Models 1961 and 1962 being fitted with 4×10" and 2×12" Celestion speakers[1] respectively. An extremely rare 2×12" extension cabinet was also offered.[7] A later model had a slightly thinner cabinet with different acoustics.[1] Production JTM45 amplifiers used KT66 output tubes, which are credited with providing "a round, bell like tone with soft distortion character."[1] Also contributing to the overall sound picture of the JTM45 series amplifiers was a GZ34 rectifier tube.[2]

Marshall also made an 18-watt combo amplifier with 2×10" speakers (Model 1958) that looked like a smaller version of the Bluesbreaker, and is sometimes referred to as its "little brother".[1]

Eric Clapton and the Bluesbreaker sound

The output of a typical Bluesbreaker was only about 35 watts, and thus the sound would break up at more moderate volumes as compared to larger amplifiers. It was precisely this distortion that Eric Clapton was after. Reportedly, Clapton told the engineer during the Bluesbreakers sessions that he should mic the amplifier from across the room, because he intended to play it as loud as possible.[15] Producer Mike Vernon is credited with allowing Clapton to play in the studio as if he were playing live, and to improvise his solos played at full volume through the Marshall 1962 combo.[16][17]

In comparison with the Marshall JTM45 half-stacks of the time, the open-back combo amps had less low and a bit more crisp high-end response, which suits the Les Paul well, especially when recording blues.[15]

Modification

Since the Bluesbreaker ultimately derives from the Fender Bassman, it is possible to create an approximate reproduction of a Bluesbreaker by modifying a Bassman; in February 1993 Guitar Player magazine published this modification.[18]

Further reading

  • John R. Wiley, The Marshall Bluesbreaker: The Story of Marshall's First Combo. Alfred: 2010. ISBN 978-1-936120-02-4.

References

  1. 1 2 3 4 5 6 7 8 Pittman, Aspen (2003). The Tube Amp Book. Hal Leonard. pp. 66, 69–70. ISBN 978-0-87930-767-7.
  2. 1 2 3 Lawrence, Robb (2008). The Early Years of the Les Paul Legacy: 1915–1963. Hal Leonard. pp. 248–49. ISBN 978-0-634-04861-6.
  3. ↑ Grant, Tina (2004). International directory of company histories: Volume 62. St. James. pp. 240–41. ISBN 978-1-55862-507-5.
  4. ↑ Trynka, Paul (1996). Rock hardware. Hal Leonard. p. 19. ISBN 978-0-87930-428-7.
  5. ↑ Hughes, Tom (September 2007). "Myth Busters, Stomp School Edition". Premier Guitar. Archived from the original on 2 October 2012. Retrieved 11 April 2011.
  6. ↑ Maloof, Rich (2004). Jim Marshall, Father of Loud: The Story of the Man Behind the World's Most Famous Guitar Amplifiers. Hal Leonard. pp. 48–49. ISBN 978-0-87930-803-2.
  7. 1 2 3 4 5 6 7 Doyle, Michael (1993). The history of Marshall: the illustrated story of "the sound of rock". Hal Leonard. pp. 23–25. ISBN 978-0-7935-2509-6.
  8. ↑ Marshall, Wolf (2008). Stuff! Good Guitar Players Should Know: An A-Z Guide to Getting Better. Hal Leonard. p. 25. ISBN 978-1-4234-3008-7.
  9. ↑ Hunter, Dave (June 2011). "25 Most Valuable Amplifiers". Vintage Guitar. pp. 38–40.
  10. ↑ Wiley, John (February 2008). "The BluesBreaker Revisited". Premier Guitar. Archived from the original on 13 December 2010. Retrieved 11 April 2011.
  11. ↑ Hunter, Dave (2004). Guitar effects pedals: the practical handbook. Hal Leonard. ISBN 978-0-87930-806-3.
  12. ↑ "1962 Bluesbreaker: Specifications". Marshall Amps. Retrieved 11 April 2011.
  13. ↑ Childs, Zac (October 2014). "Bluesbreaker Redux: Marshall Handwired Series 2245THW head and 1960AHW Cabinet". Vintage Guitar. p. 130.
  14. ↑ Weber, Gerald (1997). Tube Amp Talk for the Guitarist and Tech. Hal Leonard. pp. 135–37. ISBN 978-0-9641060-1-7.
  15. 1 2 Hunter, Dave (2005). Guitar Rigs: Classic Guitar & Amp Combinations. Hal Leonard. pp. 111–12. ISBN 978-0-87930-851-3.
  16. ↑ Cope, Andrew L. (2010). Black Sabbath and the rise of heavy metal music. Ashgate. p. 16. ISBN 978-0-7546-6881-7.
  17. ↑ Shapiro, Harry (May 2018). "John Mayall's Bluesbreakers with Eric Clapton: The Making of 'the Beano album'". Classic Rock. Retrieved 23 September 2020.
  18. ↑ Weber, Gerald (1997). Tube Amp Talk for the Guitarist and Tech. Hal Leonard. p. 412. ISBN 978-0-9641060-1-7.
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