What does Marshall JMP stand for?
James Marshall Products
In late 1967 Marshall finally retired the JTM model prefix and replaced it with JMP (for James Marshall Products), a name that would stick through 1981.
Who used Marshall JMP?
From its humble origins in a tiny London drum shop to its ubiquity today as the most recognizable and time-honored face of heavy rock, the Marshall brand is built on over 50 years of use by the players who’ve defined a genre: Jimi Hendrix, Eric Clapton, Pete Townshend, Jimmy Page, Angus Young, Slash, Tom Morello, and …
Is a super lead a plexi?
The name originates from its shiny, Plexiglas panel, commonly used on Marshall amps between 1965-1969. Although many amps are referred to as ‘Plexi’s’ The 100 Watt Super Lead (model number 1959) is most commonly associated with the name.
What tubes does Marshall use?
Usually all the tubes therein are 12AX7/ECC83 types. The model 2001 uses two 12AT7s and three 12AX7s. Marshall tube amps usually have solid-state rectifiers.
What does the JCM mean on Marshall amps?
The “JCM” stands for Jim’s full initials — James Charles Marshall.
When did Marshall go to PCB?
*All Marshalls made from the company’s birth in 1962 until 1973 were handwired. The transition to PCBs (printed circuit boards) happened during ’73.
When did Marshall start using PCB?
Additionally, Marshall started using PCBs in its amps around 1974.
How long do power valves last?
Power valves should be replaced every 18 months to 2 years and all valves should be changed at the same time. The amplifier should then be re-biased. Preamp valves should be replaced every 4 years and can be replaced individually.
How long do valves last in valve amplifiers?
“In theory, a valve should have a working lifespan of anywhere between 1,000 and 5,000 hours for common types, and up to 8,000 or so for the more rugged industrial/mil-spec variants.
What are the parts of a Marshall JCM900?
Marshall® JCM900 Series Parts Marshall® TSL100/TSL122 Parts Marshall® DSL50 Parts Marshall® DSL100 Parts Marshall® Capacitors Marshall® Corners and Handles Marshall® Fans Marshall® Footswitch Boxes Marshall® Fuse Holders Marshall® Hardware Marshall® Jacks Marshall® Jack Plate Marshall® Lights Marshall® Knobs Marshall® Pots
What is the Marshall JMP-1 preamp?
The Marshall JMP-1 is a rack-mount pre-amp that includes the ability to model four different Marshall tones and emulate stereo sound.
What are the parts of a Marshall DSL100?
Marshall® DSL100 Parts Marshall® Capacitors Marshall® Corners and Handles Marshall® Fans Marshall® Footswitch Boxes Marshall® Fuse Holders Marshall® Hardware Marshall® Jacks Marshall® Jack Plate Marshall® Lights Marshall® Knobs Marshall® Pots Marshall® Potentiometer Kits Marshall® Power Cords Marshall® Reverb Tanks & Access
What is the size of a Marshall head replacement?
Replacement for the feet on Marshall heads from the late 60s and early to mid 70s. The integral metal washer in the mounting hole helps prevent mounting screw “break-through” and adds overall durability. 1″ diameter x 1″ tall.