Marshall JTM45
Name, numbering
The first JTM45s did not have the standard Marshall number that later amps had; models that derived from the JTM 45 did not receive numbers until 1965.

Marshall JTM45

Section Title: Name, numbering
Table Section Text: The first JTM45s did not have the standard Marshall number that later amps had; models that derived from the JTM 45 did not receive numbers until 1965.

Model number	Watts	Dates	Features	Notes

JTM45	35–45	1963–1964	2 channels, 4 inputs	Also available in bass and PA versions

1963	50	1965–1966	4 channels, 8 inputs	PA version; "JTM50 MK III"

1985	45	1965–1966	2 channels, 4 inputs	PA version of JTM50 MK II

1986	45	1965–1966	High treble and normal channels	Bass version of JTM50 MK II

1987	45	1965–1966	High treble and normal channels	Lead version of JTM50 MK II; also with tremolo as Model T1987

1989	45	1965–1966	For electronic organs	Also with tremolo as Model T1989

JTM 45 (2245)	30	1989–	2 channels, 4 inputs	Reissue of original JTM45 (1987)

2245THW	30	2014–	Handwired head, circuitry identical with Bluesbreaker

Sentence(s)

In 2014 Marshall reissued a "handwired" 30 W 2245THW based on the JTM45.

final_sentence: In 2014 Marshall reissued a "handwired" 30 W 2245THW based on the JTM45.