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Paul JD · 29th May 2020, 4:01 pm

The very early JTM45's did have a different type of control knob but these were only produced for a very short period (1963-1965 I think). Pretty much every Marshall amp produced since then has used the current style of knob.

29th May 2020, 4:01 pm	#35
Paul JD Pentode Join Date: Oct 2018 Location: Coventry, West Midlands, UK. Posts: 220	Re: Marshall Amps The very early JTM45's did have a different type of control knob but these were only produced for a very short period (1963-1965 I think). Pretty much every Marshall amp produced since then has used the current style of knob. Attached Thumbnails