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janarn · 11-18-2008, 08:39 AM

Most Plexis had JMP fronts. The 50w models had JMP fronts from mid '67 to mid '69. I think the 100w converted even earlier.

11-18-2008, 08:39 AM	#27 (permalink)
janarn Senior Member Join Date: Aug 2008 Posts: 408	Re: THE MARSHALLFORUM GUIDE TO MARSHALL AMPS Most Plexis had JMP fronts. The 50w models had JMP fronts from mid '67 to mid '69. I think the 100w converted even earlier.