Marshall JMP 50w amp, serial number S/A 5801 F circa 1974 model/stock number 1987. Beautiful condition and in fully working order. Please check the photos, as these are part of the description. Only the valves have been replaced since I purchased it many years ago. Very little use , as you can see from the condition. ECC83's for the pre-amp and EL34's for the power amp. Great tone, with the unmistakable Marshall sound. Please message if you need anymore photos or information. Pickup only from south of Manchester. £2500
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