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Unread 09-15-2009, 12:01 PM   #1 (permalink)
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Join Date: Sep 2009
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1973 built original Marshall lead and bass 20 JMP

Hi every one, hope you can help, I have an original 1973 MArshall lead and bass 20 JMP can anyone tell me what this is worth please, its in full working order, sounds great has all the data plates, look forward to hearing from you.
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Unread 09-16-2009, 08:15 AM   #2 (permalink)
Join Date: Mar 2009
Location: Norway
Posts: 75
Re: 1973 built original Marshall lead and bass 20 JMP

I got one of these too. I don't know what it's worth, havn't seen them on the marked much. I got mine cheap from some fellow that did'nt have a clue, neither did I back then.

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Unread 09-27-2009, 06:52 PM   #3 (permalink)
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Location: California
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Re: 1973 built original Marshall lead and bass 20 JMP

If you want to sell it, put it on ebay and the market will tell you what it's worth. Actually, desirable items tend to go for over market value on ebay... You could also try to search for completed listings to see if any have sold recently, that might give a good idea. Also you could search on gbase and see what dealers are asking for those, although that would be on the high side.
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Unread 10-03-2009, 05:01 PM   #4 (permalink)
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Location: Atlanta, Georgia, USA
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Re: 1973 built original Marshall lead and bass 20 JMP

'73 was a transitional year, so you need to know if yours is a PTP or PCB board.
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