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RE: Mid 80's JAN GE 6550A on AA Trader

Do you mean MPD? Those versions were made post '87. They are not the same as the mid-80's mil contract 6550A's. It appears your friend was mistaken.
A not uncommon occurrence in these days of internet knowledge.
And yes, there have been various reports of the MPD production vintage as being less stellar in performance. Probably various reasons lost to time.


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