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Being unedumacated in things electronic, I cannot tell whether the apparent difference in various components between this DR-103 and those shown on the wonderful mhuss' website are significant, normal or optical ilussions... Expert opinions will be great appreciated as I consider whether to throw my hat in the ring to bid on this DR-103:

I recently picked apart the same amp. It isn't "all original" but it isn't too bad either.
there are a handfull of replaced resistors
the biggest thing is the replaced EL34 socket.
the amp is an early 1972 not a 1970 as initally described.

Sorry for the repetition. I tried to search through the board before posting but "the blind man could not see."
Thank you for the help!