Did Altec ever publish numbers on how many drivers such as the 411, 416, and 515 were manufactored? Most of these have serial numbers so someone was keeping score.
Did Altec ever publish numbers on how many drivers such as the 411, 416, and 515 were manufactored? Most of these have serial numbers so someone was keeping score.

I suspect you are chasing a shadow. Lots of records were just plain thrown away during the 80's bankruptcy, so I doubt anybody at all knows.
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