Question JBL C60 Sovereign

Jan 12, 2020
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My first Post here...and with a big smile on my face. Why? I've inherited a pair of these from my late father-in-law.
JBL Sovereign speakers that he was the original owner of (along with other JBL speakers and McIntosh components that I now have).

But I now have a question on the Sovereign's. I know they were purchased in the 70's. But from the early serial number, 10774, I'm going to assume that these were very early on in the production process. If anyone can confirm, please let me know.

I'd attach photos, but it's not allowing them, maybe because this is my first Post?

Thank you in advance!
 
Did you contact JBL support to see what info they may have on the speakers? You may also try some specific audio forums and there are a few YouTube channels that do audio, Steve Guttenberg is a good one, see if you can reach him, he did audio reviews for magazines and does a audiophile YouTube thing.