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audiofreak

Production dates L1590/2

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Many ads speakers have very clear production dates on the backside of the drivers. Start there.

woofer label.jpg

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My experience in pulling drivers on ADS speakers outweighs  my curiosity.  Hence  question regarding serial #'s. If i ever have a GOOD reason to pull them I will check. LOL

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Best I can pin down is a range - date-wise, Series II started between June of '84 and June of '85.

Appears I can pin serial number for Series II start at #2147.

 

HTH,

- Jeff

 

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