Guest limprizol Posted August 21, 2009 Report Share Posted August 21, 2009 I own a set of Allison one tower speakers each speaker has 2 woofers 2 tweeters and two midranges. The original hand written serial numbers are still on the back of them. The woofers have been replaced but everything else is original. How do i tell if it was made in 1978 or 1982. Also does anyone have a clue on the value of these speakersThank you so much for your help Link to comment Share on other sites More sharing options...
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