Posted by hurdy_gurdyman [ 4.229.238.42 ] on October 14, 2006 at 10:30:18:
In Reply to: Re: Fun with Vintage Speakers posted by tomt on September 29, 2006 at 16:20:40:
The SP-12b was stamped in it's earlier days, then became cast framed. Supposedly, the early stamped ones are more desirable. Not sure if this is because they sound better or have more collectors value.
Dave 
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