Posted by Paul C. [ 206.40.237.27 ] on February 24, 2007 at 21:51:17:
In Reply to: piezo ? posted by j.luis cruz . on February 24, 2007 at 20:49:59:
I'll answer this, too.
CTS was making their tweeters in Mexico for a while, and they are good quality tweeters. The number on back, in white or silver, 437, was a "lot number" or "batch number".
The ones you have found are real CTS.
Currently manufactured CTS piezos are made in the Phillipines.
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