Phenton Posted March 11, 2011 Share Posted March 11, 2011 With the serial # on K43E: 67 8521 How can one tell the date of manufacture for these drivers? I see 8521, and think of 1985, if that is correct, what is the 21? Has the K43E gone through any changes over the years and if so, what? Any links for verified T/S measurements for the K43E anywhere here would nice. Quote Link to comment Share on other sites More sharing options...
Guest " " Posted March 11, 2011 Share Posted March 11, 2011 . Quote Link to comment Share on other sites More sharing options...
Phenton Posted March 12, 2011 Author Share Posted March 12, 2011 Were there any changes to the K43e over the years? I know of the K33 going through changes, but what about the K43e? Also, any info to the serial # marked on the basket would be nice as well. Quote Link to comment Share on other sites More sharing options...
Phenton Posted March 12, 2011 Author Share Posted March 12, 2011 Does Klipsch add 25% of the gap height for their Xmax spec? Most companies do, Faital adds 30% , while BMS doesn't add anything. Quote Link to comment Share on other sites More sharing options...
Guest " " Posted March 20, 2011 Share Posted March 20, 2011 Drop the "e", the "e" only means eminence . The K43 came as stamped frame and cast frame. Theres a cast KP version and a cast XP version. Why do you want to know....whats the issue????? Quote Link to comment Share on other sites More sharing options...
Phenton Posted March 20, 2011 Author Share Posted March 20, 2011 No issue that I know of. The interest is in any changes, such as those that occurred in the K33 and perhaps many drivers over the years, Klipsch or not. I just wanted to know if there were any significant changes and if so, could it be determined by the serial numbers. Any information regarding the original posts contents are welcomed. Quote Link to comment Share on other sites More sharing options...
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