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Klipsch Cornwalls

T

Tombigbee

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If I'm not mistaken there's a way to decipher the year in the stickys. Enjoy. Our's are stock.
 
Very nice Cornwall I's in Birch Raw finish, that's what the BR stands for on the tag. If they are still unfinished, that can be more desirable to some collectors. The woofer was made by CTS, Chicago Telephone Supply, in 1979. You can tell this by the number 137 which is the EIA, Electronic Industries Alliance, code for CTS. 7928 denotes the 28th week of 1979. Just some trivial information FWIW.
 
From the looks of the crossover, its a type 1. And because of the crossover I wouldn't try driving the speakers with much more than 50 watts. The first thing I would do is up grade to one of Bob Crities crossovers with added protection for the tweeter. If you plan on try to blow the house down then I would upgrade to his latest tweeter replacement he has just introduced. Between the tweeter up grade, and crossover you could effectively increase the over all out put 6 db with out fear of self destruction. Then I would look for a Mac Power amp with Power Guard rated around 100 watt to 125 watts. This would give you about 150 to 180 distortion free watts before the protective circuits kick in. Or easily 120 db output from your speakers. If you like wall shattering bass, you might want to install some 35 Hz high pass filters to protect the woofer.

I prefer the older Cornwalls with the T35 tweeter as it has a slight roll off and is very easy to listen too for long periods of time. The newer MK111 Cornwalls can be a little bright for me over the long hall. But that can be easily tamed with judicious use of the treble or Highest frequency graphic tone controls.
 
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