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just sold a few NEC 8045G tubes for a Lux amp.
In examining them prior to shipment, I was surprised to see the plate construction has been copied by the KT-120's and KT-150's. While all tubes have similar plate stampers as a KT-88, the 8045 adds an additional appendage on four sides for better heat dissipation, and this is copied by the new KT series.
Wonder if the design was patented ( would have expired by now)....
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Topic - An observation - unclestu 11:51:01 06/29/15 (0)