JJ/Tesla's new production version of the long plate ECC802's of the past. This tube was designed with audio use in mind, believe it or not the 12AU7 was not originally designed for audio use. The ECC802's are specially selected for low noise and microphonicss and are great for HiFi. These tube also sound great in guitar amps. Perfect for our Dynaco
MkIII upgrade driver boards.
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