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FOR SALE: 6528 Tubes (Used/Tested Quad)

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D

Diogenio

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Joined 2004
Set of 4 tubes. My EBAY item number: 270380504435

These tubes have a mu of 9, a low plate resistance and lots of current handling capacity. They are a sleeper of a great single-ended amplifier output tube! A number of different SE amplifier designs have been published, including an interesting "cathode-follower" design in Vacuum Tube Valley - and I will provide a copy of this article if the buyer requests.

Other articles with 6528 amplifier designs are found in the "Glass Audio Projects" book, and in Morgan Jones' book, "Valve Amplifiers."

Take a look!
 

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