In Reply to: Where can I find the list of octal tubes with Mu over 100? posted by Iczerman on August 21, 2012 at 11:56:25:
There's the 6EL4, with a mu of 2000. Or the 6BD4 with a mu of 1650. However, they need around 20000V on the plate, so it's unlikely to be of much use to you...
Edits: 09/10/12
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- RE: Where can I find the list of octal tubes with Mu over 100? - wa2ise 18:35:59 09/06/12 (0)