I know there are some very knowledgeable out there and I always appreciate your advice.
Has anyone out there have any experience with the EL 509 / EL 519 N.O.S. Beam power tubes ? I see that they can output 1 amp of current and may be ideal for a high power amplifier.
I was considering building a 120 watt or more amp with these,
http://www.thetubestore.com/Tubes/6K-Ty ... L509-EL519 ]
http://www.ok1rr.com/tubes/EL509.pdf