Matched pair of Amperex 3-500zg tubes, near NEW!
 

http://cgi.ebay.com/ws/eBayISAPI.dll...tem=9706273887
For anyone interested, check the link. Very nice set of 3-500z
graphite lete production tubes. Actually, these are 3-500zg/8802, which
are sometimes referred to as 3-600's simply because of the 100 watt
higher plate dissapation over standard 3-500 types.
Take a look!