FA: RCA(?) 6550A AUDIO RF OUTPUT TUBE, UNMARKED @$10
 

Many nice clear pics.
All items are real inexpensive.
Ebay item numbers
3806312233
OR
This is my entire list on Ebay.
You may want to check others while you're there :-)
Please add HTTP in front of the address below as AOL frowns on HOT links :-(
://cgi6.ebay.com/ws/eBayISAPI.dll?ViewListedItems&userid=myradioroom&s ort=
3&page=1&rows=25&since=14&rdir=0
Thanks es 73...........RICH-WA2RQY
Cheep Manuals for sale @
http://www.myradioroom.com/manualsales.html
Web-Page URL
HTTP://members.aol.com/rlucch2098/index.html