Several choices follow. First, for $29.95 from the tube store (Available as unmatched only).
http://www.thetubestore.com/bigpower.html
Second is a guy at EBAY selling 8 of these brand new for $89.95. Even if half are bad it's a bargain.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3801906416&category=14947
Last is a link to Tube Man. I recently purchased a set of 6C33-C-B tubes for Atma-Sphere mono blocks. MATCHED pairs are about $33.00 each. I believe he is the only dealer with the equipment to provide matching for this odd-ball Russian triode.
http://www.tubeman.com/item104.htm
Good luck John!
http://www.thetubestore.com/bigpower.html
Second is a guy at EBAY selling 8 of these brand new for $89.95. Even if half are bad it's a bargain.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3801906416&category=14947
Last is a link to Tube Man. I recently purchased a set of 6C33-C-B tubes for Atma-Sphere mono blocks. MATCHED pairs are about $33.00 each. I believe he is the only dealer with the equipment to provide matching for this odd-ball Russian triode.
http://www.tubeman.com/item104.htm
Good luck John!