[Johnson] Thunderbolt question: Matched finals needed?

signalshifter [email protected]
Sun, 15 Jun 2003 13:18:22 -0600 

4-400 tubes are fairly easy to get , Amperex and EIMAC are available from:
http://www.tubesandmore.com   http://www.rfparts.com  there are numurous 
other
sources for this excellent triode.  The Price is  about $300 each + or - 
about
20 bucks..  

                                               Ken de W7ITC