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Best Tube Tester for 6SN7 & 6AS7

Hello Everyone,
Which brand and model of tube tester would work well for 6SN7 and 6AS 7 tubes? Also, what questions should I ask a seller to make certin that a tube testor is operating properly? Thanks in advance for your assistance.
Dennis
dgclark0007

Showing 1 response by hagtech

hagtech
176 posts
 
VacuTrace does this in real time:

http://www.hagtech.com/images/6sn7ab.jpg

It's the easiest way bar far to match sections within the tube. Also measures transconductance at any bias point.

jh
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