Other Tubes of Interest

YC-156, YC-179, 3CPX5000A7
Data sheet: http://www.g8wrb.org/yc156.php

Some other YC-156/179 info: http://yc156.gs35b.com

GI-7B - Visit my GI-7B page with links to lots of amps
(click the small pictures to see a larger picture in another browser)
This is a pair of GI-7B tubes
This is a top view of a GI-46
And a side view of the GI-46
Here the GI-46 on the left and the GI-7B on the right are compared