hi all,does anyone know subs for 19hv8 and 19ez8? nothing in tube info or my book,not sure what they do in my radio but it drifts off freq alot,have to keep adjusting tuner, both tubes have alot of grid leakage.tube line-up besides these is 25dk4,35c5 and 2 12ba6's,thanks for any info,phil[its' f.m. only]

Hi Phil

You can find information on tubes here:

http://tdsl.duncanamps.com/tubesearch.php

Neither of these tubes were common but both are available from AES, www.tubesandmore.com . 19HV8 has the same basing as 19JN8 & 19CL8. Didn't find any with same basing as 19EZ8.

Norm

:hi all,does anyone know subs for 19hv8 and 19ez8? nothing in tube info or my book,not sure what they do in my radio but it drifts off freq alot,have to keep adjusting tuner, both tubes have alot of grid leakage.tube line-up besides these is 25dk4,35c5 and 2 12ba6's,thanks for any info,phil[its' f.m. only]