Old mesa Str preamp tubes

[Shep]

What are they? I got 2 pretty much new old one's.. one is a STR 7025 12ax7-A and the other is a Str 12ax7-A ... haven't tried them yet..they have a funny little square getter..

 

[Schmoog]

I think that mesa used to use sylvania's back in the day. that or phillips

 

[Shep]

Thanks! i am giving them ago ...see how they sound..

 

[Kung-Fool]

I have some of those as well and they look a lot like the Ruby C9's I have.

 

[Shep]

just found out they are chinese...