Groove Tubes GT...6L6CHP...Anyone used them?

[Sludgenutz]

http://www.groovetubes.com/product.cfm?Product_ID=2173

They claim a more power (not really important to me), and more linearity (much more important to the Sludgenutz!:fingersx: ).

Has anyone got any experience with these? Where are they made?

Thanks ALL, in advance!

 

[Christobevii3]

Re: Groove Tubes GT...6L6CHP...Anyone used them?

I just know my groove tubes in my crate v3112 were relabeled sovteks...