Hello
I've been trying to collect information regarding soviet version of the 6SL7 - 6H9S tubes. I have 10 different versions of soviet 6H9S and I have not idea which factory made some of them. Please visite this link with info and pictures of the tubes I got:
http://entertainment.webshots.com/album/562167001PsmXZU
If you have any experience and information about soviet 6H9S I will be very happy to share experience and information.
Best regards
I've been trying to collect information regarding soviet version of the 6SL7 - 6H9S tubes. I have 10 different versions of soviet 6H9S and I have not idea which factory made some of them. Please visite this link with info and pictures of the tubes I got:
http://entertainment.webshots.com/album/562167001PsmXZU
If you have any experience and information about soviet 6H9S I will be very happy to share experience and information.
Best regards