I tried Amperex, Mullard, Tele and four others I do not recall now - The Telefunkens NOS were the winners in my system for a DA50S both in the 12Au and 12AX sections.
Closer to them were a set of Amperex Buggle boys, a little dry in my opinion compared to the magic of the Telefunkens IMO.
Regards,
Closer to them were a set of Amperex Buggle boys, a little dry in my opinion compared to the magic of the Telefunkens IMO.
Regards,