BTW- Note the metal strip construction(top supports) of the
Tung Sols. I've not tried the round mouse-eared or
round mica types, so- can't vouch for them. Also- the short
bottled Sylvania 6SN7W was terrible(IMO). Way back when; I
tried the top 12 tubes on this survey:
(http://www.dehavillandhifi.com/6sn7_vt.htm) What I've
stated above, is what I found.
Tung Sols. I've not tried the round mouse-eared or
round mica types, so- can't vouch for them. Also- the short
bottled Sylvania 6SN7W was terrible(IMO). Way back when; I
tried the top 12 tubes on this survey:
(http://www.dehavillandhifi.com/6sn7_vt.htm) What I've
stated above, is what I found.