"Ronald" wrote:

: 12AU7 are still reasonably plentiful as NOS items, since they have
: become unpopular amoungst hi-end users, imho.
:
: Unpopular as they should be !! It's a dull sounding tube and looks like
: sh*t next to a 300B or other power tube .

Depends on the setting, possibly. Coincidentally, off a link from the
thread above, there's a picture of an amp using 12AU7 300B and 845.
http://www.meixingaudio.com/ENGLISH/...c300b-845a.htm