12AU6

The 12AU6 (European equivalent HF94) is a miniature RF pentode for up to ~50 MHz, with a miniature B7G 7-pin base. Apart from the 12 V heaters, it is the same as the 6AU6 (EF94).

Tek part number:

154-0040-00 (single tube)

Aged/Checked/Matched Pair Details
Used in	Tek Part#	S/N Range
112	157-0012-00	All
512 (V3,V8)	157-0012-00	All
575,112,G,K,L,Z,C,G	157-0038-00	All
575, Type G Plug-in	157-0050-00	All
Type G Plug-in (V3477,V3487)	157-0055-00	All
O	157-0071-00	All
575(V214, V224, V254, V264)	157-0017-00	All
?	157-0029-00	N/A
Type K Plug-in (V6101, V6111)	157-0031-00	Upto-353
Type Z Plug-in (V7634, V8634)	157-0065-00	All