12AU6
The 12AU6 (European: HF94) (P/N 154-0040-00) is an RF pentode vacuum tube 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).
The 8426 is an improved version used in the Type O.
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 |
| Type H Plug-in | 157-0076-00 | All |
| Type O Plug-in | 157-0077-00 | All |
| Type H, M Plug-in | 157-0078-00 | All |
| Type H Plug-in | 157-0114-00 | Post 1965 |
157-0012-00 has been replaced by 157-0038-00.
157-0029-00 has been replaced by 157-0038-00.
157-0065-00 has been replaced by 157-0038-00.
157-0017-00 has been replaced by 157-0050-00.
157-0055-00 has been replaced by 157-0050-00.
Reference:
Used in
- Type 53/54C plugin
- Type A
Pictures
-
157-0071-00 12AU6 Matched pair
-
157-0050-00 12AU6 Matched pair
-
157-0038-00 12AU6 Matched pair
Links
- Tung-Sol 12AU6 Datasheet (PDF)
- 12AU6 / 8426 @ radiomuseum.org