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157-0012-00 has been replaced by 157-0038-00.
157-0029-00 has been replaced by 157-0038-00.
157-0065-00 has been replaced by 157-0038-00.
157-0017-00 has been replaced by 157-0050-00.
157-0055-00 has been replaced by 157-0050-00.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
- 12AU6 / 8426 @ radiomuseum.org
Some instruments using part 12AU6
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 112 | Tektronix | Amplifier | 112 | Differential amplifier | 1949 |
| 1L10 | Tektronix | Plug-in | 1L10 | 1 MHz to 36 MHz Spectrum Analyzer | 1965 |
| 1L20 | Tektronix | Plug-in | 1L20 | 4.2 GHz Spectrum Analyzer plug-in | 1965 |
| 1L60 | Tektronix | Plug-in | 1L60 | 150-250 MHz Spectrum Analyzer plug-in | (?) |
| 3L10 | Tektronix | Plug-in | 3L10 | 1 - 36 MHz Spectrum Analyzer Plug-In | 1965 |
| 512 | Tektronix | Oscilloscope | 512 | Early 2 MHz scope | 1948 |
| 545 | Tektronix | Oscilloscope | 545 | 30 (33) MHz oscilloscope | 1955 |
| 547 | Tektronix | Oscilloscope | 547 | 50 MHz oscilloscope | 1964 |
| 549 | Tektronix | Oscilloscope | 549 | 30 MHz storage oscilloscope | 1965 |
| 556 | Tektronix | Oscilloscope | 556 | 50 MHz dual beam scope | 1966 |
| 575 | Tektronix | Curve Tracer | 575 | Curve tracer for transistors | 1957 |
| 581 | Tektronix | Oscilloscope | 581 | 100 (95) MHz oscilloscope | 1959 |
| 585 | Tektronix | Oscilloscope | 585 | 100 (95) MHz oscilloscope | 1959 |
| 81 | Tektronix | Plug-in | Type 81 | plug-in adapter | 1960 |
| A | Tektronix | Plug-in | Type A | 20 MHz amplifier plug-in | 1954 |
| B | Tektronix | Plug-in | Type B | 20 MHz amplifier plug-in | 1954 |
| C | Tektronix | Plug-in | Type (53)C | Dual-trace 8.5 (24) MHz amplifier | 1954 |
| G | Tektronix | Plug-in | Type G | 20 MHz differential amplifier | 1955 |
| H | Tektronix | Plug-in | Type H | 15 MHz amplifier plug-in | 1958 |
| K | Tektronix | Plug-in | Type K | 30 MHz amplifier plug-in | 1955 |
| L | Tektronix | Plug-in | Type L | High-sensitivity 30 MHz amplifier | 1957 |
| M | Tektronix | Plug-in | Type M | 20 MHz quad-channel amplifier | 1962 |
| ML | Tektronix | Plug-in | ML | High-sensitivity 30 MHz amplifier | 1962 |
| N | Tektronix | Plug-in | Type N | Sampling system plug-in | 1960 |
| O | Tektronix | Plug-in | Type O | Dual opamp plugin | 1962 |
| R | Tektronix | Plug-in | Type R | Tranistor rise-time test set | 1958 |
| S | Tektronix | Plug-in | Type S | Diode recovery tester plug-in | 1960 |
| Z | Tektronix | Plug-in | Type Z | Comparator preamp plug-in | 1960 |