6AU6
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The 6AU6 (European: EF94) (Russian: 6Ж4П) (P/N 154-0022-00, 157-0073-00, 157-0059-00, 154-0284-00) is an RF pentode vacuum tube for up to ~50 MHz with a miniature B7G 7-pin base, introduced in 1946.
The 12AU6 is the equivalent version with a 12 V heater.
The 6AU6 is used in the 513, 561, 581, 585 and others as an error amplifier, in the Type 53/54C plugin, and others.
The 6AU6A is an improved version for equipment with series-connected heaters that has controlled warm-up and heater-to-cathode voltage rating increased to 200 V. The 6AU6WA is a ruggedized version.
The 8425 (used in Type Q ) is an improved successor version.
Tek part number:
- 154-0022-00
- 157-0073-00 (selected pair)
- 157-0059-00 (6AU6A)
- 154-0284-00 (6AU6WA)
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 310 | 157-0034-00 | See Note 1 |
| 502 (V414,V444) | 157-0056-00 | Before Mod M6179 |
| Type CA Plug-in | 157-0059-00 | All |
| 502, 505 (V414, V444) | 157-0073-00 | ? |
Note 1: Replaced by raw 6AU6 with instrument mod
Reference:
Links
- Tung Sol 6AU6 Datasheet (PDF)
- 6AU6 / 6AU6A / 6AU6WA / 8425 @ radiomuseum.org
Pictures
-
6AU6 and 12AU6 Vacuum Tubes
-
6AU6A (P/N 157-0059-00)
Some instruments using part 6AU6
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 107 | Tektronix | Pulse generator | 107 | square-wave generator | 1958 |
| 160 | Tektronix | Oscilloscope | 160 | Modular Oscilloscope | 1952 |
| 181 | Tektronix | Pulse generator | 181 | Time-mark generator | 1955 |
| 190 | Tektronix | Signal generator | 190 | Constant-Amplitude Signal Generator | 1954 |
| 2A60 | Tektronix | Plug-in | 2A60 | 1 MHz amplifier plug-in | 1962 |
| 310 | Tektronix | Oscilloscope | 310A | 4 MHz oscilloscope | 1955 |
| 310A | Tektronix | Oscilloscope | 310A | 4 MHz oscilloscope | 1959 |
| 316 | Tektronix | Oscilloscope | 316 | 10 MHz 3" tube scope | 1959 |
| 317 | Tektronix | Oscilloscope | 317 | 10 MHz 3" tube scope | 1959 |
| 360 | Tektronix | Oscilloscope | 360 | CRT Indicator Unit | 1954 |
| 3A72 | Tektronix | Plug-in | 3A72 | Dual channel amplifier plug-in | 1961 |
| 3C66 | Tektronix | Plug-in | 3C66 | Carrier amplifier plug-in | 1963 |
| 502 | Tektronix | Oscilloscope | 502 | 1 MHz dual beam differential scope | 1958 |
| 502A | Tektronix | Oscilloscope | 502A | 1 MHz dual beam differential scope | 1963 |
| 506 | Tektronix | Oscilloscope | 506 | 20 MHz scope | 1964 |
| 511 | Tektronix | Oscilloscope | 511 | 10 MHz Tube scope First Tektronix oscilloscope |
1947 |
| 511A | Tektronix | Oscilloscope | 511A | 10 MHz Tube scope | 1948 |
| 512 | Tektronix | Oscilloscope | 512 | Early 2 MHz scope | 1948 |
| 513 | Tektronix | Oscilloscope | 513 | 18 MHz scope | 1950 |
| 516 | Tektronix | Oscilloscope | 516 | 15 MHz dual-trace scope | 1960 |
| 517 | Tektronix | Oscilloscope | 517 | 50 MHz scope | 1951 |
| 524 | Tektronix | Oscilloscope | 524AD | TV waveform monitoring scope | 1953 |
| 526 | Tektronix | Audio/Video | 526 | NTSC Vectorscope | 1959 |
| 529 | Tektronix | Audio/Video | 529 | TV Waveform Monitor | 1965 |
| 531 | Tektronix | Oscilloscope | 531 | 10 MHz oscilloscope | 1954 |
| 535 | Tektronix | Oscilloscope | 535 | 10 (15) MHz dual-timebase scope | 1954 |
| 536 | Tektronix | Oscilloscope | 536 | 11 MHz X–Y oscilloscope | 1957 |
| 545 | Tektronix | Oscilloscope | 545 | 30 (33) MHz oscilloscope | 1955 |
| 545A | Tektronix | Oscilloscope | 545A | 30 (33) MHz oscilloscope | 1959 |
| 546 | Tektronix | Oscilloscope | 546 | 50 MHz oscilloscope | 1964 |
| 547 | Tektronix | Oscilloscope | 547 | 50 MHz oscilloscope | 1964 |
| 549 | Tektronix | Oscilloscope | 549 | 30 MHz storage oscilloscope | 1965 |
| 555 | Tektronix | Oscilloscope | 555 | Dual beam 30 MHz scope | 1959 |
| 561 | Tektronix | Oscilloscope | 561 | 10(4) MHz "General Purpose Scope" | 1961 |
| 561A | Tektronix | Oscilloscope | 561A | 10(4) MHz "General Purpose Scope" | 1962 |
| 564 | Tektronix | Oscilloscope | 564 | Split-Screen Storage Scope | 1962 |
| 565 | Tektronix | Oscilloscope | 565 | 10 MHz dual-beam scope | 1962 |
| 567 | Tektronix | Oscilloscope | 567 | Sampling scope | 1962 |
| 570 | Tektronix | Curve Tracer | 570 | Curve tracer for tubes | 1955 |
| 575 | Tektronix | Curve Tracer | 575 | Curve tracer for transistors | 1957 |
| 581 | Tektronix | Oscilloscope | 581 | 100 (95) MHz oscilloscope | 1959 |
| 581A | Tektronix | Oscilloscope | 581A | 85 MHz oscilloscope | 1963 |
| 585 | Tektronix | Oscilloscope | 585 | 100 (95) MHz oscilloscope | 1959 |
| 585A | Tektronix | Oscilloscope | 585 | 85 MHz oscilloscope | 1963 |
| 60 | Tektronix | Plug-in | 60 | 1 MHz amplifier Plug-in | 1961 |
| 80 | Tektronix | Plug-in | 80 | vertical amplifier | 1959 |
| C | Tektronix | Plug-in | Type (53)C | Dual-trace 8.5 (24) MHz amplifier | 1954 |
| CA | Tektronix | Plug-in | Type CA | 24 MHz dual-channel amplifier | 1959 |
| Q | Tektronix | Plug-in | Type Q | Strain gauge preamp plug-in | 1960 |