12AT7
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The 12AT7 (European: ECC81) (P/N 154-0039-00) is a dual high-gain triode vacuum tube with a B9A (Noval) miniature 9-pin base.
The high-reliability equivalent is the 6201 (E81CC).
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 513D (V4, V7, V8) | 157-0008-00 | All |
| 514AD (V9) | 157-0008-00 | All |
| 514D (V6) | 157-0008-00 | All |
| 315 (V201) | 157-0009-00 | All |
| 315 (V213) | 157-0010-00 | All |
| 529 (V113) | 157-0010-00 | 2110-up |
| RM529 (V113) | 157-0010-00 | 4910-up |
| 180 (V302) | 157-0010-00 | All |
| 514D(V4) | 157-0011-00 | up to 3408 |
| 514AD (V6) | 157-0011-00 | All |
| 524D, 524AD (V11) | 157-0030-00 | All |
| Type G Plug-in (V3617,V3627,V3967) | 157-0030-00 | All |
| Type K Plug-in (V5701,V6501,V6551) | 157-0030-00 | All |
| 544, 546, 556, M 547 (V1003) |
157-0118-00 | All 6730+ |
Reference:
Links
Used in
Some instruments using part 12AT7
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 161 | Tektronix | Plug-in | 161 | Pulse Generator Module | 1952 |
| 180 | Tektronix | Pulse generator | 180 | Time-mark generator | 1958 |
| 1M1 | Tektronix | Plug-in | 1M1 | Calibration plug-in | 1964 |
| 310 | Tektronix | Oscilloscope | 310A | 4 MHz oscilloscope | 1955 |
| 310A | Tektronix | Oscilloscope | 310A | 4 MHz oscilloscope | 1959 |
| 315 | Tektronix | Oscilloscope | 315 | "Portable" tube scope | 1952 |
| 316 | Tektronix | Oscilloscope | 316 | 10 MHz 3" tube scope | 1959 |
| 360 | Tektronix | Oscilloscope | 360 | CRT Indicator Unit | 1954 |
| 3A2 | Tektronix | Plug-in | 3A2 | 500 kHz dual-trace amplifier plug-in | 1964 |
| 3A75 | Tektronix | Plug-in | 3A75 | 4 MHz amplifier plugin | 1964 |
| 502 | Tektronix | Oscilloscope | 502 | 1 MHz dual beam differential scope | 1958 |
| 502A | Tektronix | Oscilloscope | 502A | 1 MHz dual beam differential scope | 1963 |
| 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 |
| 514 | Tektronix | Oscilloscope | 514 | 10 MHz scope | 1949 |
| 516 | Tektronix | Oscilloscope | 516 | 15 MHz dual-trace scope | 1960 |
| 524 | Tektronix | Oscilloscope | 524AD | TV waveform monitoring scope | 1953 |
| 529 | Tektronix | Audio/Video | 529 | TV Waveform Monitor | 1965 |
| 544 | Tektronix | Oscilloscope | 544 | 50 MHz oscilloscope | 1964 |
| 546 | Tektronix | Oscilloscope | 546 | 50 MHz oscilloscope | 1964 |
| 547 | Tektronix | Oscilloscope | 547 | 50 MHz oscilloscope | 1964 |
| 556 | Tektronix | Oscilloscope | 556 | 50 MHz dual beam scope | 1966 |
| 565 | Tektronix | Oscilloscope | 565 | 10 MHz dual-beam scope | 1962 |
| 570 | Tektronix | Curve Tracer | 570 | Curve tracer for tubes | 1955 |
| 75 | Tektronix | Plug-in | 75 | 4 MHz amplifier plug-in | 1961 |
| A | Tektronix | Plug-in | Type A | 20 MHz amplifier plug-in | 1954 |
| B | Tektronix | Plug-in | Type B | 20 MHz amplifier plug-in | 1959 |
| 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 |
| K | Tektronix | Plug-in | Type K | 30 MHz amplifier plug-in | 1955 |
| L | Tektronix | Plug-in | Type L | High sensitivity amplifier plugin | 1957 |
| M | Tektronix | Plug-in | Type M | 20 MHz quad-channel amplifier | 1962 |
| N | Tektronix | Plug-in | Type N | Sampling system plug-in | 1960 |
| 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 |