12AX7
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The 12AX7 (European: ECC83) (P/N 154-043, 154-0043-00) is a dual triode tube with a B9A (Noval) miniature 9-pin base. The high-reliability version is the 6057 (E83CC).
The 12AX7 is used in the Type E, and as an error amplifier in the power supplies of many Tektronix instruments, including the 513, where it was chosen for its high gain.
The 5751 is an improved successor.
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 122 | 157-0032-00 | All |
Reference:
Links
Pictures
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157-0032-00
Used in
Some instruments using part 12AX7
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 513 | Tektronix | Oscilloscope | 513 | 18 MHz scope | 1950 |
| 524 | Tektronix | Oscilloscope | 524AD | TV waveform monitoring scope | 1953 |
| 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 |
| 545B | Tektronix | Oscilloscope | 545B | 30 (33) MHz oscilloscope | 1964 |
| 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 |
| 570 | Tektronix | Curve Tracer | 570 | Curve tracer for tubes | 1955 |
| 581 | Tektronix | Oscilloscope | 581 | 100 MHz (85 MHz) oscilloscope | 1959 |
| 581A | Tektronix | Oscilloscope | 581A | 100 MHz (85 MHz) oscilloscope | 1963 |
| 585 | Tektronix | Oscilloscope | 585 | 100 MHz oscilloscope | 1959 |
| 585A | Tektronix | Oscilloscope | 585 | 100 MHz oscilloscope | 1963 |
| E | Tektronix | Plug-in | Type E | Differential amplifier | 1955 |
| Hickok 1825 | Hickok | Plug-in | 1825 | Differential amplifier | 1959 |
| Q | Tektronix | Plug-in | Type Q | Strain gauge preamp plug-in | 1960 |