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| 2A3 Pinout |
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| 2A3 Substitutes |
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Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. |
| 2A3 Ratings |
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| 2A3 Application Data |
| Class |
Va |
Vg1 |
Ia |
Ra |
S |
Rk |
Zout |
Pout |
THD |
| A S/E |
250 |
-45.0 |
60.0 |
800 |
5.2 |
750 |
2,500 |
3.5 |
5 |
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| 2A3 Data sheet links |
| Dave Cigna''s Pages (DuncanAmps mirror) |
2A3: html |
| oldradio.qrz.ru |
2A3: Brans Vademecum, MK buizen handboek |
| Frank Philipse |
2A3: .gif file, 021/2/2A3.pdf, 049/2/2A3.pdf, 121/2/2A3.pdf |
| Frank Philipse (Pocnet mirror - Patrik Schindler) |
2A3: 1U5.pdf (41369 bytes), 2A3.pdf (141927 bytes), 2A3.pdf (170123 bytes), 2A3.pdf (19050 bytes) (fr), 2A3.pdf (197658 bytes) 5930: 5930.pdf (62098 bytes) |
| Frank Philipse (Wildcat mirror - Jörg Jan Münter) |
2A3: 1U5.pdf (41369 bytes), 2A3.pdf (141927 bytes), 2A3.pdf (170123 bytes), 2A3.pdf (19050 bytes) (fr), 2A3.pdf (197658 bytes) 5930: 5930.pdf (62098 bytes) |
| Triode Electronics |
2A3: gif1, gif2, gif3, gif4 |
| TubeZone |
2A3: pdf |
Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details |
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