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| 12AX7-WA Pinout |
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| 12AX7-WA Substitutes |
| Close or identical |
CV4004, M8137 |
| Different rating or performance |
12AX7, 12AX7A, 12AX7R, 12AX7S, 5751, 5751WA, 6057, 6681, 6L13, 7025, 7382, 7494, 7729, B339, CK5751, CV10319, CV4017, CV492, CV8156, CV8222, CV8312, E2164, E83CC, ECC803, ECC803S, ECC83, ECC863, QB339 |
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. |
| 12AX7-WA Ratings |
| Vh |
Ih |
VaMax |
VhkMax |
PaMax |
IkMax |
| 6.3 |
0.3 |
300 |
100 |
1 |
8 |
| 12.6 |
0.15 |
300 |
100 |
1 |
8 |
|
| 12AX7-WA Application Data |
| Class |
Va |
Vg1 |
Ia |
Ra |
S |
| Triode |
100 |
-1 |
0.5 |
80,000 |
1.25 |
| Triode |
250 |
-2 |
1.2 |
62,500 |
1.6 |
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| 12AX7-WA Data sheet links |
| Dave Cigna''s Pages (DuncanAmps mirror) |
12AX7: html |
| Duncan''s Amp Pages |
6L13/ECC83: Acrobat PDF (5 pages) Vade Mecum s.345: Acrobat PDF (2 pages) |
| Peter Millett |
12AX7: Acrobat PDF 65K 12AX7-A: Acrobat PDF 204K 20EZ7: Acrobat PDF 186K 5751: Acrobat PDF 208K 7025: Acrobat PDF 224K |
| National Valve Museum |
12AX7: html ECC83: html2 |
| oldradio.qrz.ru |
6L13: MAZDA Valves & Picture Tubes Data 7025: MK buizen handboek ECC803S: html page |
| Frank Philipse (Wildcat mirror - Jörg Jan Münter) |
12AX7WA: 12AX7WA.pdf (169487 bytes) 12AX7: 12AV6.pdf (96362 bytes), 12AX7.pdf (1035372 bytes), 12AX7.pdf (155076 bytes), 12AX7.pdf (288086 bytes), 12AX7.pdf (298923 bytes) 12AX7A: 12AX7A.pdf (175904 bytes), 12AX7A.pdf (176880 bytes), 12AX7A.pdf (374410 bytes), 12AX7A.pdf (602706 bytes) (fr) 12AX7S: 12AX7S.pdf (227978 bytes), 12AX7S.pdf (659411 bytes) (fr) 20EZ7: 20EZ7.pdf (234774 bytes) 5751: 2050.pdf (813252 bytes), 5751.pdf (106405 bytes) (de), 5751.pdf (136071 bytes), 5751.pdf (222944 bytes), 5751.pdf (231531 bytes) (de), 5751.pdf (689521 bytes) (fr) 5751WA: 5751WA.pdf (262382 bytes), 5751WA.pdf (269752 bytes) 6057: 6057.pdf (66618 bytes) 6681: 6681.pdf (193751 bytes), 6681.pdf (230504 bytes), 6681.pdf (85786 bytes) 6AX7: 6AX7.pdf (176519 bytes) 7025: 6201.pdf (902849 bytes), 7025.pdf (192602 bytes), 7025.pdf (210739 bytes), 7025.pdf (255087 bytes), 7025.pdf (416698 bytes) 7382: 7382.pdf (65262 bytes) 7494: 7494.pdf (86313 bytes) 7729: 7729.pdf (231224 bytes) B339: B339.pdf (68971 bytes) E83CC: E83CC.pdf (203713 bytes) (de), E83CC.pdf (456084 bytes) (de), E83CC.pdf (462413 bytes) ECC803: ECC803.pdf (111821 bytes) ECC803S: ECC803S.pdf (1986193 bytes) (cs), ECC803S.pdf (484395 bytes), ECC803S.pdf (517186 bytes) (de) ECC83: ECC83.pdf (152663 bytes), ECC83.pdf (2442186 bytes) (cs), ECC83.pdf (474468 bytes), ECC83.pdf (701380 bytes), ECC83.pdf (94156 bytes) (de) |
| Triode Electronics |
12AX7: gif1, gif2, gif3, gif4, gif5, gif6 |
| TubeZone |
12AX7: 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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