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| 12AU7 Pinout |
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| 12AU7 Substitutes |
| Close or identical |
CV10323, CV10666, CV4003, CV491, CV8155, CV8221, ECC82 |
| Different rating or performance |
12AU7A, 12AU7WA, 5814, 5814A, 5963, 6067, 6189, 6680, 6CC40, 7489, 7730, B329, B749, CK5814, CV3900, CV4016, CV9092, E2163, E82CC, ECC802, ECC802S, M8136 |
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. |
| 12AU7 Ratings |
| Vh |
Ih |
VaMax |
VhkMax |
PaMax |
IkMax |
| 6.3 |
0.3 |
300 |
180 |
2.75 |
20 |
| 12.6 |
0.15 |
300 |
180 |
2.75 |
20 |
|
| 12AU7 Application Data |
| Class |
Va |
Vg1 |
Ia |
Ra |
S |
| Triode |
100 |
0 |
11.8 |
6,250 |
3.2 |
| Triode |
170 |
-4.0 |
10.0 |
7,200 |
2.5 |
| Triode |
200 |
-5.5 |
11.0 |
7,200 |
2.5 |
| Triode |
250 |
-8.5 |
10.5 |
7,700 |
2.2 |
|
| 12AU7 Data sheet links |
| Automatica |
12AU7: html |
| Dave Cigna''s Pages (DuncanAmps mirror) |
12AU7: html |
| City Radio |
ECC82: html |
| David Crittle''s site (Retrovox) |
12AU7: Acrobat PDF application sheet |
| N7JP Tube Database |
12AU7: HTML page |
| National Valve Museum |
12AU7: html ECC82: html2, html3 |
| oldradio.qrz.ru |
12AU7: MK buizen handboek ECC82: html page, MAZDA Valves & Picture Tubes Data |
| Penta Laboratories |
ECC82: Acrobat PDF |
| Frank Philipse |
12AU7: .gif file, 126/b/B329.pdf ECC82: 010/e/ECC82.pdf, 030/e/ECC82.pdf, 082/e/ECC82.pdf |
| Triode Electronics |
12AU7: gif01, gif02, gif03, gif04, gif05, gif06, gif07, gif08, gif09, gif10, gif11, gif12 |
| TubeZone |
12AU7: pdf |
| Virtual Valve Museum |
ECC82: HTML page |
| WPS |
12AU7: html page |
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