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| EL90 Pinout |
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| EL90 Substitutes |
| Close or identical |
6AQ5, 6AQ5A, BPM04, CK6005, CV1862, CV8229, M8245, N727 |
| Different rating or performance |
6005, 6095, 6669, 6AQ5W, 6BM5, 6L31, CV3972, CV4019, CV5190 |
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. |
| EL90 Ratings |
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| EL90 Application Data |
| Class |
Va
V |
Vg2
V |
Vg1
V |
Ia
mA |
Ig2
mA |
Ra
Ω |
S
mA/V |
Rk
Ω |
Zout
Ω |
Pout
W |
THD
% |
| A S/E |
250 |
250 |
-12.5 |
45 |
4.5 |
52,000 |
4.1 |
250 |
5,000 |
4.5 |
8 |
|
| EL90 Data sheet links |
| Peter Millett |
6AQ5-A: Acrobat PDF 119K 6669: Acrobat PDF 97K |
| The Valve Museum |
6AQ5: html2, html3, html4 EL90: html |
| oldradio.qrz.ru |
EL90: MK buizen handboek |
| Frank Philipse (Wildcat mirror - Jörg Jan Münter) |
6AQ5: 6AQ5.pdf (211516 bytes), 6AQ5.pdf (400664 bytes) (fr), 6AQ5.pdf (49131 bytes), 6AQ5.pdf (608766 bytes) 6AQ5A: 6AM8A.pdf (264754 bytes), 6AQ5A.pdf (166697 bytes), 6AQ5A.pdf (526894 bytes) EL90: EL90.pdf (189527 bytes) (de) N727: N727.pdf (221150 bytes) 6005: 6005.pdf (1208125 bytes) (fr), 6005.pdf (7327694 bytes) (fr) 6095: 6095.pdf (83154 bytes) 6669: 6201.pdf (902849 bytes), 6669.pdf (127657 bytes), 6669.pdf (202284 bytes), 6669.pdf (400038 bytes) 6BM5: 6BM5.pdf (408583 bytes) (fr) 6L31: 6L31.pdf (349451 bytes) (cs) |
| TubeZone |
6AQ5: pdf |
| Wikipedia |
6AQ5: Wikipedia page |
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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