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| KT88 Pinout |
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| KT88 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. |
| KT88 Ratings |
| Vh |
Ih |
VaMax |
Vg2Max |
VhkMax |
PaMax |
Pg2Max |
IkMax |
Cgk |
Cak |
Cga |
| 6.3 |
1.6 |
800 |
600 |
200 |
42 |
8 |
230 |
16.0 |
12.0 |
1.2 |
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| KT88 Application Data |
| Class |
Va |
Vg2 |
Vg1 |
Ia |
Ig2 |
Rk |
Zout |
Pout |
THD |
Notes |
| AB1 |
521 |
300 |
|
2x64 |
2x1.7 |
2x460 |
9000 |
50 |
3.0 |
B+ = 560V |
| AB1 |
552 |
300 |
-34.0 |
2x60 |
2x1.7 |
|
4500 |
100 |
2.5 |
|
| AB1 U/L 40% |
553 |
|
-75.0 |
2x50 |
|
|
4500 |
100 |
2.0 |
|
| AB1 U/L 40% |
453 |
|
-59.0 |
2x50 |
|
|
4000 |
70 |
2.0 |
|
| AB1 U/L 40% |
436 |
|
|
2x87 |
|
2x600 |
6000 |
50 |
1.5 |
B+ = 500V |
| AB1 U/L 40% |
328 |
|
|
2x87 |
|
2x400 |
5000 |
30 |
1.0 |
B+ = 375V |
| AB1 triode |
349 |
|
|
2x79 |
|
2x525 |
4000 |
17 |
1.5 |
B+ = 400V |
| AB1 triode |
422 |
|
|
2x94 |
|
2x525 |
4000 |
31 |
1.5 |
B+ = 485V |
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| KT88 Data sheet links |
| Automatica |
KT88: html |
| Dave Cigna''s Pages (DuncanAmps mirror) |
KT88: html |
| National Valve Museum |
KT88: html |
| Penta Laboratories |
KT88S: Acrobat PDF |
| Frank Philipse |
KT88: 084/k/KT88.pdf, 086/k/KT88.pdf |
| Triode Electronics |
KT88: GEC1, GEC2, GEC3, Genelex1, Genelex2, Genelex3, Genelex4, Genelex5, Genelex6, Genelex7, Genelex8 |
| TubeZone |
KT88: pdf |
| Virtual Valve Museum |
KT88: HTML page |
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