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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: New reissue KT88 versus vintage Genelex/Gec KT88 posted by Michael Samra on April 28, 2010 at 05:33:00:
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
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+ = 485VObserve the 87ma at at 500v thru 6k impedance
Observe the 94ma at 485v thru 4k impedance.
Believe me ,the genelex can handle it and Im only saying you can go to 80ma when you have a plate voltage of 440v.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Edits: 07/31/10
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Follow Ups
- data for the kt88s - Michael Samra 02:50:47 04/29/10 (0)
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