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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: HELP! EL84 amp problem! posted by Matt on April 2, 2001 at 05:56:26:
Hi,I took a short look at the circuit. My suggestions would be:
Check the tubes themselves. I had problems with EF 86 tubes. Did you ground the shielding of the EF86?
Make sure that the grid stopper resistor for the EL84 is soldered directly and as short as possible to the socket.
In my experience galvanic couplings often tend to oscillate. Check that the caps from the screen grid of the EF 86 and from the cathode of the EL84 are properly grounded.
Good luck
KlausB
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Follow Ups
- Re: HELP! EL84 amp problem! - KlausB 09:35:06 04/02/01 (0)
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