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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: Re: EL84 driver posted by john f on May 7, 2004 at 12:05:25:
You could use the ECC99, but the 6SN7GT is, alas, too wimpy to do the job properly, in my opinion. Great tube, but it has limitations.What more do you want to know about biasing EL84s? Do you mean you want a schematic to look at?
The driver stage schematic doesn't assume a bias configuration, but you could choose cathode biasing by grounding one end of the secondaries and standing the cathodes of the EL84s on individual or common cathode resistors or "fixed" biasing, by connecting that end of the secondaries to negative voltage sources and standing the cathodes on individual 10 ohm resistors to facilitate bias measurement and adjustment.
With a $0.08 per minute plan like I have it's easy to call Europe and not break the bank account. Try it.
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Follow Ups
- Re: EL84 driver - KevinC 12:25:49 05/07/04 (2)
- Re: EL84 driver - john2 02:48:42 05/08/04 (1)
- Re: EL84 driver and bias supply - KevinC 09:52:45 05/10/04 (0)
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