Quick Aikido question

Craig405 · 8th September 2005, 05:00 PM

Hi,

Will the Aikido circuit need the cathode resistors altered if you were to use 12AX7's and HT of 260V, If so is 1K1 The correct value for 1.1mA?

Cheers
Craig

Morgan L · 8th September 2005, 06:31 PM

Quick answer:

"Will the Aikido circuit need the cathode resistors altered if you were to use 12AX7's and HT of 260V, "

Yes (preferably).

"If so is 1K1 The correct value for 1.1mA?"

No. You would seem to require about 800 ohms. 820R is the closest
E12 standard value, which will be fine.

Morgan

Craig405 · 8th September 2005, 06:49 PM

Excellent, thanks a lot Morgan.

Craig

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8th September 2005, 06:31 PM	#2
Morgan L diyAudio Member Join Date: Jan 2004 Location: Umea, Sweden	Quick answer: "Will the Aikido circuit need the cathode resistors altered if you were to use 12AX7's and HT of 260V, " Yes (preferably). "If so is 1K1 The correct value for 1.1mA?" No. You would seem to require about 800 ohms. 820R is the closest E12 standard value, which will be fine. Morgan

8th September 2005, 06:49 PM	#3
Craig405 diyAudio Member Join Date: Jul 2005 Location: Sussex	Excellent, thanks a lot Morgan. Craig

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