6V6GT

nafunga · 25th July 2006, 08:21 AM

Hi,
Can anyone help with the 'ra' of a 6V6 in triode mode please? Approx. 150v anode to cathode.

Thanks

Agent327 · 25th July 2006, 11:02 AM

Hello Nafunga,

Ra depends on anode current and voltage.
You can find a datasheet at "Frank's Electron tube Pages".
General Electric 6V6GTA datasheet:
Find the plate curves for triode operation.
Estimate Ra = du/di at your operating point.
At 150V, 60mA approximately 2000 Ohm,
At 150V, 10mA maybe 3 or 4000 Ohm.

Cheers!
Kees

nafunga · 25th July 2006, 08:07 PM

Thanks Kees. That will do nicely!

25th July 2006, 08:21 AM	#1
nafunga diyAudio Member Join Date: Jul 2005 Location: Whitstable , Kent. UK	6V6Gt Hi, Can anyone help with the 'ra' of a 6V6 in triode mode please? Approx. 150v anode to cathode. Thanks

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25th July 2006, 11:02 AM	#2
Agent327 diyAudio Member Join Date: Nov 2004 Location: Utrecht, Netherlands	Hello Nafunga, Ra depends on anode current and voltage. You can find a datasheet at "Frank's Electron tube Pages". General Electric 6V6GTA datasheet: Find the plate curves for triode operation. Estimate Ra = du/di at your operating point. At 150V, 60mA approximately 2000 Ohm, At 150V, 10mA maybe 3 or 4000 Ohm. Cheers! Kees

25th July 2006, 08:07 PM	#3
nafunga diyAudio Member Join Date: Jul 2005 Location: Whitstable , Kent. UK	Thanks Kees. That will do nicely!

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