Testing a 6F8G tube

InnerTube · 1444

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Offline InnerTube

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on: April 20, 2018, 02:53:14 PM
Can I test a 6F8G tube by using an adapter and testing it as a 6SN7.  I ask this question because I have no settings for the 6F8G but I do have the settings for the 6SN7.  Thanks in advance for your help, JS

Innertube (John Spain)
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Offline Paul Birkeland

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Reply #1 on: April 20, 2018, 03:54:43 PM
They are close enough to use the same tester settings. 

Paul "PB" Birkeland

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Offline Paul Joppa

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Reply #2 on: April 21, 2018, 09:38:13 AM
Quote from: InnerTube on April 20, 2018, 02:53:14 PM
Can I test a 6F8G tube by using an adapter and testing it as a 6SN7.  I ask this question because I have no settings for the 6F8G but I do have the settings for the 6SN7.  Thanks in advance for your help, JS
This is a bit unclear - the 6F8G is electrically the same as a 6SN7, but the pinout is different. And you need a connector for the grid that is connected to the top cap. Without knowing more about the tester, it's hard to be more clear.

Paul Joppa

Offline InnerTube

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Reply #3 on: April 24, 2018, 09:13:02 AM
I intend to use the 6SN7/6F8G adapter. 

Innertube (John Spain)
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