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Valve Base Recommendation
Valve Base Recommendation
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Old 1st January 2019, 02:11 PM   #1
eldarvanyar is offline eldarvanyar  United Kingdom
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Default Valve Base Recommendation

Hi guys,

Can you recommend or add your wisdom and experience to what constitutes a good valve base.

I need valve bases that will sit on top the chassis.

I have been looking at various ones but there are a lot to choose from , silver, gold, Belton Micalex, Audio Note Silver, bakalite, Teflon, ceramic

8 pin for 12AX7, 12AU7 etc

9 pin for EL34 etc

Thanks
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Old 1st January 2019, 02:33 PM   #2
JMFahey is offline JMFahey  Argentina
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Quote:
Originally Posted by eldarvanyar View Post
8 pin for 12AX7, 12AU7 etc

9 pin for EL34 etc
Sorry but those are real hard to find
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Old 1st January 2019, 03:21 PM   #3
DF96 is offline DF96  England
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Teflon is for low loss at UHF, so no need for audio.

Ceramic is for coping with high temperature, so unlikely for audio.

I would use NOS if you can find them. Modern valveholders can be a bit random in their dimensions, so may grip too loose or too tight.
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Old 1st January 2019, 05:51 PM   #4
JonSnell Electronic is offline JonSnell Electronic  United Kingdom
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12AX7, 12AU7 etc are 9pin B9A bases. Not 8pin I use RS PRO, Thermionic Valve Base B9A for 12AU7, 12AX7, 6DJ8, 6L13, B329, B339, CV491, CV492, E88CC, ECC82, ECC83 | RS Components

EL34 is International Octal or 8pin. Not 9pin I use Thermionic Valve Bases | RS Components
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Old 12th February 2019, 09:19 PM   #5
eldarvanyar is offline eldarvanyar  United Kingdom
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Thanks for your help
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Old 13th February 2019, 11:52 AM   #6
Kay Pirinha is offline Kay Pirinha  Germany
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Quote:
Originally Posted by eldarvanyar View Post
9 pin for EL34 etc
A 9 pin version of the EL34 would be called EL60 (enneal base).
Best regards!
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