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Old 29th May 2012, 01:51 AM   #1
diyAudio Member
Join Date: Jan 2005
Location: Denmark
Question PCF what?


I'm about to build a 20 Watts, based on 6BG6 tubes.

I look at the input circuit right now. I will use a copy of Dynaco ST70 input, but changed to 9U8/PCF82 tubes.

In my store, I have some PCF82 tubes, but there were some PCF802.

I can not see much difference in the data sheet.
Are there some who can immediately explain to me the difference between the two types?

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Old 29th May 2012, 05:45 AM   #2
Yvesm is offline Yvesm  France
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Join Date: Jul 2004
Location: Ardeche
Pentodes are quite similar but the 802 triode has twice the of the 82 one

Look at:
electron Tube Data sheets - P

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