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.:D
In my store, I have some PCF82 tubes, but there were some PCF802.
I can not see much difference in the data sheet.:confused:
Are there some who can immediately explain to me the difference between the two types?
Pentodes are quite similar but the 802 triode has twice the µ of the 82 one ;)
electron Tube Data sheets - P
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