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#1 Recommendations needed for high quality valve bases

Posted: Tue Aug 20, 2019 3:11 pm
by RhythMick
The last valve bases I used looked great (black bakelite) but have screw in pins. I thought that was a benefit until I overtightened a couple after they kept coming loose.

So I'm after recommendations. Ideally copper or gold plated copper contacts, ceramic for low capacitance. What do you all use?

#2 Re: Recommendations needed for high quality valve bases

Posted: Tue Sep 10, 2019 9:35 pm
by Phil Y

#3 Re: Recommendations needed for high quality valve bases

Posted: Tue Sep 10, 2019 11:43 pm
by Nick
I use ceramic with gold platerd contacts normally. CMC Teflon for best (both from HFC). Not sure low capacitance is any issue at audio frequencies we are working with.

#4 Re: Recommendations needed for high quality valve bases

Posted: Wed Sep 11, 2019 8:47 pm
by Mike H
I thought that too when I read the orignal post, but didn't comment at the time. :D

I used ceramic for my scratch-built AM radio, but again plastic would have been plenty good enough I'm sure.