Ceramic valve bases

[Wakefield Turntables]

I'm looking at component selection for my Sondex upgrades. I've come across ceramic valve bases, does ceramic have any known advantages over other valve base materials?

[Jazid]

Heat resistance for eg. Transmission valves. The critical thing for most everyday valves is the snugness of fit, and the corrosion resistance of the pin sockets IMO. Here NOS McMurdo and better quality bases do make a real difference, and last longer too.

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Edited for weird typo

[Bigman80]

I really like Teflon ones.

[Jazid]

Agreed

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[Ali Tait]

Aye Teflon is the way to go methinks.

[User211]

Yup definitely Teflon. Helps damp any microphony I reckon.

That said some microphony in valves can sound either rubbish or really good. At least that is the conclusion I have come to. Seems to depend a lot on the valve as to how it rings and whether it constitutes good or bad sounding colouration.

Valve microphony acts much like a stylus pickup in a record player, which DEFINITELY acts as a microphone in effect.

Real instruments act as mics too. Electric guitars are just one example.