Home OTL Asylum

OTL, Output Transformerless Amplifier User Group.

Re: Ceramic Tube Sockets

>Has anyone tried tweaking/upgrading the tube sockets? If it is a worthwile improvement, I am interested.

There is nothing inherently wrong with a ceramic tube socket; this said, it is nearly impossible to find a ceramic socket worth owning. Most ceramic sockets sold today are Chinese-cheapos, with gold or silver washed pins. Note I said 'washed' and not 'plated'. Overall quality is pretty shoddy, and the precious metal wash does nothing for the sound of the equipment. What it *does* do, is create a dissimilar metal connection in the tube socket between the tin tube pins and the gold/silver sockets.

To further the problems, the gold/silver wash wears through quickly to expose the base metal. Now we have three (or four, if the pins are base metal -> copper wash -> precious metal) dissimilar metals all at work in a hot location. Not desirable.

All this said, the particular set of amps in question is / was owned by Paul Speltz of ZERO Autoformer fame. I know Paul very well, and I would trust implicitly any piece of gear that has passed through his hands. Also, I have no idea what his source was for the sockets, and Paul tends to be a real stickler for quality.

Tube socket concerns aside, I suspect that this would be a really super set of amps to own. My trust in Paul's workmanship and ethics are unfailing. Also of note, his wife is a great cook ;-)

Hope this helps,
Bill Layer


This post is made possible by the generous support of people like you and our sponsors:
  The Cable Cooker  


Follow Ups Full Thread
Follow Ups


You can not post to an archived thread.