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Here is socket layouts and mains characteristics of tubes. I have also many data sheets of tubes. Are you interested on HIFI tubes, BF tubes, high frequency, hight power ? I have about 300 Mo of informations about tubes and 100 Mo BF tubes amplifiers.
Hello TeneffRC you could request these be built using PCB Part Library, they may take longer to produce as 'specials' and they will probably have a block for a schematic symbol.
This triggered a memory of a user who shared his valve library a few years ago.
https://www.rs-online.com/designspark/does-design-spark-support-amplifier-rf-class-a-or-ab-pushpull-circuits and I downloaded the library and added to DSPCB V9.0 to check that it functioned (NOT for accuracy so you need to check this aspect) and it appears a very nice library. Image attached.
Thanks again to Koifarm.