Don't know about your Cayin, but everything I have had with a tube shield seemed to sound better without it. The exceptions are phono preamps where the shield helps decrease noise. Is that tube mounted horizontally? Seems like it might run a bit hotter with a shield. I have been very interested in this player. Would you care to comment on your first impressions of it's sound? Maybe you could treat us to a review after you spend some more time with it.
Cayin CD-50T: Your favorite 12AU7 tube
Just purchased a Cayin CD-50T from a fellow Audiogoner. So far I've tried a RCA 12AU7 clear-top, Mullard 12AU7 long plate, and a RCA 5814 command series black plate. I like the clear-top for it's brighter presentation, as I'm using it with a Cayin HA-1A tube headphone amp. Any additional tube suggestions? Also, I use the metal shield provided with the Cayin for the tube to secure it to the socket. Anyone know if that causes overheating of the tube? Thanks!
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