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!
djbargelt
Cayin CD-60 review: Hifiharv asked me to do a review, so I did one. It's posted in the Reviews section.
Thanks for the tube suggestions. Lots of different opinions on the use of tube shields when I searched the web. I would assume Cayin elected to use one for this player due to it's sideways mounting and close location to a circuit board.
I really like the Telefunkens. They are bulletproof. I'm not a fan of shields but do have the rubber rings on my amp gain tubes. They reduce some of the noise from room acoustics.
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.