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6C33C tubes - sonics, implementation & availability

Just looking for thoughts on the 6C33C tube and amplifiers using the 6C33C tubes. I know BAT, Lamm, Audio Mirror, Tube Guru, Wall Audio and others use this triode tube in differing topologies....some SET, some PSE and others push pull.  How does this tube compare with the 300B sonically?
Is there a preferred topology for this tube considering the higher current and from what I've read tube to tube variability/instability? I've also read these tubes are no longer in production but there are fairly large stockpiles, but many unreliable. Looking at the Wall Audio PSE M50 Monoblocks myself.  Thanks for all opinions!

normie57

Showing 1 response by normie57

normie57 OP
50 posts
 
Thanks, Ralph, for your comprehensive comments!
Forgive me for not including the OTL topology used in your earlier offerings as well as Joule Electra, etc. I wish there was a way of knowing whether individual manufacturers use more heavy duty sockets and wiring. I’ve also read that warming the filament for 3-5 minutes before HT power is applied may prolong tube life.


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