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Best 300B

Can anyone compare the new Genelex PX300B tube to either Svetlana 300B's, Western Electric 300B's, Sophia 300B mesh plates,newer KR300B tubes or Electro Harmonix 300B's.

From my experience the Svetlanas sound a lot like the Western Electric 300B reissues. New KR300b's are better than the older KR VV32B's, KR VV300B's or KR VV302B's and all the above are better than Electro Harmonix 300B's

My Sophia Mesh Plates sounded very good in my Manley Retros but after several listening sessions I put them back in their boxes because the bias kept changing at the recommended setting. Whenever I get around to it I'm going to compare them to others in one of my self biasing amps.

Thanks in advance,
Ron
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montejay
285 posts
 
Thanks Abill,
I'm sure your 300b tubes played a large part when Coincident developed the Frankensteins and their current speaker lineup.
I have a good idea how suberb your system must sound.

Enjoy,
calloway
874 posts
 
..the new sophia 'royal princess' 300B tubes are superb
charles1dad's avatar
charles1dad
10,250 posts
 
Calloway,
Much praise has been wriiten about the Royal Princess. It seems it has serious competition in price and performance from the Takatsuki TA300b made in Japan.

I would love the opprotunuty to compare these two.
jedinite24's avatar
jedinite24
1,503 posts
 
Are the Shuguang Black Treasure 300B tubes the same as the Psvane 300B-TII tubes out now?

Also all these different Shuguang tubes drive me nuts. I saw this one too.

Shuguang 300BS-B (replacing 300BA 300B-98B)

I'm hoping since some time has passed since this thread was updated people can share more of their thoughts on the 300B tubes out there.
brownsfan
1,508 posts
 
Jedinite, I recently purchased a pair of Coincident Frankensteins and had an opportunity to audition the Psvane TIIs, Ts, and HiFi 300B tubes. The Ts and TIIs were substantially better than the HiFis, but the difference between the Ts and TIIs was not significant. I was offered the Ts at a discount relative to the TIIs, which was a no brainer. They were subtly different, but I didn't have a clear preference for either, so I went with the Ts based on price.
I was told both the Ts and TIIs were substantially better than the Shuguang Black Treasures.

How the Ts compare to the Sophia RP and Takatsuki 300Bs, I can't say. I asked a fellow whose opinion I respect and he advised sticking with the Ts, which surprised me, in view of the glowing praise you hear regarding the RPs and Takatsukis. Once one gets up to 1K and above for a pair, it gets to be a pretty expensive experiment.
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