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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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Showing 3 responses by jedinite24

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.
jedinite24's avatar
jedinite24
1,503 posts
 
Hi Brownsfan

Thanks for going into detail and explaining your experiences with the PSVane 300B T tubes. I was actually looking into the HiFi 300B tubes and the Shuguang Black Treasure tubes. I'll probably skip the HiFi 300B tubes now. The cheaper Sophia 300Bs interest me but am trying to figure things out what the differences sonically would be between the mesh plates and solid plates. I'm going to keep things under $500 per pair for 300B tubes.
jedinite24's avatar
jedinite24
1,503 posts
 
Hey everyone

I just want add this extensive tube roll test of a good amount 300B tubes done by the late Ian Grant of Grant Fidelity for everyone to review.

http://grantfidelity.com/forum/viewtopic.php?t=281

He covers a lot of 300B tubes so I hope this helps everyone.

Also I want to say Thanks again to Brownsfan and Charles for their input on the 300B tubes. I'm going to enjoy the stock Electro Harmonix 300B tubes in my Bottlehead BeePre preamp for now and then I'll start the tube rolling madness. 300B tubes can be really pricey and I want to avoid the buy try and re-sell at a loss cycle that I've gone through in the past. I do wish there was a 300B lending library but what can you do.
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