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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 6 responses by montejay

montejay
285 posts
 
Shuguang Treasures Black bottles and never look back
Best 300b I have heard in my system (KR 300b's,Electro Harmonix and TJ carbon meshplates).The KR300b are also very good but reliabilty was the issue I had with them.
montejay
285 posts
 
Hi Charles,
The best way to explain the difference between the TJ's and the black bottles it that once you put the black bottles in the veil is lifted. Everything becomes more immediate. The bass carries more weight and the highs become both extended with the whole presentation becoming more resolved.They altered the sound of the Franks in such a way that my TJ's are collecting dust since I put them in (did take a while to break in).Eventually I may roll them in but only to hear the differences.

Regards,
montejay
285 posts
 
Hi Charles,
You are correct. My mistake as I do have the carbon plates and not the SE's.
Having heard quite a few 300b's in the Franks (both mine and others)I strongly prefer the black bottles.
Regards,
montejay
285 posts
 
Abill,
Those Kr's of yours are from another era when Kr was reliable. How do you know that they were from the late 90's?
I am not doubting they sound great.

Regards,
montejay
285 posts
 
Thanks Abill,
I was more interested in how I can confirm when the KR tubes were made should I come across a nos pair available.They really are magic with the Franks but I have, like you, been victim of newer production reliabilty.

Regards,
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,
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