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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: Who Built the Sophia 300B Meshplate?

Mr Pig, hi. Sophia tubes are made by TJ. You can take the factory tour on the DIY HIFI site thanks to Mr Cherry. TJ is an interesting company which is private and not state run as is Shuguang. I hope the owner/operator trains up some people to follow in his footsteps as he is quite along in years. He has a 570 characteristic curve tube tracer to enable him to closely match performance curves as a new tube is developed. Sad to hear the JJ were not pleasing to you in the DRD. I have found the JJ 300B to be stellar performers both from sonic and electrical standpoint. I hope to try their 2A3 in the near future.


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  • RE: Who Built the Sophia 300B Meshplate? - elektron 05/31/0710:46:28 05/31/07 (0)

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