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Posts by Mechans1

I am partial to Sylvania 6SN7s in general but own ECC32s33s and even a single B65. The other Englich tubes of note are CV 1988s made by Brimar which come in black and gray glass if you like that. I really like them but fear the market is"now flooded with counterfeits, thus in this case I recommend you buy decent used tubes. The Sylvania I think you should consider beside the Ws which are superb, are the late 40s and 50s bottom getter GTs. Only buy really clean tubes...
If you are bent on getting real Shuguang they imported by Grant Fidelity, based in Canada, but sell to USA direct. I was too lazy to see if they are still around. I have been no personal experience with the CV-181s but a very good friend whose opinion I trust, sold them shortly after they were conditioned, or as it is said burnt in.
In reference to the Hytron variatIons. My experience is that the Hytron Hytron original and the CBS Hytron are about the same in sound. These are the tubes with the high mounted plates, (sorry no pic to insert). You can find examples all over. Indeed the CBS tubes dreived from there regardless of whichever narrative you choose sound different. I would cautio reading too much into apparent plate structure. They are good at identifying tube varieties but don't always...
I am confused or being foolish answering this. You have diagnosed your problem.You have a circuit issue with weak tubes. The 10M were made as long life 10,000 hour tubes. I have seen my share of old Mullards, they can be very good sounding despite their low output. The sound most want with a Mullard is mellow even rolled off to a greater or lesser degree. The legendary long plate 1950s 12AX7 Blackburn is almost invariably a very used tube, when you see them these...
I reread the ad for the GEC 188s. I am always curious when something is vanishingly "rare". One would think that you would have seen or at least heard of a tube. MOV GEC tubes had thejr own numbering system. Does this tube have such a numerical designation. I'm sure there's a lot of wishful thinking going on where there is another supertube just out of view, however.... Fortunately, I think that new production tubes are getting better and better and will make some...
You might see/hear the JAN WGTA as fast and clean The tube you may find that best meets your criteria is the Sylvania GTB , I would not ignore these. The RCAs really need to be the grey glass not graphite nor the billions of clear glass examples. There is a special 5692 red base you might like but they are usally royally expensive.
I am using this in case you never found the synergy you sought. For about 6 or 7 years I couldn't get a pair of Focal Electras a hich retailed for 6 kil0 bucks to sound the way I wanted. It took Cardas gold reference ICs Jena speaker cables an AE 3 ,Cary preamp with Sylvania Ws and the final pieces were tube monobloc amps.Try using Cardas cabling but make sure its the gold reference type, not the newer cleaner detailed stuff. Moon Audio may have something. NO...
Yes the aforementioned grey glass RCAs if you can get them at that price, are often described as lush, whatever that sounds like. More commonly at that price Sylvania GTBs, green lettering if possible which I find sound full rich and mellow. Trailing but really not as bad as one might think for their price Re GE GTBs, you might wan t to give them a shot.I don't know anything about GEC B36s and have but a few examples of their rarified 6SN7 cousins.
The GEC tubes shown look a lot like Mullards with pretty blue stickers on them. I would not be surprised if they were not even Mullards, my eyes are not that good with photos and I would need a loupe to look them over in person, to best ID them. The bottle looks wrong, but I often find photos don't show that the correct details are actually there.
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