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Just in case you find navigating his website a tremendous pain in the ass, as I do. But he does have some great info!
Just in case you find navigating his website a tremendous pain in the ass, as I do. But he does have some great info!
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Thanks all! Charliee, I use Andy at Vintage Tube Services, as I feel that he is the "go to guy" for all things tubes. I usually speak to him over the phone, so I hadn't been to his website since I switched to a high speed cable modem. Loading with my previous molasses slow modem speed and ancient computer, it could take awhile to download. Yeah, there's some good stuff there. Here's a link, so others can see why those want tubes go to Andy: http://www.vintagetubeservices.com/ |
Fatparrot, You can also go over to vintagetubservices.com and make your way to the stock list page, then click on octal tubes. If you read your way down thru the selections and brands, you will also get a minor description and history of the differant types. A proper answer to your question would require a short term paper on 6SN7's as it would cover the history, require-ments, uses, tooling changes, etc... thru the years. But Andy puts in some helpfull, and interesting tidbits in the price list that may help you out. |
I really like the Sylvania VT-231s as well. I don't know anything about the differences between the metal base or chrome dome versions though. One tube I've really enjoyed the last few years is the black glass Ken-Rad VT-231. Many of the same attributes as the Sylvania, big soundstage and great extension, but the Ken-Rad sounds more organic to me and that was something I was looking for in my system. Thanks for the pointer Nutella! |
Gunbei, I was more interested in the designation of GT, GTA, GTB, W, and VT-231, and what they actually mean. I am pretty happy with the voicing of the Sylvania VT-231's in my system. What have been your experiences rolling the various 6SN7's? Why does everyone seem to rave about the Sylvania metal bases or the Sylvania "chrome domes"? |
Fatparrot, I was waiting for more experienced users of the tube to chime in first, but since no one has yet, I'll post. Did you want to know what the actual GT, GTA, GTB, W, VT-231 designations mean or were you more interested in their sonic characteristics? I've been rolling different 6SN7s in my Blue Circle preamp for over three years. I don't actually know what any of the suffixes stand for, but I have learned some of the tonal differences and which ones I like more than others. I've found that the different manufacturings such as Sylvania, RCA, Raytheon, Ken-Rad, Tung-Sol, etc... all have their own distinct flavors as well. |