Clipped and Shorn Posted May 20, 2008 Share Posted May 20, 2008 After many years I did seem to go through a quad of Mullards in my ClassA Triode ST70 mod. The amp is used to run horn and tweeter in the tri-amp. Hate to use or use up any more high priced Mullards. Who makes good ones today at reasonable prices that might favor the higher hzs? C&S Quote Link to comment Share on other sites More sharing options...
Guest " " Posted May 20, 2008 Share Posted May 20, 2008 jj KT-77's Quote Link to comment Share on other sites More sharing options...
oldbuckster Posted May 21, 2008 Share Posted May 21, 2008 ................. www.tubedepot.com ................ Quote Link to comment Share on other sites More sharing options...
Clipped and Shorn Posted May 21, 2008 Author Share Posted May 21, 2008 OK, I see they even have the JJs in blue glass. cool. c7s Quote Link to comment Share on other sites More sharing options...
mike stehr Posted May 21, 2008 Share Posted May 21, 2008 What's the track record for the JJ KT-77? How robust and reliable are they? Anyone been running the JJ/Tesla KT-77 for a considerable amount of time in a amp, and still have them test strong? I was thinking of buying EH EL-34, they seem to do be a reliable tube, I guess. Quote Link to comment Share on other sites More sharing options...
fini Posted May 21, 2008 Share Posted May 21, 2008 After many years I did seem to go through a quad of Mullards in my ClassA Triode ST70 mod. The amp is used to run horn and tweeter in the tri-amp. Hate to use or use up any more high priced Mullards. Who makes good ones today at reasonable prices that might favor the higher hzs? C&S You know, you should re-tell the story of that amp, and its lead up, including the part about the dustpan amp. I still tell that one to the kids at bedtime, but I'm sure I've forgotten some of the details. While you write, I'm going to gather up some blankies, graham crackers and half pints of milk... Quote Link to comment Share on other sites More sharing options...
kaiser SET say Posted May 21, 2008 Share Posted May 21, 2008 After many years I did seem to go through a quad of Mullards in my ClassA Triode ST70 mod. The amp is used to run horn and tweeter in the tri-amp. Hate to use or use up any more high priced Mullards. Who makes good ones today at reasonable prices that might favor the higher hzs? C&S You know, you should re-tell the story of that amp, and its lead up, including the part about the dustpan amp. I still tell that one to the kids at bedtime, but I'm sure I've forgotten some of the details. While you write, I'm going to gather up some blankies, graham crackers and half pints of milk... Yeah, I was with you until those half pints were milk[] LOL Quote Link to comment Share on other sites More sharing options...
fini Posted May 21, 2008 Share Posted May 21, 2008 Hey Tim, for the good stuff, HALF pints just don't cut it...And I KNOW you'd agree... Quote Link to comment Share on other sites More sharing options...
Bill Cain Posted May 21, 2008 Share Posted May 21, 2008 Are KT-88's an option? I haven't fiddled with tubes in about 40 years, so I'm running on OLD memories. In some applications, they were good as an upgrade to EL-34's. Quote Link to comment Share on other sites More sharing options...
Marvel Posted May 21, 2008 Share Posted May 21, 2008 I was thinking of buying EH EL-34, they seem to do be a reliable tube, I guess. I have some EH 2A3s in my Moondogs, and have been really happy with them. I currently have some SED EL34s in my ST-70, and have run them a while. Seems to be a stronger mid compared to how my Moondogs sound, but there is a huge difference in the topology and price between the Moondogs and my rebuilt Dynaco. The Dynaco has mostly been replaced. My driver board for the Dynaco uses three 6922 tubes, which are currently by EH. Mark Deneen had recommended the EH 6922 for the Blueberry, as a good tube. Slightly noisy compared to the Philips, but not nearly as problematic for me. I thought I would try them in the Dynaco and they are pretty good, especially for the money. Quote Link to comment Share on other sites More sharing options...
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