Advances in tube circuit design in the last 30 years are almost non-existent; after all the SE triodes date from the '30s. So every competent technician can copy an old design, use high quality modern parts and come out with a decent tube amp. Many of the minor manufacturers are doing just that. The only difficult part of the design are output transformers, and the good ones are terribly expensive. So you can really do a fine DIY tube amp, if you do not electrocute yourself with the high voltages ;-) Making a great tube amp though, is extremely difficult.
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I don't think the members that started this thread are still around. I'm actually very surprised that this thread was allowed to be revived. This may be the oldest thread revived to date. To Tubesamp's question. I would say check diyaudio forum for more details on this. There are too many options available. Here is an example I found of a DIY SET amp that uses 6C33C tubes. http://www.youtube.com/watch?v=ZxbsMmPelrU |
In year 2000, I had cutom built an Amp from Cary Audio , with all possible upgrades and features , as well as features like , dual speed cooling fan , soft start cuircut , volume pot , headphones jack , triode ultrlinear switch, etc . Last year I sent it for service to Cary , and had many parts replaced and upgraded. The amp has been giving me great service all these years . I believe it gives sound for which I would otherwise need to spend many times more . |
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