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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Recommendations for Tube Amp posted by drummerwill on March 17, 2012 at 14:09:14:
I completely agree with Willie here. I'm a musician and listen to classical, jazz and small groups. Detail is very important, but equally important is timbre - I'm sure the OP will agree.
I only use DHTs in my system - have been building with them for years now. This means not just the output stages - 300b, 2a3 etc - but the input and driver stage. As for push pull or single ended, I'm OK with either. the most important is to use DHTs right through the amplification chain.
What's the difference between DHTs and indirectly heated tubes? Well, what I hear is more delicacy and a see-through clarity that I don't get otherwise. With indirectly heated tubes I hear a subtle haze and thickness to the sound.
Can you get an all-DHT system in a shop? I doubt it. It's something that has to be specially built - by somebody else if you are not a builder yourself. I build small numbers for myself but not commercially, but I'm in the UK. You'll find builders on the DIY tube asylum and if you want to go down that road you could post for somebody to build for you.
You would be looking at 3 stages. The first would probably be with a 26 tube - there's a huge thread over on DIY Audio called "26 pre amp" which tells you exactly how to do the preamp stage. You then need two stages in the amp - 2a3 or 300b outputs for 8 watts or more, and then a driver like 46, 6B4G, 2a3, 71A, 10Y and so on. Designs would be very like Lynn Olsen's over on http://www.nutshellhifi.com/.
You won't find many people telling you to go down this road, but it's sufficiently important to me as a musician that I can't live with anything else.
Andy
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- RE: Recommendations for Tube Amp - andy evans 16:30:51 03/18/12 (0)
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