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In Reply to: RE: Single stage DHT headphone amp posted by hvbias on August 24, 2014 at 12:28:00:
I said that? OK. Probably a case of not quite enough voltage. (I am dsavitsk -- not sure why I have a different name here, but I think it had to do with a lost password or something.)
71a is fine, but nice examples that are both electrically and physically matched are hard to find. I am not one who thinks DHTs offer something unattainable in other technologies, however. In the end that amp got disassembled. If I were to do it again (and I may as I have all the parts sitting around to do so) I'd use an input buffer and a stepup transformer for gain (1674, 1544, etc.) to drive the tube. It always seemed like it needed a little bit more of a push than my source could give.
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Follow Ups
- RE: Single stage DHT headphone amp - drsx 19:23:35 08/24/14 (1)
- RE: Single stage DHT headphone amp - hvbias 12:24:50 08/25/14 (0)