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In Reply to: RE: My headphone system upgrade results ... so far posted by Feanor on August 08, 2019 at 12:49:49
Feanor -
Have you considered an OTL tube headphone amp? I can recommend the Crack kit by Bottlehead.
"'Cause when love is gone, there's always justice./And when justice is gone, there's always force./And when force is gone, there's always Mom. Hi Mom!" Laurie Anderson, "O Superman (For Massenet)"
Follow Ups:
The Crack amp is heaven on my HD800. At $315 for an easy two-evening kit, it's a steal. (NOTE: it's on sale for $215 through August 15th.) It is for high-impedance headphones only. There is plenty of room to add a Corda crossfeed circuit, or your favorite audiophile caps. It's a SET/OTL design built around the 6080 (5998, 421A) dual triode. Excellent customer support from the Bottlehead people, as well as their very active forums. The optional constant-current p/s upgrade is very worthwhile, but requires precision soldering.
The Crack + Senns is the best sound I've ever had.
WW
"I'd crawl over twenty miles of bad country to listen to you pee in a tin cup on the telephone." (Jo Carol Pierce)
That was a fun kit to build. The bottlehead kits are well-engineered & very well-documented.
"'Cause when love is gone, there's always justice./And when justice is gone, there's always force./And when force is gone, there's always Mom. Hi Mom!" Laurie Anderson, "O Superman (For Massenet)"
I'm thinking I don't want a tube amp. Also, re. Bottlehead, I'm thinking I don't want a kit; I've had mixed luck getting kits assembled and working.
I love the music of Dmitri Shostakovich ...
Edits: 08/08/19
I would consider a stepped attenuator for gain control, if possible. I've used a Goldpoint, and I'm seriously considering retrofitting my Stax amp with one.
"'Cause when love is gone, there's always justice./And when justice is gone, there's always force./And when force is gone, there's always Mom. Hi Mom!" Laurie Anderson, "O Superman (For Massenet)"
Edits: 08/08/19
My Burson HA-160 amp has a stepped attenuator. It's truly an annoyance because the steps are large enough that the sound is either too loud or too soft for what I want. Too bad, because all of my headphones sound great with it (Focal Clear, Senn HD600, Hifiman HE-400i).
I can see the problem. That's why I'm seriously considering a 47-step Goldpoint. One can also preattenuate.
"'Cause when love is gone, there's always justice./And when justice is gone, there's always force./And when force is gone, there's always Mom. Hi Mom!" Laurie Anderson, "O Superman (For Massenet)"
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