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In Reply to: RE: Tube amp recommendations for Stax SR-L300 headphones. posted by mg16 on March 18, 2021 at 10:50:49
Check with Bottlehead, but the Crack amp might be good. It's a single-ended, output transformer-less amp for high-impedance headphones built around the 6080 dual triode. On my Senn 800's, it's heaven. And it's cheap: $315 or $430 with the optional "Speedball" constant-current power supply. It's a kit - an easy build, though the Speedball requires some precision soldering skills. Bottlehead, as a company, and especially through the very active forums on its site, provides outstanding support. There is plenty of room inside to substitute your latest-and-greatest capacitors, a stepped-resistive-ladder volume control, and/or an extra board with a Corda crossfeed circuit.
WW
"They got a handful of gimme and a mouthful of much obliged." Alberta Hunter
Follow Ups:
He also needs 580 volts to polarize his stats...
Not a kit, but still...
That's gorgeous. It's also a great price, knowing Bottlehead quality. (I've built two of their kits.)I've been using an old SRM energizer for two years, and it's time for an upgrade. I've considered the newer SRM-353X for my SR-507 earspeakers, but I like tubes. I must throw this one in the ring.
"'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: 04/29/21
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