Triode Corporation TRV-35SE: 45 watt push-pull EL34 tube integrated amplifier. Simply put: Sonic Nirvana. Just set it up with my Marantz TT15S1 turntable with Simaudio Moon preamp, Marantz SA8004 SACD player, and a Sonos ZP90. My ass will never leave the couch!
Line Magnetic amplifier
STAX best headphones I've heard
218ia is a 22 Watt Integrated Amp using 845 tubes. Very inefficient, but very reliable.
Kondo Ongaku power amplifier
Schiit Audio, Headphone amps and DACs made in USA.