[Rogers Gomez] has posted up this hybrid tube based headphone amplifier over at DIY Audio. Being a fan of tube amplifiers, but wanting something with lower voltage and lower cost, he put together ...

At 59 years old, he finally put together his own stereo tube amplifier and we have to admit it definitely has an awesome look. The platform is built around the well-known 6V6 beam-power ...

Integrated tube amp promises a warmer, more inviting sound Hybrid ANC, LDAC and USB-C for higher-res audio $799 (about £652 / AU$1,303) We've seen small vacuum tubes in headphone amps with the ...

Karma-AV is to distribute Unison Research’s high-performance valve-based Hi-Fi separates in the UK and Ireland. The Italian manufacturer’s line-up includes Class A pre/power and phono amplification ...

An audio amplifier that uses both tubes and transistors. The tube circuits drive the MOSFET transistors at the output stage because transistors can generate more power with less heat and ...