The K-502 tube amplifier kit was designed as a piece of pine that can be mounted on an amplifier although it would be more suitable to put it in a box. The K-502 tube amplifier kit was designed as a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Half a century ago, vacuum tubes were very common in audio ...

Looking for a classic vintage power amplifier? The Dynaco ST 70 needs to be on your radar if you crave that classic EL34 tube sound. Not all vintage buys are wins. I hate to burst that bubble with ...

Japanese designer Koichi Futatsumata, founder of Case-Real studio, has designed a vacuum tube amplifier for electronics manufacturer Elekit. Elekit traditionally manufacture affordable, high-end audio ...

Smooth treble and warm midrange. Good bass output for power rating. Solid build quality, heavy. At maximum output, sound is still tolerable. All of the sonic advantages of tubes. AV123 is of a new ...