The Apos x Community Gremlin is a compact fully balanced Class A hybrid amp that delivers impressive warmth, tube rolling flexibility, and big performance for the price.

Our favorite streaming amplifiers of 2025 for audiophiles include models from WiiM, Marantz, Ruark, Naim and Aavik. If you still think streaming amplifiers aren’t the future of high-end audio, it ...

Abstract: A watt-level traveling wave tube (TWT) amplifier operating above 0.3 THz has been demonstrated. This TWT based on the folded waveguide (FWG) slow-wave structure has achieved over 3.1 W of ...

Top tube bags, also called bento boxes, are small storage bags that are attached to, you guessed it, the top tube of your triathlon bike. They’re handy for a variety of uses. In a race, your top tube ...

Abstract: In this paper, gain is enhanced by the introduction of step taper towards the end of a folded wave-guide slow wave structure for W band traveling wave tube amplifier. The effect of mean-path ...