Feliks Audio is one of the few boutique brands from Poland making serious noise in the Head-Fi scene. They specialize in ...

My main tube preamp and amp are rated at 0.08% and 0.5% respectively, and I can’t hear any more distortion with them versus my main solid state setup rated at 0.005% per component.

For those who are interested in Schiit’s all-out tube headphone amp, Folkvangr uses a total of 10 tubes–two matched 6N1Ps for input and voltage gain, and eight 6N6Ps for output. Eight separate DC ...

If you love that tube amp sound, check out Audio-Technica’s valve headphone amp $6,000 amp offers huge range of 120Ω, 82Ω, 33Ω and 0.1Ω outputs for true audiophiles.

If you want to hear how good your headphones can sound, try plugging them into Schiit Audio's Valhalla vacuum tube headphone amplifier. Ex-movie theater projectionist Steve Guttenberg has also ...

Integrated into the design of the headphone amp are two tubes: a thick-sounding 5Z3P used for high-voltage rectification, and a precise-sounding ECC82 tube used to process the audio.

In an age when headphones reign supreme, you might be thinking it’s a good idea to get a dedicated headphone amp, and you may well be right. Here's why.

This amp design uses a plate voltage of 12, although the 12AU7 can handle up to about 330. Since the 12AU7 is of the Twin Triode variety, one tube can be used to amplify both a left and right ...

My Vacuum Tube Headphone Amp Project. Curt rummages in his discard stash and finds he can build something interesting. By Curt Yengst. Published: September 12, ... owing to its nearly 60 dB of gain.

If you're looking for some genuine diamonds among the Prime Day deals, Astell&Kern has just the thing for the discerning ...