ITOK Media Limited’s innovative Hi-Fi brand “Trends Audio” launched its new innovative Hi-Fi product – Trends PA-10 GE Tube Headphone/Pre Amplifier. It is a hybrid design utilizing a single 12AU7 ...

The project is known as NP-100v12 which refers to a simple headphone amplifier built around the 12AU7 vacuum tube. The 12AU7 is also known as ECC82 in Europe that is popular in the audio world since ...

We have no intention of wading into the vacuum tube versus silicon debates audiophiles seem to thrive on. But we know a quality build when we see it, and this gorgeous tube preamp certainly looks like ...

This one is a superior class AB push-pull configuration tube amplifier project delivering 80 Watt RMS per channel. Four 6550 high power tetrode vacuum tubes in triode mode and class AB2 push-pull ...