The SELECT 12AU7 joins the Ray Tubes SELECT Collection lineup. Vacuum tube company expands line-up with new-production 12AU7 tubes in both its CORE and SELECT Collections Audiophiles sometimes ...

Whilst not inexpensive, the Apos Ray 12AU7 Vacuum Tubes offer excellent sound quality, superior packaging and matching, and a 90-day warranty. Whilst it may seem like a strange time to be jumping into ...

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 ...

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 ...

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 ...

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 ...

Vacuum tube amplifiers just won’t go away. I am speaking more of audio vacuum tube amps than I am of microwave amps like magnetrons, klystrons, TWTs and the like. Most other audio gear is solid state ...