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 ...

Big-name tube amplifiers often don’t come cheap. Being the preserve of dedicated audiophiles, those delicate hi-fis put their glass components on show to tell you just how pricy they really ought to ...

If you’re curious about tube amplifiers, the Massdrop x Eddie Current ZDT Jr headphone would be a great place to start. Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

At the extreme budget end of tube audio lie single-tube amplifiers usually using very cheap small-signal pentodes. They’ve appeared here before in various guises, and a fitting addition to those ...

The Linear Tube Audio MZ3 has a new challenger for the title of best headphone amplifier below $3,500. During periods of instability, consumers tend to gravitate to brands that they trust. People want ...

Can a stripped down Linear Tube Audio MZ3 deliver the same experience for only $2,100? The LTA Velo makes it debut this weekend at CAF 2023. One of my favorite pieces of hi-fi gear in the entire world ...

The new MHA200 headphone amplifier from McIntosh is designed for people who want the best source to drive their headphones. The McIntosh MHA200 is fitted with deluxe valves and has a raft of ...

The unique looking xDuoo TA-30 Tube headphone DAC Amp offers a fully SPECT modern audio conversion and tube amplifier priced at $599 offering a discount from the recommended retail price of $710 for a ...

Editor’s note: At the end of the MakerFaire in San Mateo, there is a “Bring a Hack Party “. That is where Ron Quan showed his tube headphone amplifier. Here’s quick circuit for driving high fidelity ...

Last year, Gear Patrol contributing staff writer Eric Adams reviewed the Monoprice Stereo Hybrid Tube Amp that comes bundled two 50-watt speakers and 10-foot cables. His conclusion: “I had to keep ...