We also assess extra features, like companion apps and Uninterrupted Power Supply (UPS), which delivers seamless, continuous power during unexpected outages. Right now, the EcoFlow Delta 3 Plus is ...

Do you really need a DAC that costs between $14,000 and $18,000? Bluebird Music thinks the Jadis Vacuum Tube JS5 or JS2 SL are both worth it.

Self-taught boutique builder Charles Henry puts musicality first with his designs, winning fans including Grace Bowers and Yvette Young – but he’s only just getting started ...

Big-name tube amplifiers often don ... You can turn these kits into a pleasing headphone amp with the addition of a few choice components. As per the schematic on Github, a cheap transformer ...

Power supply design is a broad field ... in which [Vasily] will then cover the full design of the guitar amp, including a focus on the design of the power amplifier stage. We’ve seen some ...