There are few greater follies in the world of electronics than that of an electronic engineering student who has just discovered the world of hi-fi audio. I was once that electronic engineering ...

Raspberry Pi gets an analogue audio amplifier for driving stereo headphones. The 503HTA, Hybrid Tube AMP/DAC is a small Hat size raspberry pi add-on developed by Pi 2 Design. It connects to the PI I2S ...

US ex-pat Ken enjoys overgrown boys' toys such as valve audio equipment, LPs, cameras, mechanical watches and fountain pens. He has written four books on luxury hi-fi and collects chronographs. US ...