No transformer or capacitors interrupt the audio signal path — it’s pure tube power. According to the brand, this “extremely uncommon topology is usually reserved only for cost-no-object designs.” The ...

The best tech products announced this week include LG's affordable 4K TVs and Audioengine's standout desktop speakers.

In praise of Cockfosters Tube station. "Excuse me sir ... one junction from the A1 — and let the Piccadilly line do the rest. It worked a charm. Cockfosters had no parking restrictions, in ...

Abstract: MODERN magnetic amplifier circuitry makes use of two highly nonlinear elements, namely, rectifiers and square-loop magnetic cores. This paper presents a systematic method of analyzing ...

Jubilee line and Metropolitan lines severely delayed by overrunning engineering works. Metropolitan line suspended between Harrow-on-the-Hill and Aldgate.