Sinclair Radionics News Today : Breaking News, Live Updates & Top Stories | Vimarsana

It takes a while for audio-related technologies to mature. Tubed amplifiers were invented by Lee de Forest in the nineteen-teens, but while there are still some adherents of early high-distortion triode designs, the age of mainstream high-fidelity amplification dawned with higher-power/lower-distortion amplifiers developed by Williamson and McIntosh followed by the Ultralinear take on the Williamson concept. That was 30+ years down the technology-evolution timeline after de Forest.

The creator of the Sinclair ZX Spectrum and C5 electric tricycle, who revolutionised the British electronics industry, died on September 16 last year aged 81.

The creator of the Sinclair ZX Spectrum and C5 electric tricycle, who revolutionised the British electronics industry, died on September 16 last year aged 81.

Last month, I described the invention of transistor technology and some of the early techniques used which were not well suited to mass production or high performance. This article continues where that one left off, covering the rapid progress in the 20 or so years between the first commercial transistor production and the development of manufacturing techniques that are still in use today. by Ian Batty

The game changer Philip Oliver still remembers the day in 1981 when his world changed. He and his twin brother, Andrew, were 13 when their older brother arrived at their home in Trowbridge, Wiltshire, with a brand-new Sinclair ZX81. “It was like he’d arrived with a portal into a different world,” remembers Philip, who was fascinated at the […]