THE DEVELOPMENT OF RADIO: ‘Dit, Dit, Dit’ to DAB
On the 12th December 1901 a kite was flown above a hill in Newfoundland, and from it was hung an antenna wire about 200 metres long. This equipment was then able to receive a signal which was detected as the sound of three clicks – ‘dit, dit, [...]

Being reminded once again of the Decca ‘magic’ – the Decca Mk. VI cartridge revisited.
Having been granted a special exeat from the Alan Dowker Blumlein retirement home for distinguished audio components, the Decca cartridge was allowed out for good behaviour. I was interested in re-visiting the Decca design and the following notes and observations apply to [...]

RADFORD ELECTRONICS

Researched by Chris Bennett & Barry D. Hunt with Photos and images provided by Paul Spendorman.

Arthur H. Radford started Radford Electronics in 1946, immediately displaying an innate understanding of the design and implementation of transformers. The original amplifiers were intended to be used in professional applications such as PA systems but soon afterwards [...]

A Short History of Early Ortofon Pick-Up Cartridges
Research by Barry.D.Hunt
History
The Ortofon company started life as ‘Fonofilm A/S’, founded in 1918 in Copenhagen by Arnold Poulson and Axel Peterson [1], initially manufacturing equipment for the film industry. There were many groups around the world, noteably in America and Europe, all working on the development of sound-on-film. [...]

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Its hard to imagine a time when both FM broadcasting and Stereo radio did not exist (and as the proposed analogue switch off is breathing down FMs neck this may be the case again), but back in the 1950’s that was the case. Many audio and radio enthusiasts waited for the first FM radio broadcasts, [...]