Fidelity Radio Ltd., head office in Blechynden Street, North Kensington, London.
They are using "Tufnol", a shellac impregnated fibre material made by "Ellison Insulations Ltd.", Perry Bar, Birmingham.
First radio was model 2546 "Caravan Set" (nickname).
They made turntables and tape recorders (Argyll Major and Minor, Playmatic, Playmaster and Braemar), and cheap portable TV sets.
In business from 1947 until the mid-1990s when "Fidelity Radio Ltd." became "Amstrad Fidelity".