RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
GEC U52 Valves/Tubes 1950s brown base GEC u52 rectifier, d getter black plates i bought this as a replacement for my stereo 20 valve amp , and I must say that it is the best tube I have heard in that position! It hands down beats the metal base gz34 and f31 fat base, but it should not really see that size of a first cap, it probably wouldn’t bother it in reality as I have used a gz37 for 10 years in a leak 20 but I’m building a pair of monos and need two different tubes so this can be sold if you have a use for this tube it doesn’t get any better Condition: Good Payment Method: Cash / eft Reg
Generating expert take…
GEC, the General Electric Company, traces its origins to 1886 in London, when German-Jewish immigrant Gustav Binswanger (later Byng) established an electrical goods wholesaler that evolved into the General Electric Apparatus Company. Joined by Hugo Hirst, the firm incorporated as a private limited company in 1889 and rapidly expanded, opening its landmark Witton Works factory near Birmingham in 1902. By the early 20th century, GEC had become a cornerstone of Britain's electrical industry, supplying everything from lamps and meters to wartime radios and searchlights, cementing its heritage as a pioneering industrial giant.
In audio and hi-fi, GEC focused on consumer electronics like radios under the Gecophone brand from 1922, later simplified to G.E.C. in 1930, and innovative metal cone loudspeakers introduced in the early 1950s. These alloy cone drivers represented cutting-edge technology, outperforming contemporaries in musical reproduction. The company also produced valve table receivers, such as the 1959 BC402 model, alongside broader electronics like televisions, though hi-fi components formed a niche within its vast portfolio.
Today, GEC holds a vintage-collector position in the hi-fi market, revered by enthusiasts for its mid-20th-century speakers and radios rather than modern high-end or mid-tier production. No longer active in contemporary audio manufacturing, its legacy appeals to niche buyers seeking rare, historically advanced pieces that capture Britain's postwar audio innovation.
See all GEC listings on RADAR.
