KEF - In the 1970s, KEF continued to develop technical expertise with the implementation of computers in loudspeaker design and measurement. The B200 class of bass drivers with an 8-inch doped bextrene
Sold at Auction: Pair of vintage classic Kef Concerto speakers and stands, model SP 1004. Made in the UK, circa 1970s. Dimensions not including stands 71.5 cm high, 43.5 cm wide, 29.5 cm deep.
![Please help me ID these vintage KEF speakers I found on the kerb. I think they may be Crestas, however the images I've seen don't grills that are flush with the case Please help me ID these vintage KEF speakers I found on the kerb. I think they may be Crestas, however the images I've seen don't grills that are flush with the case](https://i.redd.it/noxyruts6lm91.jpg)