Falcon Acoustics recreates BBC Kingswood Warren’ LS3/5A prototype as limited edition

posted on Friday, 8th February 2019 by Steve May

Design  Loudspeakers  Broadcast 

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Falcon Acoustics has produced a hand-made re-creation of the BBC’s first LS3/5A prototype design, first conceived in 1976, two years before the first commercial production.

Named after the BBC Kingswood Warren Technical Research Department, home to the original LS3/5A, Falcon’s ‘Kingswood Warren’ Limited Edition is said to represent the closest possible replication of the BBC’s final prototyped specification.

The cabinets are made of specially selected and graded 9mm Baltic Ply, critically damped, with screw backs and finished in Teak veneer. They are built to look, perform and sound exactly as they would have done in 1974. Falcon used the original BBC LS3/5A cabinets Nos 3 and 4, along with hand-written notes from BBC engineering staff, to guide production.

For the original crossover, the BBC created transformer-style inductors, using a size of radio-metal lamination that is no longer available and with a clamping system. Falcon’s founder Malcolm Jones, had enough material to replicate these key components for the 50 pair production.

The original BBC specification calls for capacitors using a Polycarbonate dielectric film, the production of which ended almost twenty years ago. After three years of searching, Falcon discovered a limited supply of the film, and commissioned Falcon Polycarbonate capacitors to re-create exactly the BBC crossover from 1972/74.

The drive units have been recreated by Falcon founder Malcolm Jones who, as Chief Design Engineer at KEF in the Sixties, designed the originals.

The speakers come with rose-gold plated terminals and badges, and an antique-leather style folding front presentation case. Falcon Acoustics says it will present a pair of ‘Kingswood Warren’ Limited Edition LS3/5As to the BBC.

Only 50 pairs will ever be available. They are priced at £6,495 a pair. To hear these for yourself, head to the Bristol Hi Fi Show (February 22-24).

Steve May

Inside CI Editor Steve May is a freelance technology journalist, who also writes for T3, TechRadar, Home Cinema Choice and ERT (amongst others).

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