Falcon Acoustics LS3/5a
The Falcon Acoustics Classic 15 ohm LS3/5a, fully Licenced by the BBC, and hand-assembled by Falcon in Oxford England.
It is the only LS3/5a in production that faithfully replicates the original BBC design published in October 1976.
The result of nearly 2 years development, the Falcon Acoustics LS3/5a is a true British-made classic 15 ohm LS3/5a.
It continues the long tradition of the genuine British BBC-Licenced LS3/5a stretching back to the 1960’s.
The drive units are the renowned Falcon B110, and the Falcon T27 tweeter, both designed by Malcolm Jones, the original designer of the KEF B110 and KEF T27 that were specified in the original 15 ohm LS3/5a version designed by the BBC.
Both drive units are handmade in the UK to ensure the highest quality, grading and consistency, and are identical to the original LS3/5a drive units. They are unique to Falcon.
The matched 15 ohm BBC Specification FL6/23 filter networks are made exclusively by Falcon in the original transformer-style to BBC Specification and contain inductors specially made in Britain for Falcon to the original specification.
The cabinets are hand made from specially selected graded Baltic Ply, and use selected grade Beech fillets.
They are British made to BBC Specification, and are available in a variety of natural wood veneers (see below for pictures of current veneers) with a Tygan Cloth front grille.
Falcon Acoustics LS3/5a’s are sold in matched pairs only, and are supplied with an Instruction Manual, Individually Numbered Certificate of Authenticity and come with a 5 year Guarantee.
SPECIFICATIONS Falcon Acoustics LS3/5a
- System type: Two-way infinite baffle (sealed box)
- Frequency response: 70Hz – 20kHz ± 3dB
- Sensitivity: 83dB for 2.83V @ 1m
- Nominal impedance: 15 ohm
- Bass/Midrange driver: 138mm Falcon Acoustics B110 – Graded and Computer Matched
- Tweeter: 19mm Falcon Acoustics T27 – Graded and Computer Matched
- Crossover: Falcon Acoustics FL6/23 (BBC Design) Graded and pair matched components throughout
- Crossover frequency: 3kHz
- Cabinet: Selected grade Baltic Birch Ply, Beech battens, internally damped
- Finishes: Cherry, Walnut, Rosewood, Burr Walnut, Yew natural wood veneers
- Dimensions: 305mm H x 190mm W x 165mm D.
- Weight: 5.35 kgs each
Falcon was founded in 1972 as Falcon Electronics by the first employee (1961) at KEF Electronics Ltd., Malcolm Jones. As Senior Development Engineer Malcolm did most of the design and development of the legendary KEF drive units - the B139, B200, B110, T15, T27 and the systems in which they were incorporated. He left KEF in 1974 having just completed the famous Reference Series 104 system and work on an active professional monitor to work full time at Falcon Acoustics Ltd.
Although initially formed to supply the retail DIY market with a range of components and items needed for building a speaker system, the main advance was the production of Self-bonded Ferrite Cored Inductors to customers requirements. This technical break-through and a comprehensive range of capacitors made it possible for the first time for designers outside the main companies to design systems using units from differing manufacturers. This led to a spate of Hi-Fi Magazine speaker designs in the 70's (available as reference documents in the Falcon Archive).
One of the most popular systems to be designed by Falcon was the Tabor, which was supplied as a kit in many countries and made as commercial systems by 3 companies - with minor modifications. Many thousands were supplied over the years. Falcon also took over Nightingale Acoustics in 1978 and whilst keeping production of the NM1 for a while, brought out a new range:- NM3, NM pt.5, Llyric and Enigma. These went on to be produced as MkII models.
During the 1980’s and 1990’s Falcon wound hundreds of thousands of inductors each year for UK and International customers. Many of Europe's well known speaker systems used Falcon Inductors. At one time over 2/3rds of UK manufacturers used Falcon inductors.
The DIY retail/mail-order side supplied and continues to supply almost everything needed to build a range of high quality loudspeaker.
Falcon was started as a small family business with Valerie and Malcolm Jones as directors. Starting like many on a kitchen table, it moved from Bexhill in Sussex to Mulbarton in 1976, although Falcon’s retail shop was still kept going until Wilf Harms (Falcon’s manager there) retired in 1980. Falcon moved again in 2003 to Acle, a small town halfway between Norwich and Gt. Yarmouth.
Valerie became very ill after retiring in 2006 and sadly died on 1st June 2008. After trading as Falcon Acoustics for some time Malcolm finally fully retired in 2009 and transferred Falcon to Jerry Bloomfield near Oxford.
Since then Falcon has expanded, and become well known not only for it's continuing service to OEM and DIY customers, but also as the manufacturer of internatiuonally renowned loudspeaker systems which are sold through an extensive Distribution and Dealer network.
We’re delighted to report to his many friends in the business that Malcolm carries on his long association with Falcon as Technical Consultant
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