BBC LS3/5a Parts
LS3/5a crossovers, hard-to-find LS3/5a parts, many made exclusively for Falcon, are all available here.LS3/5A Repair and Upgrade services are available here.
Falcon Acoustics has had a long association with the LS3/5a, starting with the earliest days of development when Malcolm Jones was at KEF and involved with testing the original BBC prototypes, through into the 1980’s when Falcon applied for an LS3/5a licence from the BBC, and made LS3/5a crossovers for Goodmans and RAM.
It continues now with The Falcon Acoustics Gold Badge BBC-Licenced LS3/5a, widely held to be the best production LS3/5a ever made.
A Youtube video lecture on the History of The LS3/5a is available here.
Falcon’s famous Q7 kit system closely follows the LS3/5a design, and Falcon LS3/5a parts and crossovers are used all over the world.
Authentic LS3/5a Drive Units & Components
Restoring or building a pair of LS3/5a monitors requires precision-matched components that adhere strictly to the original BBC specifications. We provide the only genuine, UK-made replacements designed to provide the exact sonic signature of the originals.
Falcon B110 & T27 Drive Units: Our drive units are faithful recreations of the original KEF SP1003 and SP1032 designs. Using original materials and modern production tolerances, these are the only choice for maintaining the integrity of your vintage Rogers, Chartwell, or Falcon monitors.
BBC-Specification Crossovers: We offer a range of crossovers, including the classic 15-ohm FL6/23 transformer crossovers and the renowned Gold Badge upgrades. Every crossover is hand-assembled to ensure perfect channel matching.
Cabinet Kits & Parts: From CNC-precision Baltic Birch ply cabinets to Tygan grilles and felt tweeter squares, we provide everything needed to bring a pair of "Mini-Monitors" back to life or to build the acclaimed Falcon Q7 kit.
Why Choose Falcon for Your LS3/5a Project?
The LS3/5a is a sensitive design where even the smallest deviation in component value or material can alter the legendary "BBC sound." Falcon Acoustics is the only manufacturer that produces the original drive units in-house in the UK, ensuring that every B110 and T27 we ship is a perfect match for the original 1970s blueprints.
Whether you are performing a delicate repair on a pair of vintage 15-ohm monitors or looking to upgrade to the latest Gold Badge technology, our technical expertise and deep archival knowledge ensure your speakers will perform exactly as the BBC intended.
