KEF Audio - The most important link first
LS3/5a Unofficial support site
Roger's LS3/5a brochure and other info on Mark's Pages
Some non-KEF speakers which used KEF drive units
Harbeth and the LS3/5a
John Smith's site - special interest LS3/5a
Some KEF crossover circuits
SpeakerBuilding.com
Favourite links
Wilmslow Audio
Linn History files including information about Linn Kan and Linn Isobarik
IMF Electronics Speakers
Falcon Acoustics - a wonderful resource that appears to have never ending 'layers' of historical gems of information.
Some information about Linn Kan and Linn Isobarik at Pink Fish Media
Linn Isobariks field guide includes information about Linn Kan and Linn Isobarik
Linn Isobariks FAQs
B139 in John Coulson's system
Triode Dick's Page
Carl Jones' Spendor Yahoo Group
Tech-DIY including Daline, Daline+110, Pro9-TL (Wilmslow), State of the Art Transmission Line (Atkinson), Practical Subwoofer Design.
Graham Hartle's JR149 site
BBC Brochure - information about LS range
BBC Brochure - Spendor
Both from Paul Whatton's site
Audiojumble - Great annual event for the audio enthusiast - currently held in Tonbridge, Kent, UK