Ribbon and Planar Magnetic link page
Manufacturers/suppliers
Newform ribbons
Raven ribbons, E-Speakers has plans for some kits using the Raven ribbons developed by Orca and some developed by themselves
Hi Vi Research RT1C ribbon tweeter (they have other ribbon tweeters)
VMPS speakers
Alternate Audio PS40
Eminent Technologies ribbons
Relco Ribbon hybrid speakers (four models)
Eton AMT ER4 (in german)
Stage Accompany ribbon driver
Acculine ribbon drivers from Speaker City
Magneplanar
Piega use a planar midrange in the largest models, while their tweeters are of a special design
Bohlender Graebner, their ribbons are available through audio-X-stream), who also has a large section on measurement and DIY projects featuring ribbons. Davidson makes an interesting system based on the BG ribbons.
Hifisound (in german, info on ACR/Fostex, Philips, Strathearn and a few other ribbon drivers)
Infinity (no info on their ribbon speakers)
Genesis Technologies makes a good Infinity look-alike, don't You think?
Dulcet No. 1 hybrid is another Infinity clone
BKS Audio
RHF ribbon hybrids (in italien), review of RHF ribbon hybrids (in english)
Apogee Acoustics is sold to a/d/s, but their website contain no description. However, Apogee owners have established a user group: AudioWorld's StraightWire Forums - powered by the Ultimate Bulletin Board
General speaker links with information on ribbons and planar magnetic drivers
Andrea Ciuffoli's pageCarver Ribbons review and loudspeaker DIY links
BG ribbons/DIY and measurement pages
Singapore's unofficial Audio & Visual Technology page features introductions to a variety of loudspeaker technologies.
Developments within loudspeaker technology
Digital loudspeakers!!!ATC HSS and SFT technology
Gallo uses a special tweeter
Manger has developed a unique driver
Speaker links
One the most comprehesive sites on audio (takes a long time to load, but worth waiting for), with links to weird looking speakers! the site contains links to electrostatic speakers as well, so it complements this page