|
|
|
AUDIO DAC PAGE http://members.chello.nl/~m.heijligers/DAChtml/dactop.htm Present a DAC design by a group of enthusiasts. 4 layer boards available (I think subject to sufficient orders). Well worth checking out. DUNCAN AMPS http://www.duncanamps.com/ Mostly guitar related. Creator of SPICE tube models used in MCap. Some software downloads including power supply designer. Tube data search engine. GRIFFON VALVE PAGES http://members.tripod.co.uk/griffonconsulting Lots of information on transformer coupling and distributed load including details of the Quad "Acoustical" design. GARY PIMM'S PAGES http://home.pacifier.com/~gpimm/ A wealth of information on constant current source. JOHN DAHLMAN' STUFF http://www.freewebs.com/stereobass/ John is a bassist, so check out his performance schedule at his site: John introduced me to Terry Pratchett's novels. Since he is of American birth, this suggests that there could be, just could be hope for Americans yet; Into finding excellent very low cost solutions, see his interpretation of the Altmann tonearm, also open baffles, well I'm openly baffled anyway! KEVIN KENNEDY'S PAGES www.kta-hifi.net Well known and respected guru' KK's pages with lots of great project information and tube audio links. Include a table of vintage commercial output iron data with recommendations for diy applications. KIEWA VALLEY STEREO http://home.mira.net/~kiewavly/stereo.html Australian stereo photography and tube audio site hosted by Steven Spicer, author of "Firsts in High Fidelity" a history of the Leak company. The site includes details of many of Steve's own designs. NATIONAL VALVE MUSEUM http://www.valve-museum.org/ British virtual museum with cross-referenced search facility between equivalent military and domestic types. Also the rebuilt computer at Bletchley park used in WW2 to crack ENIGMA codes. STEVE'S TUBE PAGES http://members.aol.com/sbench101/ Steve is a prolific experimenter. This page has lots of theoretical background and an amazing range of innovative designs including his "No R No C" concepts. THE INVENTOR OF STEREO http://www.doramusic.com/ A site dealing with the life and works of prolific British inventor, Alan Blumlein. His work has remained in obscurity until recently due to Churchill, who ordered that all his work be treated as secret after Blumlein and his team lost their lives during an experimental flight on a Halifax bomber which crashed while testing the H2S radar system. |