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12V Space Charge Tubes: A Junkbox Resource Guide
Low-voltage valve audio designs.
to audio electronics retrotech ... on 09 July 2005
Hifi valve designs, including the very simple "Darling" amplifier.
to audio electronics retrotech ... on 09 July 2005
Pete Millett's DIY Audio pages
Amplifier designs -- in particular, the HA-4 is a very neat headphone amp. Valve data sheet books as PDFs too.
to electronics retrotech ... on 09 July 2005
I came here looking for the All-American 5 information, but there are lots of other valve-related articles here too.
to electronics retrotech ... on 06 July 2005
Sort of like a Mellotron, but on a considerably smaller budget (transparent discs rather than tapes).
to electronics music retrotech ... on 16 May 2005
Lots of stuff about turntables. Some of the home-made turntables are particularly neat.
GERMAN Radio Communication Equipment, WWII, WW2
An impressive collection of German military radio equipment; some amazing mechanical and electronic engineering there.
to electronics radio retrotech ... on 06 May 2005
CED Magic - The RCA SelectaVision VideoDisc Web Site
The "not laserdisc" format. Still surprisingly common on UK eBay.
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tasty by Adam Sampson.