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12V Space Charge Tubes: A Junkbox Resource Guide edit / delete
Low-voltage valve audio designs.
to audio electronics retrotech ... on 09 July 2005
Vacuum Tube Audio edit / delete
Hifi valve designs, including the very simple "Darling" amplifier.
to audio electronics retrotech ... on 09 July 2005
Pete Millett's DIY Audio pages edit / delete
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
Mick's Audiworld Index Page edit / delete
Another hifi collector.
The Analog Dept. edit / delete
Lots of stuff about turntables. Some of the home-made turntables are particularly neat.
GERMAN Radio Communication Equipment, WWII, WW2 edit / delete
An impressive collection of German military radio equipment; some amazing mechanical and electronic engineering there.
to electronics radio retrotech ... on 06 May 2005
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tasty by Adam Sampson.