C37 Acoustics Dieter Ennemoser (Popularity: )

Violinmaker and aoustic researcher D.Ennemoser's C37-theory of natural sound, including applications on violins and loudpeakers.
Category: Science\Technology\Acoustics, Ultrasound and Vibration\Resources

World Tube Audio (Popularity: )

Extensive list of links and topics on vacuum tube audio applications, projects, theory, and design. ...
Category: Science\Technology\Electronics\Audio and Video

World Tube Audio Portal (Popularity: )

Audio tube related link list, forums and newsgroups, tube amplifier collection and tweaking. Audio amplifiers ...
Category: Science\Technology\Electronics\Reference