Support for acoustic research, repair and upgrade information, discussion forum, and links.
Devoted to high fidelity with special attention to vintage equipment and tube equipment. Topics include news, reviews, tweaks, gallery, articles, auditions, links. English and Spanish options.
Offers several discussion forums, articles, news and photos. Includes registration details.
Offers a hub for exchanging information and swapping patches. Includes registration details.
Arts /
Music
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