Site focusing on Scientific Audio Electronics, Carver Audio and Martin-Logan.

Describes do-it-yourself tube and valve amplifiers, with schematics and photographs. Also includes descriptions of Quad ESL 57 and ESL 63 speakers.

Sansui Electric vintage stereo receivers and amplifiers, with company history, including international and Japanese domestic markets.

Features music reviews, guitar gallery, audio factory reviews, and an audio link list.

History of Soundcraftsmen stereo amplifiers, pre-amplifiers, equalizers and other components with photos, test reports and advertisements.

Describes Pioneer audio equipment from the mid-1970s to the early 1980s. Includes photographs.

A detailed overview of the vintage stereo components manufactured by Sansui, with literature and schematics illustrated.

High-End Audio site about the evolved methods of music reproduction with weblogs on various audio subjects.

Construction details and photographs of a reproduction of the classic Tannoy Autograph loudspeakers built by Rick Norrish of Australia.

Devoted to the Marantz Quarter-A (Class A) intregrated amplifiers in the PM series with descriptions and photos.