Provides information about early KEF speaker drive units, cabinets and crossovers and provides a forum facility for people interested in KEF speakers.

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

Enthusiast site of equipment from SAE (Scientific Audio Electronics), including equipment from GAS, SUMO, Infinity, Transcendent Sound, Bottlehead, and Decware.

An inside look at the Cary 303/300 CD Player player.

A guide to setting up the BFD parametric subwoofer equalizer, with access to the BFD Forum.

A site documenting research into amplifer design and sound quality, including tube and transistor circuits.

A personal audio collection featuring the JBL Paragon speaker system with Marantz and Altec Lansing audio equipment.

Information and a brief history on the first portable Digital Compact Cassette (DCC) player and the DCC format.

An audiophile's advice on affordable highend and related topics.

Includes site covering the engineering contributions of Hashimoto transformers and other components with relation to Sansui, and new products today.