Headphone links
Ampware
Amps, parts and schematics
AskJanFirst
Tubes and accessories
Bill Bowden's Circuits
Esp. power supllies and helper cicuits
BTB
Tube sales
Class A AmpSite
Some class A amplifier designs
Datasheetlist
All datasheets
Digital Music Zone
Lots of schematics for effects, boosters and effects
DiscoverCircuits
Huge collection of various schematics & projects
DIY Audio
Forums and Wiki
DIY Paradiso
DIY projects and effects
DIY Stomp Boxes
Huge collection of schemtics
Duncan Amps
Tube data and datasheets
EPanorama
Audio and music circuits
Free Information Source
Huge schematics collection (also comm. products)
Head-Fi
Another headphone amp site
Headwize
Headphone amps
Hennessy's Analogue Projects
Interesting amp & mixer projects
National HeadPhone Amps
Schematics and components
RadioLocman
Huge collection, also schems for commercial boxes and amps
Roehrentechnik.de
Tubes and accessories
Schematics Depot
Various audio and electronics projects
Sijosae
Korean hpamp collection
Tangent's Audiologica
Details and articles (CMoy etc.)
Tonband.net
Transistor-Vergleichstabelle
Tube Datasheets
Tube data
Impressum & Maintainer