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•  AMPAGE -- Homebrew Gallery

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•  Antique Radio Gallery

•  Audio Asylum -- Audio Reviews, Audiophile Forums and Stereo Reviews

•  Audionova tubesites

•  Audionova - audio and hifi

•  Audio Valves Link Page

•  Audiophile links

•  Audiolinks.nl

•  Bavo Dekker

•  The Bona's English HomePage

•  The Blue Guitar Page

•  BRIEF HISTORY

•  Classic-Audio

•  Classic Broadcast Rohde & Schwarz Telefunken Siemens Shortwave Radio

•  Classic Schematics

•  Deepfunk.org with the all new rare funk and soul radio service.

•  Deutsches Phono Museum St. Georgen (Schwarzwald)

•  Deutsche Röhrenverstärker Telewatt Telefunken Klangfilm

•  Diyparadiso Schematics

•  Diyparadiso Tube

•  Dr. Tube

•  The Dual-Reference Website

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•  Electricstuff-uk - nixieclock

•  Electronic Musical Instrument 1870 - 1990

•  Electrovoice

•  Elektronic Roehren

•  Esquemas Sinmarc

•  Falk Schuch, Gitarre & Amps, Links

•  Film-Tech

•  FM only radios

•  Fonar audio retro

•  Frank's Electron tube Pages

•  frihu.com HiFi-Röhrenverstärker & Lautsprecher...

•  Franz Hamberger - Berlin - Germany

•  The Free Information Society - Audio Electronic Circuit Schematics

•  Fuenterrebollo, Radios Antiguas

•  Guitar-related Circuits

•  Electric Guitar

•  Glass-Ware

•  Groovetubes

•  Hagerman Technology LLC

•  Hans Borngräeber

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•  Hi-Fi Literature

•  High End - High Fidelity - HiFi

•  H.-T. Schmidt

•  History - by Vance Bass

•  H.J.Leak and Co. Ltd.

•  Hofner Guitar Miscellany Home Page

•  Isophon Archiv - Katalog Download

•  Iga Válvulas..

•  JL Villabona Válvulas..

•  Restauradio, radios antiguas, sonido, válvulas...

•  JBL CATALOGS

•  JAN THØGERSEN

•  JENSEN TRANSFORMERS, INC. - APPLICATION SCHEMATICS

•  JMH's Virtual Valve Museum

•  Jogis Roehrenbude

•  John's Radio Web

•  Klangfilm

•  Klangfilm Home! France

•  Kuba Tonmöbel e. V. Wolfenbüttel - Gerhard Kubetscheck - www.kuba-museu

•  Lansing Heritage Website

•  Lansing Heritage Website

•  LeBong Audio Retro Audio Konzepte

•  Lempinis stiprintuvas

•  LENCO LOVERS Index

•  Leslie main page

•  Link TubesAll

•  Links Frag Jan zuerst- Ask Jan first Roehren und mehr

•  Lundahl Transformers, audio transformer and tube amplifier transformer manufacturer

•  MachMat tube

•  Marco's knutsel-site

•  Marshall Schematics Page

•  Michael's Aka Tubie's

•  Mods Heath-hifi

•  NDH/Home/Kboehm

•  New tube amps

•  Nixieclocks.de - nixietubes

•  Nixie Clock and Nixie Wristwatch site

•  Nixie- Tube - Links (Links to 1000 Nixie Tubes)

•  Norman Koren audio

•  Nuova Valvole

•  Nederlandse Vereniging voor de Historie van de Radio

•  OEI - Home

•  One Electron

•  O'Neill's Electronic Museum

•  Orchester Electronic

•  Path Schematics

•  Paul Cambie's Valve & S.E Audio Amp. Vintage

•  Pauls-Roehren Roehren, Radios, Verstaerker und anderer Krams

•  THE PHILCO REPAIR BENCH

•  Prowess Amplifiers - Schematics

•  QUAD Musikwiedergabe

•  Radau5 Vacuumtubes

•  RAD-IO

•  Radio Braun Forum

•  RadioDatabase.nl

•  Radio Era Schem

•  Radiofreunde

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•  Radionostalgie

•  Radio-RIM-Bauanleitungen

•  Radios aus längst vergangenen Zeiten

•  Radiotechnique and restoration

•  Recording Technology History org

•  Recording Technology History

•  Revox - A Dream of Design and Sound...

•  ReVox - Legendäre Tonbandgeräte

•  RöhrenfibelBaumappen & Erklärungen zu Retroaudio, Röhrenradios, Musikelektronik Martin Lemke

•  Roehrenfreak

•  Röehren-Museum

•  Röhrenseite von Hans Borngräber

•  Roehrensockel - MeinAmp1

•  Röhren Röhrenverstärker Electronic Bauanleitungen

•  Röhrenverstärker - Schallplattenspieler -Audio-Links

•  The Best of Sansui

•  Schaltplanlisten

•  Schema's Radio-TV

•  Schematicheaven.com

•  Schematics

•  Selmer Amplifier Schematic Wiring Diagrams

•  SENNHEISER

•  Shinrock Audio Transformers Home

•  Simple HI-FI

•  SOVTEK

•  SVETLANA

•  TEAC

•  Tecno-Line

•  Telefunken Die deutsche Weltmarke

•  TELEFUNKEN - TAB Funkenwerk

•  Text Index of Phil's Old Radios

•  The Analog Dept.

•  Theo's Radiostube

•  The Voice of Music - Links to Other Vintage Hi-Fi Websites

•  The Tubes and Valves Online Database - Röhrentabellen

•  Thorens-Info.de

•  Thorens.Info.de / Startseite

•  TL AUDIO

•  TRANSLATECH

•  Triode Electronic

•  Tritet Audio Vintage Quad HiFi

•  Tube-Amp Johannes G. LeBong

•  Tube-Amps Hashimoto Sansui Vacuum tube transformer...

•  Tubebuilder

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•  Tube Classics - German Tube Hifi

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•  Tube links

•  Tube links

•  Tube Links Zone

•  TubeNotes - audio equipment

•  Tubes4all.com

•  Tube Schematic

•  Tubes W

•  TURNER AUDIO

•  UK Vintage Radio Repair and Restoration

•  Vacuum State Electronics

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•  Vacuum Tube Links

•  Wälkom

•  ValveAmps

•  ValvesUnlimited

•  Vintage Audio Trader's

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•  Vintage Radio & Audio Pages

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•  Vintage recorders (Vintage Reel to reel tape recorder collection, Sales, duplication and repairs)

•  Vintage Wireless London

•  Vintec-Audio

•  Vinyl-collection

•  VinylLogo

•  Vinyl & Triodes

•  Voice of the theatre

•  Vollverstärker EL34

•  Waltzing Bear Audio

•  WEGA

•  Wegavisions HiFi Archiv

•  Welborne Labs Homepage

•  Welcome to Åke's Tubedata

•  Wim's DIY Projects for Audio

•  World Tube Audio Portal

•  WPSArchives

•  WPSArchives Electron Tube Datasheet database, 1958 - 1961.

•  Wumpus. Tape recorders

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