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Anacon Technology - Manufacturer of high-end custom tube guitar amplifiers where proprietary circuits offer full control of distortion and its harmonic spectrum. Sweden.
Argiriadis Analogue Electronics - Details about UK custom designed and hand-built valve amplifiers. Also provides repair and restoration services.
Art Audio - Tube pre and power amplifiers. Stereo and mono blocks.
ASV Tube Audio - Slovenian manufacturer and supplier of tube amps, kits and components.
Audible Illusions - Manufacturers of tube equipment including the Modulus 3A Pre-Amp.
Audio Valve - Manufacturer of high end tube and valve amplifer. Germany.
Beard Audio - Reviews, brochures and information about tube amplifiers and pre-amplifiers.
Border Patrol - Manufacturer of valves amplifiers with a wooden finish and power supplies.
BWS Tube - Manufacturer from Virginia of hand crafted, broadcast grade and stereo tube equipment.
Centasound - Tube multimedia and integrated amplifiers and digital signal processor (DSP).
Conrad-Johnson - Wide range of (mostly tubed) amplifiers and preamplifiers.
Curcio Audio Engineering - Manufacturer of vacuum tube parts and amplifiers.
Dared - Manufacturer of vacuum tube amplifier. China.
EAR Yoshino Ltd. - Tube amplifier from Tim de Paravicini.
Emotive Audio - Tube amplifiers and preamplifiers such as The Epifania preamplifier.
Ex.Field - Vacuum tube amplifiers from Japan.
Golden Middle - Makes tubes amplifiers, preamplifiers, vacuum tubes components, sockets and transformers. Based in Saint-Petersburg, Russia.
Graaf - Tube power, integrated amplifiers and pre-amplifiers based in Italy.
Greenstone - Manufacturer and distributor of vacuum tubes and vacuum capacitors.
icon Audio - Makes hand made high end valve amplifiers. Leicester, UK.
JCA Circuits - Manufacturer of vacuum tube guitar amplifiers. USA.
Joule Electra - OTL tube amplifiers and tube preamplifiers.
Juicy Music Audio - Designs, manufactures and markets vacuum tube amplifiers and preamplifiers. Online order. USA.
Kwang Woo - Tube integrated amplifier, phono equalizer, power amplifier and pre-amplifier.
Labtek - Italian manufacturer of tube amplifiers, preamplifiers and accessories.
Leben Hi-Fi - Hi-fi tube amplifiers manufactured in Japan.
Mapletree Audio Design - Manufacturers of stereo and multi-channel tube audio amplifiers, line pre-amplifiers, headphone/phono amplifiers and line router.
Music Reference - Tube power amplifier and preamplifiers, tubes parts and interconnects.
Olionik - Swedish manufacturer of vacuum tube amplifier.
Opera Audio - Manufacturers of vacuum tubes single-ended class A amplifiers.
Pacific Creek - Manufacturer and distributor of vacuum tube audio amplifiers. USA.
Pathos - Manufacturer of valve integrated and monoblock amplifier.
Quicksilver Audio - Tube power and phono amplifiers and pre-amplifiers.
Renaissance Audio Electronics - Manufacturer of the tube Opus 1 amplifier.
Rogue Audio - Vacuum tube audio amplifiers and preamplifiers. Provides reviews, news and retailers.
Shindo Laboratory - Japan manufacturer of tube amplifiers such as Petrus III and stereo pre amplifier Monbrison.
Sigma Electroacoustics - Italian company producing high-end power amplifier using valve technology.
Sun Audio - Japan manufacturer of valve amplifiers kit that can be assembled.
Tenor Audio - Quebec high-end tube amplifiers with a wooden finish.
Tron Audio - Manufacturer of high end tube amplifiers and preamplifiers. Also makes loudspeakers. Swiss.
TruVibe - Manufacturer of custom valve guitar amplification. UK.
Unison Research - Italian manufacturer of tube amplifiers with a wooden design and Unico hybrid integrated amplifiers product line.
VAC - Valve Amplification Company - Manufacturer of tube stereo and multi channels amplifiers such as Renaissance Signature series.
Vacuum Tube Logic - Consumer and professional tube power and integrated amplifiers and preamplifiers. Provides products information and support.
Viva Audio - Itilian manufacturer of single ended directly heated triode valves operating in pure class A employing zero negative feedback amplifier and pre-amplifiers.
Vivaaudio - Manufacturers of home audio amplifiers and preamplifiers.
Welborne Labs - Tube amplifiers, preamplifiers, line filters, interconnects and cables. Provides tech support, news and forum.
WKZ Amplification - Fifty watts valve amplifier for guitar.
World Tube Audio - Manufacturer of tube amplifiers and loudspeaker kits such as parts, tubes, transformers, and circuit boards. Austria.
Wright Sound Company - Tube point-to-point and hand-wired amplifiers and pre-amplifiers from Washington.
YS-Audio - Manufacturer of tube amplifiers and pre-amplifiers. Hong Kong, China.
WooAudio - Manufacturer of single-ended OTL class A vacuum tube headphone preamplifier and powered amplifier.
Manios Amplifiers - Custom hand-made high-end valve amplifiers. Greece.
Krater Audio - Amplifiers, tube based hifi products manufacturer. Romania.
Kr Audio - Manufacturer of low-frequency power triodes and hi-end audio equipment. Czech Republic.
Omaha Audio - Makes affordable vacuum tube amplifier. USA.
Viriya Trading - Distributor of Tattva stereo vacuum tube integrated amplifier. Thailand.
Triodes of Denmark - Manufacturer of high end tube single ended triode amplifiers design by Lennart Andersen. Denmark.
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