- Jeff Rowland Design Group - http://www.jeffrowland.com
High end manufacturer of stereo, monoblock, integrated amplifier and pre-amplifier, phono pre-amplifier power supplies such as Synergy, Cadence and Concentra products line.
- Lamm Industries - http://www.lammindustries.com/products.html
High end tube and solid state amplifiers and pre-amplifiers such as Monaural power amplifier.
- ATI - Amplifier Technologies Inc. - http://www.ati-amp.com/
Manufacturers of preamp/processor, stereo, multi channel and distribution amplifiers utilizing differential drive amplifier technology.
- NeoFidelity - http://www.neofidelity.com
Korea manufacturer specializes in digital audio signal processing such as digital power amplification, surround and DSP programming.
- Halcro Amplifiers - http://www.halcro.com
Manufacturers of mono, power, integrated, and pre amplifiers for stereo reproduction and home theater.
- ASV Tube Audio - http://www.asv-sebart.si/tube/
Slovenian manufacturer and supplier of tube amps, kits and components.
- Graaf - http://www.graaf.it
Tube power, integrated amplifiers and pre-amplifiers based in Italy.
- Marsh Sound Design - http://MarshSoundDesign.com/
Manufacturer of home theater processors, multi channels, stereo, power amplifiers and pre-amplifiers with a distinctive design.
- Beam-Echo - http://www.beamecho.mcmail.com/
British tube amps with retro styling.
- Sigma Electroacoustics - http://www.sigma-electroacoustics.it
Italian company producing high-end power amplifier using valve technology.
- Papworth Audio Technology - http://www.papworthaudio.demon.co.uk/
Uk manufacturer of valve monoblock amplifiers and Burgundy range intergrated tube amplifiers.
- Marchand Electronics Inc. - http://www.marchandelec.com
Manufacturers of equipment such as electronic crossover networks, both solid state and vacuum tube and modular audio amplifiers.
- Affordable Valve Company - http://www.affordablevalvecompany.com
British maker and seller of Class A EL34 valve amplifiers.
- Audire - http://www.audire.com/
California manufacturer of power amplifier, preamp and the monoblock New Monarch amplifier.
- Power Modules - http://www.powermodules.com/
Power amplifiers, phono and vacuum tube pre-amplifiers from David Belles.
- Silvaweld Audio Lab - http://www.Silvaweld.com/
Tube-driven amplifiers and pre-amplifiers Korean products such as SWA-300BU triode monoblock single ended amplifier.
- Reflection Audio Design - http://www.reflectionaudio.com/
Manufacturer of the OM1-Quantum pre-amplifier, amplifiers, AC4 power supply and DC12 battery power supply from Stephen Balliet.
- Placette Audio - http://www.placetteaudio.com/
Preamps from Idaho built around heroically engineered volume controls.
- EAR Yoshino Ltd. - http://www.ear-yoshino.com/
Tube amplifier from Tim de Paravicini.
- Boulder - http://www.boulderamp.com/
Colorado manufacturer of stereo and mono amplifier, DAC and phono preamplifier.
- BWS Tube - http://www.bws-tube.com/
Manufacturer from Virginia of hand crafted, broadcast grade and stereo tube equipment.
- Centasound - http://www.centasound.com
Tube multimedia and integrated amplifiers and digital signal processor (DSP).
- Unison Research - http://www.unisonresearch.com/
Italian manufacturer of tube amplifiers with a wooden design and Unico hybrid integrated amplifiers product line.
- Chapter Audio - http://www.chapteraudio.co.uk/
British manufacturer of one power amplifier and one pre-amplifier.
- IRD Audio - http://www.ird-thailand.com
Thailand manufacturer of power, monoblock and integrated amplifiers and pre-amplifiers.
- Aria Audio - http://www.ariaaudio.com
Manufacturer of tube/transistor hybrid amplifiers.
- Ex.Field - http://www.ex-field.com
Vacumm tube amplifiers from Japan.
- Mactone - http://www.mactone.com/
Electron tubed amplifiers and pre-emplifiers maker from Japan.
- Burning Blue Audio - http://burningblueaudio.com
Manufacturer of portable USB headphone amplifiers and desktop amps for digital and computer audio. Dedicated to headphone amplification.
- Argiriadis Analogue Electronics - http://www.tube-electronics.co.uk
UK custom desiged and handbuilt valve amplifiers including repair and restoration services.
- Vitus Audio - http://www.vitusaudio.com/
High End Audio products: Amplifier, phonostages, linestages and powerstages.
- Tenor Audio - http://www.tenoraudio.com/
Quebec high-end tube amplifiers with a wooden finish.
- Plinius Audio - http://www.pliniusaudio.com/
New Zealand manufacturer of Odeon amplifier, pre-amplifier, integrated and Jarrah phono amplifier.
- Wright Sound Company - http://www.Wright-Sound.com/
Tube point-to-point and hand-wired amplifiers and pre-amplifiers from Washington.
- Shindo Laboratory - http://www.shindo-laboratory.co.jp
Japan manufacturer of tube amplifiers such as Petrus III and stereo pre amplifier Monbrison.
- Beard Audio - http://www.beardaudio.com/
Reviews, brochures and information about tube amplifiers and pre-amplifiers.
- Border Patrol - http://www.borderpatrol.co.uk/
Manufacturer of valves amplifiers with a wooden finish and power supplies.
- Edge Electronics - http://www.edgeamp.com/
Power, multi-channels, integrated amplifiers, pre-amplifiers using the proprietary Laser Optical Bias Circuitry technology.
- ME Sound - http://www.me-au.com
Amplifiers and pre-amplifiers that integrate zero loop feedback and near constant operating temperature technologies.
- Sherbourn Technologies - http://www.sherbourn.com/
Information and downloadable documentation amplifiers and pre-amplifiers/tuners.
- Viva Audio - http://www.artigianinet.com/vivaaudio
Itilian manufacturer of single ended directly heated triode valves operating in pure class A employing zero negative feedback amplifier and pre-amplifiers.
- Sun Audio - http://www2.big.or.jp/~sunaudio
Japan manufacturer of valve amplifiers kit that can be assembled.
- Octave - http://www.octave.de
German manufacturer of integrated, power and monoblock amplifiers such as Jubilee line, pre-amplifiers and outboard power supply upgrade.
- Mons Audio - http://www.monsaudio.com/
Single-ended amplifier, amplifier and vacumm tubes.
- Monolithic Sound - http://www.monolithicsound.com/
Passive and active pre-amplifier, phono pre-amplifier, dual mono and digital/analog power supply and "perpetual power plant" power supply.
- Mapletree Audio Design - http://www.mapletreeaudio.com/
Tubes amplifiers and pre-amplifiers designed and hand crafted by Dr. Lloyd Peppard, a retired electronics engineering professor.
- Kwang Woo - http://www.kwangwoo.co.kr/
Tube integrated amplifier, phono equalizer, power amplifier and pre-amplifier.
- Emotive Audio - http://www.emotiveaudio.com/
Tube amplifiers and preamplifiers such as The Epifania preamplifier.
- Embla Audio - http://www.emblaaudio.no
Monoblocks and conventional stereo amplifiers.
- Delta Studio Amplifiers - http://www.amplifiers.delta-studio.com.pl/
Manufacturer of tube stereo and monoblock amplifiers.
- Coda Technologies - http://www.coda-continuum.com/
FET line stages and phono preamplifiers and bias class A power and integrated amplifiers such as Unison integrated amplifier.
- Vaic Audio - http://www.vaic-audio.info/
Tubes amplifiers from Czech Republic.
- Linar Audio - http://www.linaraudio.com
Quebec amplifier manufacturer for audiophile.
- Ashdown Music - http://www.ashdownmusic.co.uk
Manufacturers of Bass Amps and Combos
- Leem Products Co. - http://www.leem.co.kr/
Guitar amplifiers and other sound reinforcement products.
- Vintone Circuits - http://vintone.com
Designer and builder of custom guitar amplifiers and speakers housed in exotic hardwood cabinets.
- Vivaaudio - http://www.artigianinet.com/vivaaudio/vivaaudio1.html
Manufacturers of home audio amplifiers and preamplifiers.
- Talisman Audio - http://www.talisman-audio.com/
High-end small manufacturer of one line of product: power and monoblock amplifier, preamplifier and headphone amplifiers.
- Art Audio - http://www.artaudio.com/
Tube pre and power amplifiers. Stereo and mono blocks.
- Audible Illusions - http://www.audibleillusions.com/
Manufacturers of tube equipment including the Modulus 3A Pre-Amp.
- Conrad-Johnson - http://www.conradjohnson.com/
Wide range of (mostly tubed) amplifiers and preamplifiers.
- Joule Electra - http://www.joule-electra.com/
OTL tube amplifiers and tube preamplifiers.
- Lamm Industries - http://www.LammIndustries.com/
Tube and transistor amplifiers and preamplifiers.
- Music Reference - http://www.ramlabs-musicreference.com/
Tube power amplifier and preamplifiers, tubes parts and interconnects.
- NAT - Nikic Audio Team - http://www.nataudio.com
Single-ended triode, low- or no-feedback amplifiers and preamplifiers. Hand-wound transformers.
- Quicksilver Audio - http://www.quicksilveraudio.com/
Tube power and phono amplifiers and pre-amplifiers.
- Rogue Audio - http://www.rogueaudio.com/
Vacuum tube audio amplifiers and preamplifiers. Provides reviews, news and retailers.
- Labtek - http://www.labtek.it/
Italian manufacturer of tube amplifiers, preamplifiers and accessories.
- Transcendent Sound - http://www.transcendentsound.com/
Manufacturer of tube amplifiers, DIY audio kit, audio projects, and preamplifiers. Provides forum and product informations.
- Vacuum Tube Logic - http://www.VTL.com
Consumer and professional tube power and integrated amplifiers and preamplifiers. Provides products information and support.
- Wavelength Audio - http://www.WavelengthAudio.com/
Single-ended tube designs and custom guitar amps.
- Welborne Labs - http://www.welbornelabs.com/
Tube amplifiers, preamplifiers, line filters, interconnects and cables. Provides tech support, news and forum.
- Milbert Amplifiers - http://www.milbert.com
Tube car audio amplifiers and tube crossovers.
- West Laboratories - http://westlaboratories.com/
Designer and manufacturer of guitar and bass amplifiers.
- Deadline Audio - http://www.deadline-audio.com
Maker of power amplifier, preamplifier, integrated amplifier, active cable, peamplifier for cartridge mm-mc and interconnection active cable
- Audio - http://www.audion.co.uk/
Makes single-ended power amplifiers consist of triode and pentode type valves, valves pre-amplifiers, kits and components.
- Golden Middle - http://www.goldenmiddle.com/
Makes tubes amplifiers, preamplifiers, vacuum tubes components, sockets and transformers. Based in Saint-Petersburg, Russia.
- Korato - http://www.korato.com/
Manufacturers of tube and solid state amplifiers and pre-amplifiers. Based in Belgrade, Serbia.
- L C Audio Technology - http://www.lcaudio.dk/
Manufacturers of power amplifiers that use pulse amplifier module and makes also cables.
- Mapletree Audio Design - http://hollowstate.netfirms.com/
Manufacturers of stereo and multi-channel tube audio amplifiers, line pre-amplifiers, headphone/phono amplifiers and line router.
- Omak - http://www.cortmi.com.ua/omak
Ukraine manufacturers of valve amplifiers, audio transformers, pre-amplifier and passive pre-amplifiers.
- Olionik - http://hem.passagen.se/olionik/
Swedish manufacturer of vacuum tube amplifier.
- Opera Audio - http://www.operaudio.com
Manufacturers of vacuum tubes single-ended class A amplifiers.
- One Electron - http://www.one-electron.com/
Manufacturer of audio transformers and amplifiers.
- Pathos - http://www.pathosacoustics.com/
Manufacturer of valve integrated and monoblock amplifier.
- DPF audio - http://www.dpfaudio.com
Manufacturer of Mosfet and tubes hi-fi audio equipments and prototypes.
- icon Audio - http://www.iconaudio.co.uk/
Makes hand made high end valve amplifiers. Leicester, UK.
- RobyattAudio - http://www.robyattaudio.com/
Manufacturer of tube amplifiers, preamplifiers and loudspeaker.
- McAlister Audio - http://www.mcalisteraudio.com
Specializing in vacuum tube amplifiers. Custom design and build high end audio amplifiers. Repairs and restoration. Canada.
- Leben Hi-Fi - http://www.leben-hifi.com
Hi-fi tube amplifiers manufactured in Japan.
- Pacific Creek - http://www.pacificcreek.com/
Manufacturer and distributor of vacuum tube audio amplifiers. USA.
- Desperate Audio Magnetics - http://home.hvc.rr.com/developement/
Manufacturer of vacuum tube audio amplifier transformers, output, input, interstage as well as plate and power chokes and power transformers. USA.
- Tron Audio - http://www.tron-audio.ch
Manufacturer of high end tube amplifiers and preamplifiers. Also makes loudspeakers. Swiss.
- Palette Amps - http://www.paletteamps.com
Hand made guitar amplifier cabinets. USA.
- Aaron - http://aaron.hifi.net/
Manufacturer of high-end pre-amplifiers, stereo and three channels amplifiers. Germany.
- Juicy Music Audio - http://www.juicymusicaudio.com
Designs, manufactures and markets vacuum tube amplifiers and preamplifiers. Online order. USA.
- Artec France - http://www.artec-france.com
Manufacturer of high end solid-state amplifiers and pre-amplifiers. France.
- Dynavector - http://www.dynavector.com
Manufacturer of phono, power, and pre-amplifiers. Australia.
- Thylenea - http://www.thylenea.com
Design a range of amplifiers and pre-amplifiers. France.
- darTZeel - http://www.dartzeel.com/
Makes a power amplifier and preamplifier. Switzerland. [English, French]
- D2Audio - http://www.d2audio.com
Makes intelligent digital amplifier modules for the audio industry. USA.
- Audio Valve - http://www.audiovalve.de/
Manufacturer of high end tube and valve amplifer. Germany.
- Sakuma System - http://www5.big.or.jp/~dh/
An association for audiophiles and manufacture of hand made vacuum tube amplifiers. Japan.
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