Aaron
Manufacturer of high-end pre-amplifiers, stereo and three channels amplifiers. Germany.
Advanced Vacuum Tube Audio Concepts
Manufacturers of the Pasiphae transformer attenuator as an alternative to pre-amplifiers.
Affordable Valve Company
British maker and seller of Class A EL34 valve amplifiers.
Argiriadis Analogue Electronics
UK custom desiged and handbuilt valve amplifiers including repair and restoration services.
ASV Tube Audio
Slovenian manufacturer and supplier of tube amps, kits and components.
ATI - Amplifier Technologies Inc.
Manufacturers of preamp/processor, stereo, multi channel and distribution amplifiers utilizing differential drive amplifier technology.
Audible Illusions
Manufacturers of tube equipment including the Modulus 3A Pre-Amp.
Audio
Makes single-ended power amplifiers consist of triode and pentode type valves, valves pre-amplifiers, kits and components.
Audire
California manufacturer of power amplifier, preamp and the monoblock New Monarch amplifier.
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.
Boulder
Colorado manufacturer of stereo and mono amplifier, DAC and phono preamplifier.
Burning Blue Audio
Manufacturer of portable USB headphone amplifiers and desktop amps for digital and computer audio. Dedicated to headphone amplification.
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).
Chapter Audio
British manufacturer of one power amplifier and one pre-amplifier.
Coda Technologies
FET line stages and phono preamplifiers and bias class A power and integrated amplifiers such as Unison integrated amplifier.
Conrad-Johnson
Wide range of (mostly tubed) amplifiers and preamplifiers.
Curcio Audio Engineering
Manufacturer of vacuum tube parts and amplifiers.
Deadline Audio
Maker of power amplifier, preamplifier, integrated amplifier, active cable, peamplifier for cartridge mm-mc and interconnection active cable
DeHavilland Electric Amplifier Company
Manufacturer of two class "A" tube amplifiers: the Aries 845-G and the GM70.
Delta Studio Amplifiers
Manufacturer of tube stereo and monoblock amplifiers.
Desperate Audio Magnetics
Manufacturer of vacuum tube audio amplifier transformers, output, input, interstage as well as plate and power chokes and power transformers. USA.
DPF audio
Manufacturer of Mosfet and tubes hi-fi audio equipments and prototypes.
Edge Electronics
Power, multi-channels, integrated amplifiers, pre-amplifiers using the proprietary Laser Optical Bias Circuitry technology.
Emotive Audio
Tube amplifiers and preamplifiers such as The Epifania preamplifier.
Evolve Power Amplifiers
Tube and hybrid amplifiers by Shinichi Kamijo.
Golden Middle
Makes tubes amplifiers, preamplifiers, vacuum tubes components, sockets and transformers. Based in Saint-Petersburg, Russia.
Halcro Amplifiers
Manufacturers of mono, power, integrated, and pre amplifiers for stereo reproduction and home theater.
IRD Audio
Thailand manufacturer of power, monoblock and integrated amplifiers and pre-amplifiers.
Jeff Rowland Design Group
High end manufacturer of stereo, monoblock, integrated amplifier and pre-amplifier, phono pre-amplifier power supplies such as Synergy, Cadence and Concentra products line.
Juicy Music Audio
Designs, manufactures and markets vacuum tube amplifiers and preamplifiers. Online order. USA.
Korato
Manufacturers of tube and solid state amplifiers and pre-amplifiers. Based in Belgrade, Serbia.
Kwang Woo
Tube integrated amplifier, phono equalizer, power amplifier and pre-amplifier.
L C Audio Technology
Manufacturers of power amplifiers that use pulse amplifier module and makes also cables.
Lamm Industries
High end tube and solid state amplifiers and pre-amplifiers such as Monaural power amplifier.
Mapletree Audio Design
Tubes amplifiers and pre-amplifiers designed and hand crafted by Dr. Lloyd Peppard, a retired electronics engineering professor.
Mapletree Audio Design
Manufacturers of stereo and multi-channel tube audio amplifiers, line pre-amplifiers, headphone/phono amplifiers and line router.
Marchand Electronics Inc.
Manufacturers of equipment such as electronic crossover networks, both solid state and vacuum tube and modular audio amplifiers.
Marsh Sound Design
Manufacturer of home theater processors, multi channels, stereo, power amplifiers and pre-amplifiers with a distinctive design.
McAlister Audio
Specializing in vacuum tube amplifiers. Custom design and build high end audio amplifiers. Repairs and restoration. Canada.
ME Sound
Amplifiers and pre-amplifiers that integrate zero loop feedback and near constant operating temperature technologies.
Monolithic Sound
Passive and active pre-amplifier, phono pre-amplifier, dual mono and digital/analog power supply and "perpetual power plant" power supply.
Music Reference
Tube power amplifier and preamplifiers, tubes parts and interconnects.
NAT - Nikic Audio Team
Single-ended triode, low- or no-feedback amplifiers and preamplifiers. Hand-wound transformers.
NeoFidelity
Korea manufacturer specializes in digital audio signal processing such as digital power amplification, surround and DSP programming.
NKira sound system
Makes high end stereo, integrated and multi-channel amplifiers and pre-amplifiers.
Octave
German manufacturer of integrated, power and monoblock amplifiers such as Jubilee line, pre-amplifiers and outboard power supply upgrade.
Omak
Ukraine mnufacturers of valve amplifiers, audio transformers, pre-amplifier and passive pre-amplifiers.
Pacific Creek
Manufacturer and distributor of vacuum tube audio amplifiers. USA.
Papworth Audio Technology
Uk manufacturer of valve monoblock amplifiers and Burgundy range intergrated tube amplifiers.
Placette Audio
Preamps from Idaho built around heroically engineered volume controls.
Plinius Audio
New Zealand manufacturer of Odeon amplifier, pre-amplifier, integrated and Jarrah phono amplifier.
Power Modules
Power amplifiers, phono and vacuum tube pre-amplifiers from David Belles.
Quicksilver Audio
Tube power and phono amplifiers and pre-amplifiers.
Reflection Audio Design
Manufacturer of the OM1-Quantum pre-amplifier, amplifiers, AC4 power supply and DC12 battery power supply from Stephen Balliet.
Renaissance Audio Electronics
Manufacturer of the tube Opus 1 amplifier.
RobyattAudio
Manufacturer of tube amplifiers, preamplifiers and loudspeaker.
Rogue Audio
Vacuum tube audio amplifiers and preamplifiers. Provides reviews, news and retailers.
Sherbourn Technologies
Information and downloadable documentation amplifiers and pre-amplifiers/tuners.
Shindo Laboratory
Japan manufactuere of tube amplifiers such as monoblobk Petrus III and stereo pre amplifier Monbrison.
Sigma Electroacoustics
Italian company producing high-end power amplifier using valve technology.
Silvaweld Audio Lab
Tube-driven amplifiers and pre-amplifiers Korean products such as SWA-300BU triode monoblock single ended amplifier.
Sun Audio
Japan manufacturer of valve amplifiers kit that can be assembled.
Talisman Audio
High-end small manufacturer of one line of product: power and monoblock amplifier, preamplifier and headphone amplifiers.
Transcendent Sound
Manufacturer of tube amplifiers, DIY audio kit, audio projects, and preamplifiers. Provides forum and product informations.
Tron Audio
Manufacturer of high end tube amplifiers and preamplifiers. Also makes loudspeakers. Swiss.
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.
Vintone Circuits
Designer and builder of custom guitar amplifiers and speakers housed in exotic hardwood cabinets.
Vitus Audio
High End Audio products: Amplifier, phonostages, linestages and powerstages.
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.
West Laboratories
Designer and manufacturer of guitar and bass amplifiers.
Wright Sound Company
Tube point-to-point and hand-wired amplifiers and pre-amplifiers from Washington.