Manufacturer of high-end pre-amplifiers, stereo and three channels amplifiers. Germany.

Manufacturers of the Pasiphae transformer attenuator as an alternative to pre-amplifiers.

British maker and seller of Class A EL34 valve amplifiers.

UK custom desiged and handbuilt valve amplifiers including repair and restoration services.

Manufacturer of tube/transistor hybrid amplifiers.

Tube pre and power amplifiers. Stereo and mono blocks.

Manufacturer of tube line stage preamplifier.

Manufacturers of Bass Amps and Combos

Slovenian manufacturer and supplier of tube amps, kits and components.

Manufacturers of preamp/processor, stereo, multi channel and distribution amplifiers utilizing differential drive amplifier technology.

Manufacturers of tube equipment including the Modulus 3A Pre-Amp.

Makes single-ended power amplifiers consist of triode and pentode type valves, valves pre-amplifiers, kits and components.

California manufacturer of power amplifier, preamp and the monoblock New Monarch amplifier.

British tube amps with retro styling.

Reviews, brochures and information about tube amplifiers and pre-amplifiers.

Manufacturer of valves amplifiers with a wooden finish and power supplies.

Colorado manufacturer of stereo and mono amplifier, DAC and phono preamplifier.

Manufacturer of portable USB headphone amplifiers and desktop amps for digital and computer audio. Dedicated to headphone amplification.

Manufacturer from Virginia of hand crafted, broadcast grade and stereo tube equipment.

Tube multimedia and integrated amplifiers and digital signal processor (DSP).

British manufacturer of one power amplifier and one pre-amplifier.

FET line stages and phono preamplifiers and bias class A power and integrated amplifiers such as Unison integrated amplifier.

Wide range of (mostly tubed) amplifiers and preamplifiers.

Manufacturer of vacuum tube parts and amplifiers.

Maker of power amplifier, preamplifier, integrated amplifier, active cable, peamplifier for cartridge mm-mc and interconnection active cable

Manufacturer of two class "A" tube amplifiers: the Aries 845-G and the GM70.

Manufacturer of tube stereo and monoblock amplifiers.

Manufacturer of vacuum tube audio amplifier transformers, output, input, interstage as well as plate and power chokes and power transformers. USA.

Manufacturer of Mosfet and tubes hi-fi audio equipments and prototypes.

Tube amplifier from Tim de Paravicini.

Power, multi-channels, integrated amplifiers, pre-amplifiers using the proprietary Laser Optical Bias Circuitry technology.

Manufacturer of musical instrument amplifiers.

Monoblocks and conventional stereo amplifiers.

Tube amplifiers and preamplifiers such as The Epifania preamplifier.

Tube and hybrid amplifiers by Shinichi Kamijo.

Vacumm tube amplifiers from Japan.

Makes tubes amplifiers, preamplifiers, vacuum tubes components, sockets and transformers. Based in Saint-Petersburg, Russia.

Tube power, integrated amplifiers and pre-amplifiers based in Italy.

Manufacturers of mono, power, integrated, and pre amplifiers for stereo reproduction and home theater.

Makes hand made high end valve amplifiers. Leicester, UK.

Thailand manufacturer of power, monoblock and integrated amplifiers and pre-amplifiers.

High end manufacturer of stereo, monoblock, integrated amplifier and pre-amplifier, phono pre-amplifier power supplies such as Synergy, Cadence and Concentra products line.

OTL tube amplifiers and tube preamplifiers.

Designs, manufactures and markets vacuum tube amplifiers and preamplifiers. Online order. USA.

Manufacturers of tube and solid state amplifiers and pre-amplifiers. Based in Belgrade, Serbia.

Tube integrated amplifier, phono equalizer, power amplifier and pre-amplifier.

Manufacturers of power amplifiers that use pulse amplifier module and makes also cables.

Italian manufacturer of tube amplifiers, preamplifiers and accessories.

Tube and transistor amplifiers and preamplifiers.

High end tube and solid state amplifiers and pre-amplifiers such as Monaural power amplifier.

Hi-fi tube amplifiers manufactured in Japan.

Guitar amplifiers and other sound reinforcement products.

Quebec amplifier manufacturer for audiophile.

Electron tubed amplifiers and pre-emplifiers maker from Japan.

Tubes amplifiers and pre-amplifiers designed and hand crafted by Dr. Lloyd Peppard, a retired electronics engineering professor.

Manufacturers of stereo and multi-channel tube audio amplifiers, line pre-amplifiers, headphone/phono amplifiers and line router.

Manufacturers of equipment such as electronic crossover networks, both solid state and vacuum tube and modular audio amplifiers.

Manufacturer of home theater processors, multi channels, stereo, power amplifiers and pre-amplifiers with a distinctive design.

Specializing in vacuum tube amplifiers. Custom design and build high end audio amplifiers. Repairs and restoration. Canada.

Amplifiers and pre-amplifiers that integrate zero loop feedback and near constant operating temperature technologies.

Tube car audio amplifiers and tube crossovers.

Passive and active pre-amplifier, phono pre-amplifier, dual mono and digital/analog power supply and "perpetual power plant" power supply.

Single-ended amplifier, amplifier and vacumm tubes.

Tube power amplifier and preamplifiers, tubes parts and interconnects.

Single-ended triode, low- or no-feedback amplifiers and preamplifiers. Hand-wound transformers.

Korea manufacturer specializes in digital audio signal processing such as digital power amplification, surround and DSP programming.

Makes high end stereo, integrated and multi-channel amplifiers and pre-amplifiers.

German manufacturer of integrated, power and monoblock amplifiers such as Jubilee line, pre-amplifiers and outboard power supply upgrade.

Swedish manufacturer of vacuum tube amplifier.

Ukraine mnufacturers of valve amplifiers, audio transformers, pre-amplifier and passive pre-amplifiers.

Manufacturer of audio transformers and amplifiers.

Manufacturers of vacuum tubes single-ended class A amplifiers.

Manufacturer and distributor of vacuum tube audio amplifiers. USA.

Hand made guitar amplifier cabinets. USA.

Uk manufacturer of valve monoblock amplifiers and Burgundy range intergrated tube amplifiers.

Manufacturer of valve integrated and monoblock amplifier.

Preamps from Idaho built around heroically engineered volume controls.

New Zealand manufacturer of Odeon amplifier, pre-amplifier, integrated and Jarrah phono amplifier.

Power amplifiers, phono and vacuum tube pre-amplifiers from David Belles.

Tube power and phono amplifiers and pre-amplifiers.

Manufacturer of the OM1-Quantum pre-amplifier, amplifiers, AC4 power supply and DC12 battery power supply from Stephen Balliet.

Manufacturer of the tube Opus 1 amplifier.

Manufacturer of tube amplifiers, preamplifiers and loudspeaker.

Vacuum tube audio amplifiers and preamplifiers. Provides reviews, news and retailers.

Information and downloadable documentation amplifiers and pre-amplifiers/tuners.

Japan manufactuere of tube amplifiers such as monoblobk Petrus III and stereo pre amplifier Monbrison.

Italian company producing high-end power amplifier using valve technology.

Tube-driven amplifiers and pre-amplifiers Korean products such as SWA-300BU triode monoblock single ended amplifier.

Japan manufacturer of valve amplifiers kit that can be assembled.

High-end small manufacturer of one line of product: power and monoblock amplifier, preamplifier and headphone amplifiers.

Quebec high-end tube amplifiers with a wooden finish.

Manufacturer of tube amplifiers, DIY audio kit, audio projects, and preamplifiers. Provides forum and product informations.

Manufacturer of high end tube amplifiers and preamplifiers. Also makes loudspeakers. Swiss.

Italian manufacturer of tube amplifiers with a wooden design and Unico hybrid integrated amplifiers product line.

Manufacturer of tube stereo and multi channels amplifiers such as Renaissance Signature series.

Consumer and professional tube power and integrated amplifiers and preamplifiers. Provides products information and support.

Tubes amplifiers from Czech Republic.

Designer and builder of custom guitar amplifiers and speakers housed in exotic hardwood cabinets.

High End Audio products: Amplifier, phonostages, linestages and powerstages.

Itilian manufacturer of single ended directly heated triode valves operating in pure class A employing zero negative feedback amplifier and pre-amplifiers.

Manufacturers of home audio amplifiers and preamplifiers.

Single-ended tube designs and custom guitar amps.

Tube amplifiers, preamplifiers, line filters, interconnects and cables. Provides tech support, news and forum.

Designer and manufacturer of guitar and bass amplifiers.

Tube point-to-point and hand-wired amplifiers and pre-amplifiers from Washington.

Amplifier designed and handcrafted in Singapore.