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Affordable Valve Company
- British maker and seller of Class A EL34 valve amplifiers.
Alum Rock Technology
- Manufactures a 304TL amplifier, plus audio transformers and related power transformers and inductors. USA.
- 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.
- Tubes guitar amps, handmade in Italy . Classic tone in solid wood cabinet.
- Makes and design vacuum tube preamplifiers.
ASV Tube Audio
- Slovenian manufacturer and supplier of tube amps, kits and components.
- Manufacturers of tube equipment including the Modulus 3A Pre-Amp.
- Design tube mono-block amplifiers and preamplifiers. USA.
- Manufacturer of high end tube and valve amplifier. Germany.
- Reviews, brochures and information about tube amplifiers and pre-amplifiers.
- Hand made tube amplifiers. USA.
- Manufacturer of valves amplifiers with a wooden finish and power supplies.
- Tube amplifiers, pre-amplifiers, AC power cables and interconnect from San Jose.
- Wide range of (mostly tubed) amplifiers and preamplifiers.
Curcio Audio Engineering
- Manufacturer of vacuum tube parts and amplifiers.
- Manufacturer of vacuum tube amplifier. China.
- Makes high-end tube audio amplifiers including preamplifiers, integrated and power amplifiers, speaker and interconnect cables. USA.
- Manufacturer of the Zen Triode amplifier. The product line is: speakers, tube amplifier and pre-amplifier, accessories, cables and replacement tubes.
EAR Yoshino Ltd.
- Tube amplifier from Tim de Paravicini.
- Tube transformers, chokes and custom tube amplifiers.
Elliott Studio Arts
- Designs and builds hand built tube amplifier. USA.
- Tube amplifiers and preamplifiers such as The Epifania preamplifier.
- Hand built vacuum tube guitar amplifiers.
- Makes amplifiers and pre-amplifiers which are a marriage of solid state and tube technology.
- Designs and builds custom commissioned vacuum tube electronics and horn based loudspeakers.
- 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.
- Manufacturer and distributor of vacuum tubes and vacuum capacitors.
Hagerman Technology LLC
- Design and manufacture tube phonostage, moving coil headamp and professional studio products. USA.
- Makes handmade high end valve amplifiers. Leicester, UK.
- Makes vacuum tube audio amplifiers and pre-amplifiers. USA.
Information and Control Laboratory
- Japanese tubed electronics.
- OTL tube amplifiers and tube preamplifiers.
- Manufacturer of Moscode tube amplifiers product line. USA.
KBO Dynamics Ltd
- Product design and consultancy company specialising in the design and development of bespoke innovative audio and guitar amplifier solutions. UK.
- Makes vacuum tube amplifiers and cables. Germany.
- Manufacturer of low-frequency power triodes and hi-end audio equipment. Czech Republic.
- Tube integrated amplifier, phono equalizer, power amplifier and pre-amplifier.
LA Audio Electronic
- Manufacturer of mono, stereo, integrated amplifiers and preamplifiers. Taiwan.
- Italian manufacturer of tube amplifiers, preamplifiers and accessories.
- 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.
- Makes a tube preamplfier. USA.
- Tube power amplifier and preamplifiers, tubes parts and interconnects.
- Specialized in designing and manufacturing high-end tube-based audio products such as SE-MKI preamplifier and NVS-003G monoblock amplifiers. USA.
- Manufacturers of vacuum tubes single-ended class A amplifiers.
- Manufacturer and distributor of vacuum tube audio amplifiers. USA.
- Manufacturer of valve integrated and monoblock amplifier.
- Tube power and phono amplifiers and pre-amplifiers.
Renaissance Audio Electronics
- Manufacturer of the tube Opus 1 amplifier.
- Vacuum tube audio amplifiers and preamplifiers. Provides reviews, news and retailers.
Shenzhen Jidian Technology Co., Ltd
- Manufacturer of high end tube speakers and amplifiers.
- Japan manufacturer of tube amplifiers such as Petrus III and stereo pre amplifier Monbrison.
- Tube amplifiers and pre-amplifiers. Also makes monitor speaker. USA.
- Japan manufacturer of valve amplifiers kit that can be assembled.
- Quebec high-end tube amplifiers with a wooden finish.
Triodes of Denmark
- Manufacturer of high end tube single ended triode amplifiers design by Lennart Andersen. Denmark.
- Manufacturer of high end tube amplifiers and preamplifiers. Also makes loudspeakers. Swiss.
- Manufacturer of custom valve guitar amplification. UK.
- UK. Designer and manufacturer of valve amplifiers and audio circuits.
- 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 State Electronics
- Manufacturer of a wide range of products such as amplifiers, tube parts, preamplifiers, cables, kits.
Vacuum Tube Logic
- Consumer and professional tube power and integrated amplifiers and preamplifiers. Provides products information and support.
- Distributor of Tattva stereo vacuum tube integrated amplifier. Thailand.
- 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.
- Tube amplifiers, preamplifiers, line filters, interconnects and cables. Provides tech support, news and forum.
- Fifty watts valve amplifier for guitar.
- Manufacturer of single-ended OTL class A vacuum tube headphone preamplifier and powered amplifier.
- Manufacturer of tube amplifiers and pre-amplifiers. Hong Kong, China.
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