Audio Vacuum Tubes

• Arizona Hi-Fi  - Offers professional home audio equipment and audio related accessories.
• Constance Audio  - Specializes in the design and manufacturing of hi-end tube amplifiers, turntables, high fidelity tube DAC, and speakers.
• David Berning Company  - Manufactures vacuum tube audio amplifiers.
• Frenzel Tube Amplifiers  - Manufactures custom built hand wired vintage tube amplifiers.
• Granite Audio  - Manufactures handcrafted amplifiers, speakers, power amps, pre-amps, CD players and cables.
• Greenstone USA  - Manufacturing quality vacuum tubes and vacuum capacitors.
• Hot Glass Audio  - Specializes in the complete electrical restoration and repair of vintage tube audio gear.
• JJ-Electronic  - Development and production of vacuum tubes, tube amplifiers, electrolytic capacitors, polypropylene capacitors.
• MagneQuest Transformers  - Manufactures hand built air-gapped and parallel feed single-ended transformers.
• Maximatcher.com  - Manufactures a line of digital tube testing and matching products.
• Milbert Amplifiers  - Provides handmade vacuum tube car stereo equipment.
• Rogue Audio  - Designs and manufactures vacuum tube amplifiers.
• Tec-On  - Selling audio integrated tube and iPod amplifiers.
• Transcendent Sound  - Specializing in vacuum tube output transformerless tube amplifiers.
• Tube Audio Products  - Selling tube audio, turntables, tube amplifiers and tubes.
• Tube-Sonic Audio  - Specialists in vacuum tube guitar amp service and restorations.
• Ultra Electronic Active  - Offers vintage and antique audio equipment, music equipment, accesories and parts for sale.
• Variable Voltage Technology Ltd  - Design and manufacture of power supplies and magnetic wound components for electronic equipment.
• Watford Valves  - Suppliers of tested, graded and guaranteed valves to the professional music industry.
• Watts Tube Audio  - Offering guitar amplifier parts including custom and reproduction circuit boards, sockets, jacks, switches, indicator lights, chassis, hardware, potentiometers, knobs, capacitors, resistors, diodes and complete amplifier kits.
• Wolcott Audio Research  - Manufactures tube amplifiers, vacuum tube amplifiers, distortion-free speaker systems.
• Woo Audio  - Specializing in vacuum tube headphone amplifiers, preamplifiers, and powered amplifiers.
• Zeitmann Tubes  - Offering new and used ECC81 ECC82 ECC83 ECC85 E88CC EL84 and EF86 Tungsram vacuum tubes.
• Z-Infinity Audio  - Builds and sells custom tube audio amplifiers.