Amplification

Mapletree Audio Design

mapletreeaudio.com

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

65 visits Sep 4, 2023 Details

Mapletree Audio Design

hollowstate.netfirms.com

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

120 visits Feb 19, 2026 Details

Marchand Electronics Inc.

marchandelec.com

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

377 visits Jan 12, 2026 Details

Milbert Amplifiers

milbert.com

Tube car audio amplifiers and tube crossovers.

502 visits Nov 2, 2025 Details

Monolithic Sound

monolithicsound.com

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

355 visits Jul 16, 2024 Details

NAT - Nikic Audio Team

nataudio.com

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

474 visits Aug 12, 2023 Details

NeoFidelity

neofidelity.com

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

363 visits Sep 3, 2025 Details

Octave

octave.de

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

242 visits Sep 15, 2025 Details

One Electron

one-electron.com

Manufacturer of audio transformers and amplifiers.

389 visits Dec 24, 2025 Details

Opera Audio

operaudio.com

Manufacturers of vacuum tubes single-ended class A amplifiers.

402 visits Feb 21, 2024 Details

Pacific Creek

pacificcreek.com

Manufacturer and distributor of vacuum tube audio amplifiers. USA.

133 visits Aug 19, 2024 Details

Palette Amps

paletteamps.com

Hand made guitar amplifier cabinets. USA.

129 visits Aug 29, 2024 Details

Pathos

pathosacoustics.com

Manufacturer of valve integrated and monoblock amplifier.

274 visits Jan 11, 2023 Details

Placette Audio

placetteaudio.com

Preamps from Idaho built around heroically engineered volume controls.

91 visits Sep 21, 2025 Details

Power Modules

powermodules.com

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

84 visits Nov 4, 2025 Details

Quicksilver Audio

quicksilveraudio.com

Tube power and phono amplifiers and pre-amplifiers.

117 visits Dec 3, 2025 Details

Renaissance Audio Electronics

renaissanceaudio.com

Manufacturer of the tube Opus 1 amplifier.

26 visits May 23, 2024 Details

RobyattAudio

robyattaudio.com

Manufacturer of tube amplifiers, preamplifiers and loudspeaker.

294 visits Mar 23, 2025 Details

Rogue Audio

rogueaudio.com

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

400 visits Aug 24, 2025 Details

Sherbourn Technologies

sherbourn.com

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

287 visits Nov 23, 2025 Details

Amplification

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