Electronics Manufacturers: Phonostages & Step Up Transformers​:

  • Acoustic Signature - A German manufacturer of high-end turntables, tonearms, Moving Coil (MC) Cartridges, Phono Preamps and Record Weights and Clamps.  Acoustic Signa­ture was foun­ded in 1996 by designer Gunther Frohn­hoefer and his wife Jacqueline.
  • Ampsandsound - A small family business in Southern California that hand-builds Power Amplifiers, Headphone Amplifiers and a Step Up Transformer.  Their amplifier designs are born from a love for the legendary vacuum tube power amplifiers of midcentury America.
  • Audia Flight - An Italian company that designs and manufactures high quality home audio components.  The company manufactures solid-state Power Amps, Preamps, Integrated Amps, a Phono Preamp, CD players and SACD players.  It was founded in 1996 by Massimiliano Marzi and Andrea Nardini.
  • Audio Note UK - A UK-based company founded in 1991.  They are the largest European manufacturer of ultra-performance valve-based audio equipment.  Their products include electronics for both analogue and digital music.  Their analogue products include turntables, tonearms, cartridges and Step Up Transformers and a tube-based Phono Stage. 
  • Audio by Van Alstine - The company is located in Woodbury, MN and was founded by Frank Van Alstine in the 1980s.  They manufacture solid-state power amps & solid-state/vacuum tube hybrid preamps, A solid state Phono Preamp, digital preamps and a DAC. They are a direct-sales company.
  • ​Audio Research - A Minneapolis, Minnesota-based manufacturer of tube-based audiophile amps, preamps, integrated amps, 3 different Phono Stages and DACs.  The company was founded by Bill Johnson in 1970.
  • ​Boulder Amplifiers - A company located near Boulder, CO that has been building amplifiers since the mid-1980s. They started out building amps for pro audio applications in recording studios and moved into high-end audiophile stereo amps in the mid 1990s.  They have won numerous awards over the years, and their current line of products include solid-state Power Amps, Preamps, Integrated amps, Phono Preamps, a Preamp/DAC and DACs.
  • Bryston - A Canadian-based manufacturer of audiophile solid-state Power Amps, Preamps, Phono Stages, DACs, power isolation devices, Home Theater Amps and Preamps, and Loudspeakers (active, passive and wireless).
  • Cary Audio Design - A North Carolina-based manufacturer of highly-regarded vacuum tube Amplifiers, Preamplifiers, tube-based Phono Stage and CD players, as well as solid state Home Theater electronics.​
  • Chord Electronics - A British company that manufactures solid-state electronics including Streamers, Phono Stages, Upscalers, DACs (both standalone and mobile), Preamps, Power Amps and Integrated Amps.
  • ​Clearaudio Electronics - A German family-owned company that was founded in 1978 by Robert Suchy.  Clearaudio has become a byword for analogue precision in vinyl reproduction. They manufacture high-end Turntables, Tonearms, both moving magnet (MM) and moving coil (MC) cartridges, Record Cleaning Machines, Phono Preamps, a line of recordings on vinyl and CD, as well as a line of accessories.
  • Conrad-Johnson - A manufacturer of vacuum tube-based audiophile Power Amps, Preamps, Control Amps, Headphone Amps and Phono Preamps.  The company was founded in 1977 by Dr. William Conrad and Dr. Lewis Johnson.
  • Dan D'Agostino Master Audio Systems - A manufacturer of high-end audiophile solid-state fully-balanced electronics including Power Amps, Preamps, Integrated Amps and a Phono Stage.  The company is located in Cave Creek, AZ and was founded in 2011.
  • Elac - A manufacturer of reasonably priced electronics and loudspeakers, located in California.  They manufacture the Alchemy PPA-2 Phono Preamplifier.
  • Electrocompaniet A manufacturer of high-end audiophile electronics located in Norway, in business since 1973.  Their Classic Line includes the ECP 2 MkII Phono Stage.
  • Grandinote - An Italian company producing a line of audiophile loudspeakers and solid-state electronics. The company was founded by it's current CEO, Massimiliano Magri, an electronic engineer. The company's electronics use "Magnetosolid® Technology", which uses "tube amplifier schematics" with solid state devices. TheCelio Pre-Phono is their Phono Stage.
  • KitsuneHiFi (HoloAudio USA) - They strive to deliver the best hand picked audio gear, supplies and components for the Do It Yourselfer kind of person. Their HoloAudio USA division custom builds-to-order their electronics. They manufacture the KTE LC-1 Mk5/MK5S MC/MM/MI LCR RIAA Phono Stage.
  • Luxman - A Japanese company founded in 1925 that manufactures both vacuum tube-based and solid-state electronics for high-end, two channel home stereo systems. Their product line includes Power Amps, Preamps, Headphone Amps, Integrated Amps, CD players, SACD players, USB DACs, Phono Preamps, Turntables, a moving coil (MC) cartridge and cables. 
  • Nagra - A Swiss company located in the Lake Geneva area founded in 1951. Their Nagra Classic Phono is full tube Class A with a total of four triodes and features two inputs, one MC/MM and one MM.  Their HD Line includes the HD Phono.
  • Plinius Audio - New Zealand-based manufacturer of solid-state Power Amps, Integrated Amps, Preamps, a Phono Stage, a Digital Network Player, a CSD Player/Digital Network Player and a Net Audio Controller/Librarian/Music Player app that runs on an iPad. 
  • SOTA Turntables - SOTA Turntables was founded in 1979 manufacturing audiophile grade turntables in Oakland, CA.  In 2018 the company became Sota Sound Inventions and moved to Delavan, Wisconsin.  The company now also manufactures the Pyxi Phonostage.
  • Thorens - Originally a Swiss company, they moved to Germany in 2018.  They manufacture Turntables, Tonearms, Cartridges and Phono Stages.  They are primarily known for their Turntables.
  • Well Tempered Lab - A company dedicated to the analogue vinyl record, this company manufactures high-end audiophile Turntables, Tonearms, a Moving Magnet Phono Cartridge (MM), a Moving Coil Phono Cartridge (MC) and 3 different Phono Preamps.
  • Zesto Audio - Zesto Audio was founded by George and Carolyn Counnas in 2010 in Thousand Oaks, CA.  Zesto Audio is a manufacturer of fine analog audio electronics, specializing in vacuum tube technology for the audiophile market.  Their product line includes a step up transformer and  three different phonostages, as well as a  preamplifier and two high-powered amplifiers.