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. 
  • 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.