Audio Equipment Manufacturers

  • Accent Speaker Technology Ltd. (Nola) - Manufacturer of Nola speakers (formerly Alon).
  • Atma-sphere - World's premiere OTL and triode amplifier manufacturer using a Balanced Differential Design®.  Located in St. Paul, MN.
  • Audio by Van Alstine -Manufacturer of solid state amps & preamps.
  • Audio Machine & Design - Audiopoints equipment racks and stands, Sonoran audio cabling, & Harmonic Precision amps & speakers. 
  • Audio Tools - A great site with links to manufacturers categorized by types of equipment. 
  •  Black Dahlia - Dick Olsher's site and home of Samadhi speakers and his wife Leslie's recordings.
  • Cary Audio Design - A North Carolina-based manufacturer of highly-regarded tube amplifiers, preamplifiers and CD players, as well as solid state Home Theater electronics.
  • Cruz (Digital Amps) - Manufacturer of “not from this world” Class-D digital amplifier designs.
  • Daedalus Audio - A Washington-based company that manufactures audiophile speaker and Home Theater speaker systems.
  • DaVinci Audio - Swiss manufacturer of single ended tube amplifiers, preamplifiers and speakers.
  • Decware - Small, direct sales manufacturer from Peoria, IL that produces the Zen line of vacuum tube-based preamps & amplifiers.
  • D+S Sound Labs - Home theater speaker system manufacturer in Florida.
  • Empirical Design - A company from Oregon that manufactures high-end audio analog and digital interconnects, speaker and power cables, and computer cables. They sell primarily to end users over the Internet. They also recently started modifying audio components. Their modifications include improving power delivery, signal paths and digital circuitry where applicable. They modify mostly DVD & CD players, DACs and solid-state amplifiers.
  • eXemplar audio - A company that build tube electronics, offers modification services to upgrade and enhance virtually any tube audio equipment, does custom designs and is the factory authorized agent for assembly of all Bottlehead products.
  • Joule Electra - Manufacturer from South Carolina, specializing in handcrafted, high-performance vacuum tube preamps & OTL amplifiers.
  • Manley Labs - Home of Manley all-tube and Langevin home and professional audio gear.
  • Martin Logan - Manufacturer of mostly electrostatic high-end stereo and home theater speaker systems.
  • Modwright, LLC - A Washington-based company that specializes in modifications to stock audio electronics, giving the audio enthusiast and audiophile cost-effective upgrade solutions.
  • Music Direct - Chicago-based catalog business specializing in audiophile recordings, accessories as well as analog and digital hardware.
  • NuForce - A Milpitas, CA based manufacturer of high bandwidth (20 to 50,000 Hz), low distortion Analog Switching Amplifiers and preamps for high-end audio and Home Theater systems.  
  • Ohm Speakers - Online only sales of speakers employing the legendary Ohm Walsh driver.
  • PHY-HP - French company selling speaker drive units, cables and connecters.
  • Reimer Speaker Systems - Small manufacturer of highly-regarded individually hand-built audiophile speaker systems based in Cody, Wyoming.
  • Response Audio - Manufacturer of tube preamps.
  • Ridge Street Audio Designs - A company based in LaPorte, IN specializing in high resolution, reference audio cabling. Now also producing the Sason Ltd. Granite loudspeakers.
  • SAS Audio Labs - A manufacturer of tube amps and preamps.
  • Sound Lab - A manufacturer of electrostatic loudspeaker systems.
  • VTL Amplifiers, Inc. - High end manufacturer of tube electronics based in Cino, CA.  Their equipment is handmade in  the USA.
  • Van L SpeakerWorks - A local, Chicago-based manufacturer of speakers using a crossfeed ambience enhancement system.
  • Von Schweikert - A manufacturer of speakers.
  • ZU Audio - Manufacturer based in Ogden, Utah, specializing in high-performance speaker, interconnect power and headphone cables, as well as several highly rated speaker systems.