Meyer Sound Laboratories

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Meyer Sound Laboratories
Professional Audio Manufacturer
Industry Professional Audio
Founded 1979
Headquarters Berkeley, CA, United States
Key people
John & Helen Meyer, Founders
Products Loudspeakers, Digital Audio Systems, Audio Analysis Tools

Meyer Sound Laboratories is an American company based in Berkeley, California that manufactures self-powered loudspeakers, multichannel audio show control systems, electroacoustic architecture, and audio analysis tools for the professional sound reinforcement, fixed installation, and sound recording industries.

The company’s emphasis on research and measurement has resulted in the issuance of dozens of patents, including for the now-standard trapezoidal loudspeaker cabinet shape.[1][2] Meyer Sound has pioneered other technologies that have become standard in the audio industry, including: processor-controlled loudspeaker systems, self-powered loudspeakers,[3][4] curvilinear arraying, cardioid subwoofers, and source independent measurement.

Meyer Sound has consistently involved itself with advanced research beyond that connected to immediate product development, sometimes in conjunction with arms of the University of California, Berkeley. Some of this research has resulted in unusual products such as their parabolic sound beam and sound field synthesis loudspeakers. Other projects, such as the spherical loudspeaker research underway by Meyer Sound and CNMAT (Center for New Music and Audio Technologies) at UC Berkeley[5] are still in the stage of pure research.


In 1979, John and Helen Meyer established Meyer Sound to produce reliable high-fidelity products for sound reinforcement professionals. Meyer Sound’s first product was the ACD/John Meyer studio monitor, based on a design Meyer developed while heading the acoustics laboratory at the Institute for Advanced Musical Studies in Switzerland.[6]

A demonstration of the ACD system led to Meyer Sound creating a subwoofer for film director Francis Ford Coppola’s use with the custom, quadraphonic sound system that toured with the original 70 mm release of “Apocalypse Now.”[7] This was the first loudspeaker to use a dedicated processing unit to provide crossover, amplitude and phase correction, along with driver protection.

Also in 1979, the company developed the UM-1 UltraMonitor, which led to a long association with the band Grateful Dead.[8] As the band was very experimental, this relationship resulted in opportunities for John Meyer to try out new ideas for the then-emerging field of high-powered sound reinforcement in real-world applications.

The UltraMonitor was the first product to employ a new, patented horn loudspeaker design that reduced distortion by a factor of ten compared to previous designs. This patent was the first of more than three dozen issued to the company since its founding.

In 1980, at the behest of Broadway sound designer Abe Jacob, Meyer Sound repackaged the technology of the UltraMonitor into the UPA-1.[9] This loudspeaker had an immediate impact on theatrical sound, but was also notable for its introduction of the trapezoidal cabinet shape, which enabled the construction of curved arrays (flat-front arrays, in common use at the time, result in substantial destructive interference). A patent was issued for this innovation. The UPA-1 was an inaugural inductee into the TECnology Hall of Fame.[10]

Meyer Sound pioneered high-level loudspeaker arrays with the release of the huge MSL-10 in 1981,[11] followed by the MSL-3, a single cabinet (essentially a “slice” of an MSL-10) configurable into arrays of nearly any size.

Expanding on the appearance of real-time, dual FFT analyzers, Meyer Sound introduced source independent measurement (SIM) in 1984. SIM allowed sound system operators to use music itself as a test source for the first time, enabling continuous sound system correction over the course of a performance.[12][13] SIM System II, the second generation of this technology (and the first version practical for widespread field use), won an R&D 100 Award (awarded for the 100 best engineering feats in any field worldwide) in 1992,[14] in addition to the TEC award the original system received in 1986.

Meyer Sound broke new ground when it introduced the HD-1 studio monitor, a fully integrated self-powered loudspeaker, in 1989. The HD-1 won at the TEC Awards in 1990 in the Transducer Technology category.[15]

The release of the MSL-4 in 1994 marked the beginning of Meyer Sound’s production of self-powered loudspeaker systems for high-level sound reinforcement, and, over the following years, the company converted their entire loudspeaker product line into self-powered systems.[16]

Meyer Sound Laboratories has participated and been featured in several episodes of the Discovery Channel series “MythBusters” involving sound. As a result, Meyer Sound acoustician Roger Schwenke has become an "honorary" member of the MythBusters team.

The first MythBusters episode involving the company was “busting” the myth that a duck's quack will not echo. The second time was the infamous “Brown Note” episode, which explored the myth that a person subjected to high levels of very low-frequency sound could experience “involuntary intestinal motility." In the course of busting this myth, John Meyer became interested in the physical aspect of transmission of very low frequencies.

This, combined with Meyer Sound’s involvement with several revivals of the Sensurround motion picture system, directly influenced the design of the Pearson Theatre (named for sound reinforcement pioneer and longtime Meyer Sound associate Don Pearson) at Meyer Sound’s headquarters. The theatre was designed by Berkeley-based architects Marcy Wong and Donn Logan [1] and has received an Architecture Merit award from the United States Institute for Theatre Technology (USITT) in 2008[17] and a citation award from the San Francisco chapter of the American Institute of Architects in 2009.[18] The Pearson Theatre is notable for its exceptional low-frequency performance, cutting-edge video and audio technologies, multipurpose design, and experimental capabilities.[19]

Three other MythBusters episodes involving sound tested the myths that a glass could be shattered by sound alone (confirmed), that a candle flame could be extinguished by sound alone (confirmed),[20] and that an SKS rifle could be made to fire by subjecting it to massive quantities of very low frequencies from a subwoofer (busted).

In 2005, Meyer Sound acquired LCS Audio and launched its LCS Series of digital audio products. The first new development by Meyer Sound of LCS technology was Constellation electroacoustic architecture, launched in 2006. Constellation is based on the VRAS (Variable Room Acoustic System) technology first developed and patented by Dr. Mark Poletti of Industrial Research Limited.[21][22] D-Mitri, a next-generation engine for the LCS Series, was introduced in 2009.

In 2008, the USITT presented Meyer Sound founders John and Helen Meyer with the Harold Burris-Meyer Distinguished Career in Sound Design Award.[23] Also in that year, the John and Helen Meyer Scholarship was established in conjunction with the Escuela Superior Andaluza de Medios Audiovisuales (Superior School for AudioVisual Media) in Andalusia, Spain, and awarded to five students.[24][25]

Meyer Sound also began making loudspeakers for cinema applications in 2009.

Milestones and Awards[edit]

  • 1979: Meyer Sound Laboratories founded.
    "Horn Loudspeaker and Method for Producing Low Distortion Sound" patent granted.
    Introduced first dedicated loudspeaker processor.
  • 1980: "Trapezoidal Loudspeaker Cabinet" patent granted.
    The Meyer Sound UPA-1 introduced as the first commercial trapezoidal loudspeaker.
  • 1984: Source Independent Measurement (SIM) system introduced.
    "Circuit and Method for Correcting Distortion in Digital Audio Systems" patent granted.
  • 1985: Audio Engineering Society (AES) awards Fellowship to John Meyer
  • 1986: Technical Excellence and Creativity (TEC) award for Outstanding Technical Achievement, Acoustics Technology given to SIM (Source Independent Measurement)
  • 1989: HD-1 High Definition Audio Monitor introduced.
  • 1990: TEC award for Outstanding Technical Achievement, Transducer Technology given to HD-1 studio monitor
  • 1992: R&D 100 Award given to SIM System II
  • 1993: "Correction Circuit and Method for Improving the Transient Behavior of a Two-Way Loudspeaker System" patents granted.
  • 1995: "MSL-4 Self-Powered Loudspeaker System" patent granted.
    Lighting Dimension International Sound Product of the Year award given to the Self-Powered Series of loudspeakers
  • 1996: "Improved Loudspeaker Horn" patent granted.
    First used in CQ-1 and CQ-2 loudspeakers
    "MTS-4A Full-Range Main Loudspeaker" patent granted.
    Theatre Crafts International Sound Product of the Year award given to UPA-1P and UPA-2P
  • 1997: "SB-1 Parabolic Long-Throw Sound Beam" patent granted.
  • 1998: PSW-6 High-Power Cardioid Subwoofer introduced
  • 1999: AES awards Citation to Helen Meyer
    TEC award for Outstanding Technical Achievement, Sound Reinforcement Loudspeaker Technology given to PSW-6 subwoofer
  • 2000:UPM-1P Ultracompact Wide Coverage Loudspeaker introduced
    X-10 High Resolution Linear Control Room Monitor introduced
    TEC award for Outstanding Technical Achievement, Sound Reinforcement Loudspeaker Technology given to UPM-1P
  • 2001:M3D Line Array Loudspeaker with Broadband Q
    EDDY Sound Product of the Year award given to UPM-2P
  • 2002:M2D and M1D Curvilinear Array Loudspeakers
  • 2003:MILO High-Power Curvilinear Array Loudspeaker
    Producción Profesional & Producción Audio Award (Spain) for Best Sound Reinforcement Product given to M3D
    EDDY Sound Product of the Year given to M1D and M2D
    Meyer Sound First Appears on MythBusters
  • 2004:"Manifold for a Horn Loudspeaker (REM)" patent granted.
    "Interconnectable Rigging System for Loudspeakers and Rigging Frames" patent granted.
    Mipa award for best Large Format PA System given to MILO
    EDDY Sound Product of the Year given to UPJ-1P
    TEC award for Outstanding Technical Achievement, Sound Reinforcement Loudspeaker Technology given to MILO
    Parnelli Award for Lifetime Achievement given to John Meyer
  • 2005:"U.S. Patent Issued for Meyer Sound MAPP Online Method" patent granted[26]
  • 2006:Mipa award for best Large Format PA System given to MICA
  • 2007:Mipa award for best Large Format PA System given to M’elodie
    AES presents Silver Medal to John Meyer
  • 2008:TEC award for Outstanding Technical Achievement, Sound Reinforcement Loudspeaker Technology given to UPJunior
    USITT recognizes Pearson Theatre with an Architecture Merit award
    East Bay Business Times declares Helen Meyer a Woman of Distinction
  • 2009:Mipa award for best PA System given to UPQ-1P
    USITT presents John and Helen Meyer with Harold Burris-Meyer Distinguished Career in Sound Design Award
    UPQ series wins Loudspeaker Product of the Year from Live Design
    American Institute of Architects gives a citation award to the Pearson Theatre
    SB-3F sound field synthesis loudspeaker is awarded System Contractor News' award for Most Innovative Loudspeaker for Commercial Installation

TEC award for Outstanding Technical Achievement, Sound Reinforcement Loudspeaker Technology given to UPQ JM-1P and UP-4XP Win WFX New Product Awards


Meyer Sound specializes in self-powered loudspeakers, digital audio systems, and audio analysis tools.

  • JM Series
  • M Series
  • Concert Series
  • UltraSeries
  • Studio Series
  • Industrial Series
  • EXP Series
  • Digital Audio Systems
  • LCS Series

These include the Matrix3 (to be replaced by the D-Mitri platform) and Constellation electroacoustic architecture.

Processor and Drive Systems

These include Galileo, Meyer Sound's loudspeaker management system, as well as line drivers and equalizers.

Audio Analysis Tools

These include MAPP Online Pro, SIM, and RMS.


Meyer Sound's VEAM connector combines AC power, audio and RMS data into one environmentally sealed multipin connector.


  1. ^
  2. ^ United States Patent and Trademark Office - Meyer Sound patents
  3. ^ "Necessity Mothers Invention" Maureen Droney, Mix magazine, Nov 2004
  4. ^ Pioneering Self-Powered Loudspeakers for Over 11 Years
  5. ^ UC Berkeley, Research. Spherical Loudspeaker Array
  6. ^ Mel Lambert interview with John Meyer, Mix magazine, January 1997
  7. ^ “Grateful Dead Gear,” Blair Jackson, Backbeat Books 2006, pp 205
  8. ^ “Grateful Dead Gear,” ibid, pp. 12, 204, 218
  9. ^ "Meyer Sound Laboratories, Inc. and Theatrical Sound Design" Live Design, September 2007
  10. ^ Mix Foundation, TECnology Hall of Fame 2004 inductees
  11. ^ Mel Lambert interview, ibid.
  12. ^ "Equalization Using Voice and Music as the Source" (AES 76th Convention Preprint 2150 I-8, 1984)
  13. ^ "Precision Transfer Function Measurements Using Program Material as the Excitation Signal" (Proceedings of the AES 11th International Conference, Audio Test and Measurement, 1992)
  14. ^ R&D 100 Archives, 1992
  15. ^ Mix Foundation. 1990 TEC Awards
  16. ^ Pioneering Self-Powered Loudspeakers, ibid.
  17. ^ USITT to Recognize Six Significant Theatres, USITT _News and Notices
  18. ^ American Institute of Architects website 2009 Design Awards
  19. ^ "The Buzz: Install of the Month: Pearson Theatre Berkeley, Calif", Sound & Video Contractor, May 2006
  20. ^ Meyer Sound Helps Mythbusters Master Flame in April 11 Episode
  21. ^ The Philosophy of the Variable Room Acoustics System - Mark Poletti, Industrial Research Ltd.
  22. ^ “The Performance of Multichannel Sound Systems” – doctoral thesis, M. A. Poletti, University of Auckland, 1999
  23. ^ Meyer Sound Co-Founders Receive Award, ProAV Online 28May2008
  24. ^
  25. ^ Meyer Sound announces Scholarship in Spain, L&Si Online
  26. ^ Meyer Sound - A History of Innovation

External links[edit]