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| Grateful Dead sound system | |
|---|---|
| Name | Grateful Dead sound system |
| Type | Concert sound reinforcement |
| Inventor | Grateful Dead |
| Designer | Owsley Stanley, Ron Wickersham, Bob Matthews, Dan Healy |
| Introduced | 1970s |
| Related | Wall of Sound |
Grateful Dead sound system The Grateful Dead sound system was a pioneering concert amplification and monitoring arrangement developed by members and associates of Grateful Dead (band), including engineers linked to Mickey Hart, Phil Lesh, Jerry Garcia, Bob Weir, Bill Kreutzmann, and collaborators such as Owsley Stanley, Dan Healy, Ron Wickersham, and Bob Matthews. It evolved through interactions with venues like Fillmore West, Aquarius Theatre, Winterland Ballroom, Madison Square Garden and events including Monterey Pop Festival, Woodstock, and the Summer Jam at Watkins Glen. The system influenced contemporaries and successors associated with companies and figures such as Soundcraft, WEM, McIntosh Laboratory, Electro-Voice, JBL, and Fender Musical Instruments Corporation.
Development began in the late 1960s when the band partnered with audio experimenters from Aurora Records, Alembic Inc., and independent builders tied to San Francisco Sound. Early milestones involved work at Fillmore Auditorium under the aegis of promoters like Bill Graham and recording engineers from Wilderness Studios and Pacific High Recording Studio. Key phases include prototype systems built during residencies at Winterland Ballroom and tours across venues such as Fillmore East, Capitol Theatre (Port Chester), and The Spectrum (arena), with continual refinement informed by inputs from technicians connected to National Public Radio, WNEW-FM, and academic labs at Stanford University and UC Berkeley. Collaborations with manufacturers like McIntosh Laboratory and Electro-Voice led to bespoke amplifiers and speaker arrays deployed during major events like the Grateful Dead (album) era and later in the 1970s tours that visited Portland Civic Auditorium and Boston Garden.
The architecture integrated custom speaker arrays, line arrays, horn-loaded compression drivers, dedicated subwoofer cabinets, and multiple amplifier stacks from vendors such as McIntosh Laboratory, Crown International, Quam-Nichols, and Dynaco. Signal routing employed consoles and mixing desks with lineage tracing to designs from Neve Electronics, API, and later modular systems resembling Soundcraft. Microphone selections included models associated with Shure Incorporated, Neumann, and Electro-Voice for vocal and instrument capture. Cabling and connectivity used standards from Belden and patching rigs inspired by studio facilities like Wally Heider Studios. Feedback suppression and equalization were handled with outboard gear paralleling units from dbx, Altec Lansing, and Pultec style topologies, while custom electronics were fabricated by artisans connected to Alembic Inc. and technical staff from Stanford Linear Accelerator Center for transient control and phase alignment.
The system emphasized naturalistic reproduction, phase-coherent arrays, and minimal monitor bleed, employing techniques developed alongside live engineers who later worked with acts like The Rolling Stones, Pink Floyd, Led Zeppelin, The Who, and sound companies such as Meyer Sound Laboratories and L-Acoustics. Engineers implemented multi-amp bridging, differential microphone techniques similar to practices at Abbey Road Studios, and in-ear monitoring precursors influenced by monitoring rigs used by Frank Zappa and Neil Young. Stage layout and speaker placement were coordinated with venue staff from halls including Radio City Music Hall and amphitheaters such as Hollywood Bowl to reduce comb filtering and deliver even coverage to sections like the floor, mezzanine, and balcony.
The Wall of Sound was a monumental configuration devised primarily by Owsley Stanley, Ron Wickersham, Dan Healy, and Mark Raizene for the 1974 tours, deployed at concert sites including Madison Square Garden, Cuyahoga County Fairgrounds (Wade Oval), and outdoor venues similar to those used by Monterey Pop Festival. It featured discrete signal paths, separate speaker clusters for vocals, guitars, bass, and piano, and innovations in speaker enclosure design reflecting work by fabricators associated with Alembic Inc. and cabinet makers who later contributed to PA systems for Bruce Springsteen and Tom Petty. The Wall influenced later large-format systems used by Pink Floyd and sound contractors such as Showco and TWF Systems.
Innovations included on-stage sound reinforcement minimizing monitor mixes, early adoption of line array concepts, and custom preamplifier and limiter circuits that presaged designs used at Abbey Road Studios, by Bill Putnam Jr., and in signal chains adopted by Fleetwood Mac production teams. The Dead’s approach shaped rental houses and touring rigs associated with Front of House (FOH) engineers who later served acts like U2 and R.E.M., and influenced manufacturers such as Meyer Sound Laboratories, JBL Professional, Electro-Voice, and boutique designers connected to Alembic Inc. The ethos carried forward into archival release projects overseen by David Lemieux and catalog preservation efforts similar to practices at Library of Congress and Smithsonian Institution.
Significant deployments occurred during the 1972 Europe tour, the 1973-1974 arena and outdoor tours, and specific residencies at Winterland Ballroom, Fillmore East, and landmark appearances at festivals comparable to Woodstock and Isle of Wight Festival 1970. Installations were often adapted for regional venues like Red Rocks Amphitheatre, Great American Music Hall, Capitol Theatre (Port Chester), and stadium dates at sites such as Shea Stadium and Candlestick Park where coordination with venue engineering teams and promoters like Bill Graham Presents was critical.
Crew structure included front-of-house engineers, onstage monitors technicians, electricians, roadies, and system fabricators often drawn from circles that included Owsley Stanley associates, studio technicians from Pacific High Recording Studio, and apprentices who later worked with sound firms such as Showco and TWF Systems. Maintenance routines borrowed from practices at facilities like Wally Heider Studios and incorporated preventive protocols akin to those at McIntosh Laboratory and Electro-Voice service centers for amplifier cooling, speaker cone replacement, and transformer servicing. Organizational methods influenced union and non-union labor interactions at venues overseen by entities like Live Nation Entertainment predecessors and led to documented workflows that informed touring policies used by major acts.
Category:Live sound