The Grateful Dead’s Wall of Sound Made a Crowd Whisper

On March 23, 1974, a critic caught himself whispering at a Grateful Dead concert. The Wall of Sound was so clean that 14,000 people could hold a conversation while the band played.

Everyone tells the Grateful Dead’s Wall of Sound the same way: 600 speakers, 28,000 watts, dozens of McIntosh amplifiers, 75 tons, four semi-trailers. Owsley “Bear” Stanley and the band’s own shop, Alembic, spent five years building it after Bear insisted the P.A. belong behind the band instead of pointed at the crowd. Ron Wickersham, Rick Turner, and John Curl engineered gear with no blueprint and no precedent. But the engineering was the easy part.

The hard part was introduction. How do you make an audience want, and then actually hear, a machine that has no frame of reference? The March 1974 Cow Palace debut was billed cautiously as “The Sound Test.” Covering it, John Wasserman of the San Francisco Chronicle quoted the cost at $100,000, then $200,000, then $350,000 across eight days. Speaker counts ran 600, then 604, then 640, depending on who you asked. Dan Healy fed him the real base figure. Dennis McNally called the rig “an electronic sculpture.” Robert Greenfield reached for science fiction. Blair Jackson later documented the Bay Area fans who dismissed the whole thing as a sellout. Nobody had the words.

What finally landed came through the music, not the press. David Gans, a young Deadhead at the Cow Palace that night, described the bridge of “China Cat Sunflower” doing something no P.A. had done before. Wasserman’s own proof was simpler: he was whispering. The Wall of Sound ran barely seven months, March through October 1974, before roughly $100,000 a month in overhead retired it into the band’s hiatus. Even the name was borrowed, most likely from Wasserman or a Chronicle headline, lifted from Phil Spector’s studio technique a decade earlier. It did not fully catch on for years. A 1976 db Magazine piece co-written by engineer Ron Wickersham still called it a “sound wall.” The word won. The machine lost.

Chapters

• 0:00 A Critic Whispering at a Rock Concert
• 1:13 Why the Engineering Story Misses the Point
• 1:35 The Real Problem Was Introduction
• 1:59 Owsley Put the Speakers Behind the Band
• 2:42 Alembic Builds the Impossible Machine
• 3:31 The Numbers That Would Not Hold Still
• 4:19 An Electronic Sculpture Nobody Could Name
• 5:42 What David Gans Heard That Night
• 7:04 Seven Months, Seventy-Five Tons, Then Gone
• 9:56 The Name Borrowed From Phil Spector

Sources

• https://theshakedownarchives.com/observatory
• https://archive.org/details/gd1974-03-23.sbd.clugston-orf.1995.sbeok.shnf
• https://www.dead.net/show/march-23-1974
• https://us.macmillan.com/books/9781250319678/loudandclear/
• https://relix.com/articles/detail/loud-and-clear-a-new-look-at-the-grateful-deads-epic-wall-of-sound/
• https://www.mixonline.com/live-sound/writing-on-the-wall-of-sound-grateful-dead

Watch the full documentary: https://www.youtube.com/watch?v=hSMPJtJAy2Q