TIL the Grateful Dead briefly toured with a PA system called the Wall Of Sound that consisted of six hundred and four speakers, channelling twenty-six thousand watts of power. It has been called “the greatest vessel for the amplification of sound in history”.


TIL the Grateful Dead briefly toured with a PA system called the Wall Of Sound that consisted of six hundred and four speakers, channelling twenty-six thousand watts of power. It has been called “the greatest vessel for the amplification of sound in history”. https://liveforlivemusic.com/news/grateful-dead-debut-wall-of-sound-cow-palace-on-this-day-1974/ Steve_Lobsen February 27, 2021 at 11:24AM

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