Forty-eight MacIntosh MC-2300 amps producing 28,800 Watts of continuous RMS power (48 x 600) that drove 586 speakers and 54 tweeters. The bass rig had a separate amplifier and speaker array for each string! The Grateful Dead's 'Wall of Sound' didn't last very long, but it forever changed the way we listen to concerts.

Continue ReadingThe Grateful Dead's 'Wall of Sound' Helped Change Live Music Forever