 The mix position was at the side of the stage, a less-than-optimal but common configuration at the time because of cabling limitations.Meagher Electronics, known for supporting the Monterey Jazz Festival in the 1960s, supplied additional audio equipment and personnel including electronics technician Charlie Richmond, who observed that the rock festival pushed the sound gear much harder than the jazz festival.Both McCune and Meagher were Altec dealers, so Jacob combined their inventory to create a loudspeaker array appropriate for the Monterey County Fairgrounds main stage.