Category:MAVIS P.A.S. 30/30

References edit

• The Who's PA: Quadrophonic PA and MAVIS desk. Who tabs (thewho.net).
  "​Former Who Quadrophonic Mavis desk photos and information courtesy Kurt Schrotenboer.",
  "[Fig.6] Mavis (“Quadrophonic”) desk, and Heil rear surround PA speaker from back-of-hall setup (plus a Shure microphone), on display at the Rock and Roll Hall of Fame installation for Bob Heil.",
  "[Fig.7] Quadrophonic Mavis sound system mixer (plus a Shure microphone) on display at the Rock and Roll Hall of Fame installation for Bob Heil.",
  "Acquiring the system: The system was purchased from Bob Heil the summer of 1976. ... brochure of that system ...",
  "Final Mavis 30/30 P.A.S.: Bob Heil: / That Mavis was built for David Hartstone who had a sister company of ours … I.E.S. [International Entertainers Services] David ... "
• mavis P.A.S. 30/30 (brochure), London: Music Augmentation Voice & Instrument Systems Ltd., circa 1975
  date QS:P,+1975-00-00T00:00:00Z/9,P1480,Q5727902
  , page 1, 2, 3