Capitol Studios 8 Trapezoidal Chambers Space All Partitions Are Thick ConcreteTrapezoidal ShapeDesigned with Input from None Other Than Les Paul Loudspeakers Various, includingAltec Voice of the Theatre Microphones Various, includingRCA 44BXShure SM81 CapBldg Capitol Records Building CapChamberDoors Chamber Doors CapConstruction Chamber Construction CapitolChamber Capital Chamber