Audio/visual audio visual video audio/visual/video bear audio/video stage staging lighting lamp projector overhead slide video data video/data data/video vcr videocassette projection camcorder camera tripod screen fastfold fast fold front rear surface dissolve opaque 16mm film laser disc cd player monitor television parts bexar san antonio sound system speaker amplifier amp mic microphone  monitor/vcr follow spot spotlight par shakespeare truss podium cassette recorder reel to reel lavalier hand held hand-held skirting skirt safelock dalite dal-lite draper rca thomson proscan installation jbl mackie mixer parts service 3m dukane sony recording sanyo apollo install rent sale stacker rental show meeting vga svga xga eon scan converter convention services labor support teleprompter scenic draping eaw concert convention services repair hotel  multimedia multi-media multi media powerpoint presentation power point teleprompting lectern business rigging exhibit tv production wireless lavalier eq equalizer exhibitor services part ge pipe recording convention lcd sales rental rentals service repair maintenance phantom power omnidirectional unidirectional bidirectional calibration boardroom church house of worship auditorium assembly hall public address presentation convention conventions meeting planner specialists specialist duplicaiton elmo eiki beseler fresnel long throw wide angle podium electret large venue