PA

1. Short for Public Address. Referring to PA systems found commonly in theaters or public areas where audio needs to be broadcast to a large audience.

2. Abbr. for Production Assistant, a job title that can involve anything from calling a show to fetching coffee.

3. Production Advantage, Inc. Website. A theatre supplies vendor in Williston, VT that does primarily online sales and is a favorite of many Control Booth members.

4. Production Arts, an NYC lighting company from 1971 until 1998, when it was purchased by Production Resource Group (PRG).