A professional who supervises and coordinates activities of workers engaged in pressing, audio-testing, and inspecting phonograph records. Respnsibilities include:

• Directs workers in setting up record presses.
• Examines records for defects, such as bubbles and dents and analyzes data compiled in audio-testing to determine cause of defects.
• Directs workers in changing record compound, ordering new dies, or cleaning dies to correct defects.
• Adjusts press controls to regulate water and steam pressure or length of process cycle, according to type of record compound.
• Performs other duties as described under supervisor master title.