MIL-L-24223C, MILITARY SPECIFICATION: LOUDSPEAKER, PERMANENT MAGNET, SHIPBOARD ANNOUNCING SYSTEMS (22-OCT-1986) [S/S BY MIL-DTL-24223D]
MIL-L-24223C, MILITARY SPECIFICATION: LOUDSPEAKER, PERMANENT MAGNET, SHIPBOARD ANNOUNCING SYSTEMS (22-OCT-1986) [S/S BY MIL-DTL-24223D]., This specification covers permanent magnet loudspeakers, with enclosure, for use in 70-volt and 95-volt distribution systems on Naval ships as components of shipboard announcing systems.