MIL-DTL-24223D, DETAIL SPECIFICATION: LOUDSPEAKER, PERMANENT MAGNET, SHIPBOARD ANNOUNCING SYSTEMS (28-JAN-2014) [SUPERSEDING MIL-L-24223C]

MIL-DTL-24223D, DETAIL SPECIFICATION: LOUDSPEAKER, PERMANENT MAGNET, SHIPBOARD ANNOUNCING SYSTEMS (28-JAN-2014) [SUPERSEDING MIL-L-24223C]., 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.