A-A-59003/2, COMMERCIAL ITEM DESCRIPTION: AMPLIFIER-CONTROL GROUP AN/SIA-115 (31-MAY-1995) [SUPERSEDING MIL-B-21577/2]

A-A-59003/2, COMMERCIAL ITEM DESCRIPTION: AMPLIFIER-CONTROL GROUP AN/SIA-115 (31-MAY-1995) [SUPERSEDING MIL-B-21577/2]., This specification covers the detailed requirements for an audio frequency amplifier-control group AN/SIA-115 for general announcing system, Circuit 1MC.