A-A-59003/1, COMMERCIAL ITEM DESCRIPTION: AMPLIFIER-OSCILLATOR GROUP AN/SIA-114 (31-MAY-1995) [SUPERSEDING MIL-B-21577/1]

A-A-59003/1, COMMERCIAL ITEM DESCRIPTION: AMPLIFIER-OSCILLATOR GROUP AN/SIA-114 (31-MAY-1995) [SUPERSEDING MIL-B-21577/1]., This specification covers the detailed requirements for an audio amplifier Oscillator Group ASN/SIA-114 for general announcing systems circuit 1MC, and intership announcing systems, Circuit 6MC.