Apollo Command Module (Block II) Audio Center Equipment Assembly, measuring approximately 5″ x 9″ x 5″, with a tag on the end reading: "Audio Center Equipment, NAA S&ID PN ME 473 0086 0005…Contract No. NAS9-150, Date of Mfr. 5 Aug 66, Collins Radio Co. PN 514 0056 012, Mfd by Collins Radio Co. for the Apollo Spacecraft, Serial No. 026728110010." The top of the unit is marked "C28-1A110," with connectors marked "J1" through "J3." The case features several inspection stamps and an assembly number. In very good to fine condition.
The ACE enabled communications among astronauts, between astronauts and launch personnel, and post-landing recovery frogmen; via the external communications links (Unified S-Band and VHF) to JSC Houston and the Lunar Module, as well as routing of audio to the Data Storage Equipment (DSE) for recording of audio signals.
From The Peter Gerry Collection.
