Ampex MM1200 Multichannel Recorder​/​Reproducer

The Ampex MM-1200 Multichannel Recorder/Reproducer provides up to 24 channels of audio recording/reproducing capability using one-inch or two-inch audio recording tape. The 8-channel version uses one-inch tape and the 16- and 24-channel versions use two-inch tape. The machine is capable of operating in any of three speeds; i.e., 7-1/2 in/s, 15 in/s and 30 in/s. When the associated PWA is properly strapped, any two adjacent speeds are front-panel selectable by means of a high/low speed switch. NA...