This 363 is fully functional and in great condition. Comes with x2 350 modules.
The Dolby Model 363 is the first unit to ofer Dolby SR Spectral Recording and Dolby A-type noise reduction in switchable form. The Dolby 363 is a two-channel signal processing unit designed to accept modules providing either A-type noise reduction or SR Spectral Recording processing, or a combination of the two. The unit can operate with a mixture of module types, or with only a single module installed.