Model 555 as shown with short spindle (single play only), and 555ARC as shown with automatic record changer (taller) spindle.
Valves (5): 7S7, 7B7, 7C6, 7C5, 7Y4
Intermediate Frequency: 455kc/s
Frequency Bands: 1
Chassis Notes(most schematics can be clicked to download a full size version)