The Philips F4Z37A was manufactured by Philips Electrical Industries of N.Z. Ltd in about 1967.
8-valve Hi-Z broadcast band stereogram with BSR UA15 record changer.
7-valve equivalent, circuit uses two rectifier valves instead of one.
Year is a guess based on valve lineup and printed circuit board use.
Possibly also released as model F4Z67A with different valves, see the service information on this page
Intermediate Frequency: 455kc/s
Frequency Bands: 1