COURTENAY MODEL 17 (1946)

The Courtenay model 17 was manufactured for Turnbull & Jones Ltd by Radio Corporation of New Zealand Ltd in 1946, production ran for 4 years.

One of the few post-1937 era sets by Radio Corporation of New Zealand that was released only as a Courtenay model with no Columbus version made.

Valves (5): 6SA7 or 6K8, 6SJ7, 6Q7, 6K6, 6X5

Intermediate Frequency: 455kc/s

Chassis Notes (most schematics can be clicked to download a full size version):

There were two different versions using two different mixer / osc valves - they break down by serial numbers as follows:

 

VALVE OSC COIL SERIAL #
6K8 R6519

65470 - 65600
F5601 - F5970
72951 - 73450

6SA7 R6535 77151 - 77650

This is a rare glimpse into factory serial numbers and the number of sets produced for a specific model - which is quite low when compared with the tens of thousands of a particular model made by companies like Philco in the U.S. of A... but not unduly out of proportion when taking into account our far smaller market.

Second release service info (first release with 6K8 mixer/osc will have slightly different circuitry surrounding it):

 

 

1946 Courtenay model 17 Schematic

1946 Courtenay model 17 Chassis

General Construction Notes for Radio Corporation of New Zealand Ltd: The first digit of the serial number typically indicates the year of manufacture of RCNZ chassis' (although not the decade - that requires a little knowledge of the valves, construction, etc). Sets from around 1934 onwards were often (but not always) constructed in a distinctive pressed 'baking pan' style chassis, seemingly unique to RCNZ.