NZVRS Bulletin

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Columbus and Courtenay branded radios as produced by:

W. Marks Ltd (1931~1934)

Radio Corporation of New Zealand Ltd (1934~1956)

This is one of the lists compiled by John Stokes during his research into the history of New Zealand radio.

Any feedback, updates and additional information is always appreciated.

Courtenay brand from 1931~1935

Model	Year	Valves	Remarks

5A	1932	5	Autodyne superhet
5B	1932	5	Autodyne superhet
5B1	1935	5	Battery superhet
5BS	1935	5	Battery superhet
5C	1933	5	Autodyne superhet
5C	1933	6	"Improved" with separate oscillator
5D	1935	5	"Stella" brand only
5DC	1934	4	DC mains (eg Auckland Central) superhet
5H	1934	5	"Troubadour" brand only
5V	1934	5	"Radioplayer" brand only
6	1931	3	TRF with separate speaker
6A	1934	6	"Stella" brand only
6BS	1933	6	Battery superhet
6DC	1934	5	DC mains (eg Auckland Central) superhet
6V	1934	6	"Troubadour" brand only
7A	1932	7	TRF with diode detector
7BD	1935	7	Dual wave, battery set
7BS	1934	7	Battery superhet
7B1	1935	7	Battery set (465 kHz IF)
8	1935	6	Dual wave
8A	1932?
10	1935	2	SW Converter
11	1935	7	DW with two IF stages
15	1935	5
66	1932	4	TRF, mantle set
103	1933	5	same as 5C
104	1934	5	like 5C but with improved volume control
105	1934	5	Has AVC
106	1931	6	TRF, console
106	1933	6	Superhet with AVC
107	1934	7	Has NSC, two arc dials
108	1934	6	First DW, first aero dial
109	1934	5	same as 108
140	1933	7	separate oscillator
205	1933	5	same as 105
206	1931	6	TRF, console
207	1933	6	same as 107
306	1931	6	TRF, console radiogram

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Columbus & Courtenay brands

Model	Year	Valves	Remarks

4	1952	4	Alarm clock model
5A	1951
5	1953	5
5B	1953	5
5B6	1936	5	Battery set
6	1946	5	Columbus brand only
MC7	1948	5	Car radio
MC8	1951		Car radio
7B6	1936	7	DW, battery set
7BV	1936	7	DW, Vibrator set
10	1935	2	SW converter
12	1941	5
12A	1941	5
14	1947-48	5
14R	1945-48	5	uses oscillator bias
15	1936	5
17	1946-47	5	Courtenay brand only
17	1948-49	5	Courtenay brand only (uses 6SA7)
18	1936	6	DW
18DC	1936	5	DC mains version
19	1951	5	Table-gram
19N	1952	5	Table-gram
19P	1952	5	Table-gram
21	1936	5	DW metal valves
22	1940	5
O22	1941	5
23	??
24	1937	5
24E	1937	5+	has magic eye tuning indicator
25	1937	5	DW
25E	1937	5+	has magic eye tuning indicator
26N	1952	5
26P	1954	5	has PM speaker
27	1948	5
27M	1951	5	Miniature valves
28	1951	5	DW vibrator set
31	1936	7	DW
32	1948	6
O32	1950	6	DW
33	1936	8	AW metal valves
33G32	1936	8	AW has 32 volt motor generator
34	1947	5+	AW has magic eye tuning indicator
35	1938	5+	DW has magic eye tuning indicator
35	1939	5+	DW with Octal valves
38	1937	6+	AW uses spiral dial
39	1937	5	DW
40	1939	5	same as 49
40S	1939	5
42	1942	5	vibrator set
43	1937	8+	AW metal valves
44	1948	7+	semi-bandspread
45	1954	5	the last Courtenay model
46	1954	5	DW
47	1937	13	AW with separate audio amplifier
49	1939	5	Battery set
50	1940	5
51	1940	5
O51	1940	5	uses Osram valves
52S	1940	5	DW with semi-bandspread
O52	1940	5	DW uses Osram valves
53A	1946	5
53R	1947	5
53S	1947	5
54	1939	5+	push buttons
55	1946	5	DW
55A	1946	5	DW
56	1940	5	DW same as 52S
O56	1940	5	DW uses Osram valves
57B	1937	5	Battery set
57V	1937	5	vibrator set
58V	1938	5+	vibrator set
59	1939	5	DW battery set
60	1939	5+	push buttons
61	1947	6	DW uses PM speaker
O61	1950	6	DW uses Osram valves
X62	1940	6	DW
62S	1940	6	DW
63	1940	5	AW semi-bandspread
64	1940	6+	DW
65	1939	6+	DW push buttons
66	1941	6	DW
66E	1941	6	DW
66A	1946	6	DW
66W	1946	6	DW
67B	1937	6+	DW battery set
68V	1938	6+	DW vibrator set
69	1941	6	BS vibrator set
70	1947	6	BS vibrator set
70R	1948	6	BS vibrator set
70W	1948	6	BS vibrator set
71	1949	6	BS
75	1940	6+	BS full bandspread
75A	1941	6+	BS full bandspread
75L	1941	6+	BS full bandspread
75XA	1940	10+	BS with separate audio amp
77B	1937	7+	AW battery set
79	1939	7+	DW push button battery set
80	1940	7+	DW battery set
84	1938	5
84E	1938	5+	has magic eye
85	1938	5	DW
85E	1938	5+	DW with magic eye
86	1941	6	BS battery set
86P	1941	6+	BS non-octal valves
87	1939	5	AC/Vibrator set
88	1939	8+	AW motorised push buttons
90	1942	6+	BS
90W	1947	6+	BS
90X	1949	6+	BS
91	1950	7+	BS
91P	1954	7+	BS, uses PM speaker
91R	1955	8+	BS - last model
92	1954	6+	BS uses oval speaker
94	1940	5
95	1939	5	DW
96	1949	6+	BS vibrator set
97	1937	6	AC/Vibrator set
99	1946	12+	uses push pull 807s output
100	1941	5	first portable
101	1941	5	portable
102	1940	5+	DW battery set
132	??
151	1940	5
152	1940	5	DW
161	??
162	1939	5
163	??
166	1949	6	DW Octal valves
166S	1949	6	DW Octal valves
166M	1952	6	DW Mini valves
166N	1952	6	DW Mini valves
166P	1953	6	DW uses PM speaker
167	??
172	1940	6	DW Push button
173	1940	6	DW Slide rule dial
199	1946	12+	same as 99
201	1941	5	portable
301	1947	5	portable
301A	1947	5	portable
402	1948	6	first AC/Battery
402	1948	5	uses 3Q5GT
402Z	1952	5	uses mini valves
501A	1955	5	gramophone
501B	1957	5	gramophone
502	1952		AC/Battery
504	1955	5
505	??
509	1959	5	Stereogram
515	1957	5
521	1955	5	gramophone
525A	1960	5
563	1955	5	Alarm clock
565C	1955	5	also Radiola brand
566	1958	5	DW has oval speaker
589P	1959	5	portable gramophone
601	1957	6
602	1957	6	DW
605	1957	5+	uses EM80 magic eye
605A	1958	5+	console gramophone
606	1956	6	4 bands, AWA version
607	1957	6	dual speakers
619S	1959	6	Stereogram
653	1955	5+	AC/Battery set, AWA design
705	1957	6+	uses EM80 magic eye
708	1959	8+	uses EM80 magic eye
809S	1959	6+	Stereogram
810S	1958	7	DW Mono gramophone
810S	1959	7+	DW Stereogram
812S	1959	7+	DW Stereogram
827	??
1006	1956	6	same as 606
1108	1957	6+	tuner and amplifier
1108S	1959		Stereo version
1302	1959	11+	uses push pull 807s output
1508S	1959		uses AT1 tuner
AS101	1959	1	pre-amplifier
AT1S	1959	5+	stereo tuner
AT1	1959	6+	mono tuner
RG11	1960	5	stereo, manufactured by Akrad

Courtenay Transistor portable radios

Model	Year	Transistors	Remarks

117P	1959	7	AWA design
117Y	1959	7	AWA design
694P	1959	7	AWA design
897P	1958	7	AWA design
CP2	1960	7	same as PYE PZ129

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