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USA: Radio Catalog for the radio manufacturer National Company; Cambridge & Malden (MA)

Choose the only.

Model	Year	Category	Tubes	Pictures			Forum	Coll.Pr.
SCR-2	1944/45 ?	Commercial Re	9	1
World Master NC-88	1953–56	Amateur-R	9 - 6BA6	14		1S
World Master NC-88SW	1953–56 ?	Amateur-R	9 - 6BA6
HRO [Var. 2 (according to Moore)]	1935/36 ?	Commercial Re	9 - 6D6	9				$
HRO Prototype [1.0 modified]	1935 ?	Commercial Re	9 - 58	10
R-106 / HRO	1944/45 ?	Mil Re	9 - 6D6	2
HRO-S [Prototype]	1934 ?	Commercial Re	10 - 58	4
NC-46	1945–48	Commercial Re	10 - 6K8	7		12S
NC-80X	1937/38	Commercial Re	10 - 6L7	1		1S
NC-81X	1937–39	Amateur-R	10 - 6L7			1S
NC-100ASD	1938–45 ??	Mil Re	10 - 6K7	3		15S
NC-100 Battery model	1936–38 ?	Amateur-R	10 - 6K7
NC-101XB	1936–39 ?	Amateur-R	10 - 6K7
NC-108-R	1948	Radio	10 - 6BA6			8S
NC-109	1957–60	Amateur-R	10 - 6BA6	15		2S		$
RAS-5 CNA-46080	1944 ??	Mil Re	10 - 6D6	8		2S
Exciter - Speech Amplifier NTE-A	1938–41	Amateur-T	10 - 6L6G	4		3S
Exciter - Speech Amplifier NTE-B	1938–41	Amateur-T	10 - 6L6G	4		1S
NC-125	1950–55 ?	Amateur-R	10 - 6SG7	12		13S		$
Communications Receiver RCQ	1948	Commercial Re	11 - 6K7	1				$
HRO-5-1	1946	Commercial Re	11 - 6K7	5		2S
HRO-5A1	1946/47	Commercial Re	11 - 6K7	1		1S
HRO-5RA-1	1946/47	Commercial Re	11 - 6K7
HRO-5TA1 (HRO-5A1)	1946/47	Commercial Re	11 - 6K7	14		5S		$
HRO-7	1947–49	Amateur-R	11 - 6K7	5		3S
HRO-7-R	1947–49	Amateur-R	11 - 6K7	2		12S
HRO-7 T HRO-7-T	1947–49	Amateur-R	11 - 6K7	9		12S		$
NC-100A	1938–45 ?	Amateur-R	11 - 6K7	1		3S
NC-100A Special	1938–45 ?	Amateur-R	11 - 6K7
NC-100 F	1937 ?	Commercial Re	11 - 6K7
NC-100SA	1938–45 ?	Amateur-R	11 - 6K7	1		1S
NC-100XA	1938–45 ?	Amateur-R	11 - 6K7	8		1S
NC-100XSA	1938–45 ?	Amateur-R	11 - 6K7			1S
NC-101XA	1939–41 ?	Amateur-R	11 - 6K7	6		1S
NC-108	1948 ?	Radio	11 - 6BA6
NC-108-T	1948	Radio	11 - 6BA6	2		5S
NC-120 RAO-2	1940 ??	Mil Re	11 - 6K7	2		8S
NC-300	1955–58	Amateur-R	11 - 6BZ6	19		2S
RAO-2	1940 ??	Mil Re	11 - 6K7
RAO-6 CNA-46187-D	1943 ?	Mil Re	11 - 6K7
RAO-7 CNA-46187-D CNA-46233	1945 ?	Mil Re	11
RBH-1 RBH	1942	Commercial Re	11 - 6K7			1S
HRO-7-C	1947–49 ?	Amateur-R	12 - 6K7	1		1S
NC-2-40C	1945/46	Amateur-R	12 - 6SK7	2		13S
NC-2-40CR	1945/46 ?	Amateur-R	12 - 6SK7
NC-2-40CS	1945/46	Amateur-R	12 - 6SK7	2		13S		$
NC-2-40CSR	1945/46 ?	Amateur-R	12 - 6SK7
NC-2-40D	1946–49	Amateur-R	12 - 6SK7	5		7S		$
NC-2-40DR	1946–49 ?	Amateur-R	12 - 6SK7	1		10S
NC-2-40DT	1946–49 ?	Amateur-R	12 - 6SK7			10S
NC-100S	1936–38 ?	Amateur-R	12 - 6K7
NC-100X	1936–38 ?	Amateur-R	12 - 6K7	4			1F
NC-100XS	1936–38 ?	Amateur-R	12 - 6K7
NC-101X	1936–39 ?	Amateur-R	12 - 6K7	1				$
NC-156	1940 ??	Commercial Re	12 - 6K7	6
NC-200RG	1940–42	Amateur-R	12 - 6SK7			8S
NC-200 TG	1940–43	Commercial Re	12 - 6SK7	8		4S
NHU	1939–41	Radio	12 - 956	2
NHU20	1939–41	Radio	12 - 956
NHU-20B	1939–41	Radio	12 - 956
NHUB	1939–41	Radio	12 - 956
NC-100	1936–38 ?	Amateur-R	12 - 6K7	12		3S	1F
RCP	1945	Commercial Re	12 - 6K7	1
NC-2-40	1943/44	Amateur-R	13 - 6SK7
NC-2-40S	1943/44 ?	Amateur-R	13 - 6SK7	1
NC-173R	1947–51	Amateur-R	13 - 6SG7	3		8S
NC-173T	1947–51	Amateur-R	13 - 6SG7	11		8S	2F	$
NC-303	1958–62	Amateur-R	13 - 6BZ6	1		2S		$
R-460/UR	1950–55 ??	Mil Re	13 - 6BA6	4
SCR-4	1946 ?	Commercial Re	13	1
Horizon Criterion AM-FM Tuner NC-1000	1954	Radio	14 - 6BQ7A	3		2S
HRO-50R1	1951/52	Amateur-R	15 - 6BA6	6		3S
HRO-50T1	1951/52	Amateur-R	15 - 6BA6	5		3S
NC-183	1947–52	Amateur-R	15 - 6SG7	14		3S
NC-183R	1947–52	Amateur-R	15 - 6SG7	1		8S
NC-183T	1947–52	Amateur-R	15 - 6SG7			8S
NCX-200	1967 ?	Amat TRX	15 - 6BZ6	1		6S
HRO-60	1952–64	Amateur-R	16 - 6BA6	9		3S
HRO-60-R	1952 ?	Amateur-R	16 - 6BA6
HRO-60-T	1952 ?	Amateur-R	16 - 6BA6
NBS-1	1948	Commercial Re	16 - 6J5	4			1F
NC-183D	1952–58	Amateur-R	16 - 6BA6	10		2S
NC-183DR	1952–58	Amateur-R	16 - 6BA6			1S
NC-400	1959–63	Amateur-R	16 - 6BZ6	13		3S		$
NCX-500	1969	Amat TRX	16 - 6BZ6	2		5S
HRO-50T	1949/50	Amateur-R	17 - 6BA6	7		13S
NBS-2	1950 ??	Commercial Re	17
HRO-50R	1949/50	Amateur-R	17 - 6BA6			13S
NCX-3	1962	Amat TRX	18 - 12BA6	7		3S		$
NCX-5	1964	Amat TRX	19 - 6BZ6	9		3S		$
NCX-5 MKII	1965	Amat TRX	19 - 6BZ6	5		3S		$
The National 600 Watt Transmitter NC-600	1939–41	Amateur-T	19 - 6L6	3		2S
NC-TV7 [late]	1950 ?	Television	21 - 6AU6	4		16S
NC-TV7M [late]	1950 ?	Television	21 - 6AU6	4		16S
NC-TV7W [late]	1950 ?	Television	21 - 6AU6	1		16S
Videometer	1950	Equipment	21	2
NC-TV7 [early]	1949 ?	Television	22 - 6AU6			16S
NC-TV7M [early]	1949	Television	22 - 6AU6			44S
NC-TV7W [early]	1949	Television	22 - 6AU6	4		44S		$
NC-TV-10T	1949	Television	22 - 6AU6	1		24S		$

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