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Music Masters
Year	Model no	Chassis no	Description	V no	IF (kHz)	Valve Line up	Circuit ref	Page	Alt circuit ref	Alt Pg	Picture	Page_	Orig price	Notes
1940	Mozart 5V		AC Man.	5		6A8G, 6U7G, 6B6G, 6V6G, 80					SC 11/01	83
1940	P		AC DW Man.	5	472.5	6U7G, EK2G, EBF2, EL3G, 5Y3G	AORSM '40/41	263						Uses Philips chassis.
1948	A4		AC BC Man.	4	455	6A8G, 6G8G, EL33A, 6X5GT	AORSM '48	274
1948	A5		AC DW	5	455	6J8G, 6U7G, 6SQ7GT, 6V6GT, 5Y3GT	AORSM '48	274
1948	A6		AC DW	6	455	6J8G, 2*6U7G, 6SQ7GT, 6V6GT, 5Y3GT	AORSM '48	275
1948	B4		Bat. BC	4	455	1C7G, 1M5G, 1K7G, 1L5G	AORSM '48	275
1948	B5		Bat. DW	5	455	1C7G, 2*1M5G, 1K7G, 1L5G	AORSM '48	276
1948	C4		Bat. BC	4	455	1A7G, 1P5GT, 1H5GT, 1Q5GT	AORSM '48	276
1948	C5		Bat. DW	5	455	1A7G, 2*1P5GT, 1H5GT, 1Q5GT	AORSM '48	277
1948	V5		Vib. DW	5	455	1C7G, 2*1M5G, 1K7G, 1L5G	AORSM '48	278
1949	A5 amended		AC DW	5	455	6J8GA, 6U7G, 6SQ7GT, 6V6GT, 5Y3GT	AORSM '49	258	AORSM '50	229
1949	A666		AC DW	6	455	6J8GA, 6U7G, 6SQ7GT, 2*KT61, 5Y3GT	AORSM '49	261	AORSM '50	232
1949	A667		AC DW	6	455	6BA6, 6J8GA, 6U7G, 6SQ7GT, 6V6GT, 5Y3GT	AORSM '49	260	AORSM '50	231
1949	A7		AC DW	7	455	6J8GA, 6U7G, 6SQ7GT, 6J7G, 2*6V6GT, 5Y3GT	AORSM '49	259	AORSM '50	230
1949	C5 amended		Bat. DW	5	455	1R5, 2*1T4, 1S5, 3V4	AORSM '49	261
1949	C507P		Portable	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '49	262	AORSM '50	233
1949	C509P		DW Portable	5	455	1R5, 2*1T4, 1S5, 3V4	AORSM '49	262	AORSM '50	233
1949	D5		AC/DC DW	5	455	12SA7GT, 12SK7GT, 12SQ7GT, 50L6GT, 35Z5GT, 1954	AORSM '49	260	AORSM '50	231
1949	V5 amended		Vib. DW	5	455	1C7G, 2*1M5G, 1K7G, 1L5G	AORSM '49	263
1950	C525M amend.		Bat. DW	5	455	1R5, 2*1T4, 1S5, 3V4	AORSM '50	232
1950	V525M		Vib. DW	5	455	1C7G, 2*1M5G, 1K7G, 1L5G	AORSM '50	234
1951	A5 amended		AC DW	5	455	6AN7, 6U7G, 6AV6, 6V6GT, 5Y3GT	AORSM '51	192
1951	A666 amended		AC DW	6	455	6AN7, 6U7G, 6AV6, 2*EL33A, 5Y3GT	AORSM '51	195
1951	A667 amended		AC DW	6	455	6BA6, 6AN7, 6U7G, 6AV6, 6V6GT, 5Y3GT	AORSM '51	194	AORSM '52	208
1951	A7 amended		AC DW	7	455	6AN7, 6U7G, 6AV6, 6J7G, 2*6V6GT, 5Y3GT	AORSM '51	193
1951	C525M amend.		Bat. DW	5	455	1R5, 2*1T4, 1S5, 3V4	AORSM '51	195
1952	A5 amended		AC DW	5	455	6AN7, 6BA6, 6AV6, 6V6GT, 5Y3GT	AORSM '52	206
1952	A7 amended		AC DW	7	455	6AN7, 6BA6, 6AV6, 6J7G, 2*6V6GT, 5Y3GT	AORSM '52	207
1953	A411G		AC BC RG	4	455	6BE6, 6AR7GT, 6M5/6AQ5, 6X4	AORSM '53	250
1953	A526M		AC BC Man.	5	455	6BE6, 6BA6, 6AV6, 6AQ5, 6X4	AORSM '53	251
1953	A527M		AC DW Man.	5	455	6BE6, 6BA6, 6AV6, 6AQ5, 6X4	AORSM '53	252
1953	A666 amended		AC DW	6	455	6AN7, 6BA6, 6AV6, 2*6AQ5, 5Y3GT	AORSM '53	249
1953	A667 amended		AC DW	6	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '53	247
1953	A764G		AC DW RG	7	455	6AN7, 6BA6, 6AV6, 6AU6, 2*6AQ5, 5Y3GT	AORSM '53	248
1953	AC5		AC DW	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '53	246
1954	A401		AC BC Man.	4	455	6BE6, 6AR7GT, 6M5, 6X4	AORSM '54	224
1954	A501M		AC BC Man.	5	455	6BE6, 6BA6, 6AV6, 6AQ5, 6X4	AORSM '54	225
1954	A504G		AC BC RG	5	455	6BE6, 6BA6, 6AV6, 6AQ5, 6X4	AORSM '54	226
1954	A507G		AC DW RG	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A520		AC DW	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A526M		AC MW Man.	5	455	6AN7, 6BA6, 6AV6, 6M5, 6X4	AORSM '54	228
1954	A527M		AC DW Man.	5	455	6AN7, 6BA6, 6AV6, 6M5, 6X4	AORSM '54	229
1954	A529M		AC DW Man.	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A531G		AC DW RG	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A555		AC DW	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A556G		AC DW RG	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A572G		AC DW RG	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A576G		AC DW RG	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A581G		AC DW RG	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	227
1954	A620		AC DW	6	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	230
1954	A629M		AC DW Man.	6	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	230
1954	A631G		AC DW RG	6	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	230
1954	A664G		AC DW RG	6	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	230
1954	A667G		AC DW RG	6	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5, 5Y3GT	AORSM '54	230
1954	A831G		AC DW RG	8	455	6BA6, 6AN7, 6BA6, 6AV6, 6AU6, 2*6AQ5, 5Y3GT	AORSM '54	231
1954	A864G		AC DW RG	8	455	6BA6, 6AN7, 6BA6, 6AV6, 6AU6, 2*6AQ5, 5Y3GT	AORSM '54	231
1954	C502P		Portable	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	220
1954	C503P		Portable	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	221
1954	C504G		Bat. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	232
1954	C505P		AC/Bat. Portable	6	455	1T4, 1R5, 1T4, 1S5, 3V4, 6X4	AORSM '54	220
1954	C506P		Portable	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	223
1954	C520		Bat. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	232
1954	C528M		Bat. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	232
1954	C531G		Bat. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	232
1954	C555		Bat. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	232
1954	C572G		Bat. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	232
1954	CR-G		Bat. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	232
1954	L504G		Vib. DW	5	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5	AORSM '54	233						For 32V.
1954	L520		Vib. DW	5	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5	AORSM '54	233						For 32V.
1954	L528M		Vib. DW	5	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5	AORSM '54	233						For 32V.
1954	L531G		Vib. DW	5	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5	AORSM '54	233						For 32V.
1954	L555		Vib. DW	5	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5	AORSM '54	233						For 32V.
1954	L572G		Vib. DW	5	455	6BA6, 6AN7, 6BA6, 6AV6, 6AQ5	AORSM '54	233						For 32V.
1954	V5		Vib. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	235
1954	V504G		Vib. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	235
1954	V520		Vib. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	235
1954	V525M Amend.		Vib. DW	5	455	1R5, 2*1T4, 1S5, 3V4	AORSM '54	234
1954	V529M		Vib. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	235
1954	V531G		Vib. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	235
1954	V555		Vib. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	235
1954	V572G		Vib. DW	5	455	1T4, 1R5, 1T4, 1S5, 3V4	AORSM '54	235
1955	A534G		AC DW	5	455	6AN7, 6BA6, 6AV6, 6AQ5, 6X4	AORSM '55	234
1955	A8G		AC TW	8	455	6N8, 6AN7, 6BA6, 6AV6, 6AU6, 2*6AQ5, 5V4G, EM34	AORSM '55	235