My 50 Watt Marshall JCM800

Model 2204

meh 4/2008

Pin	1	2	3	4	5	6	7	8	9
V1	358	~0	4	H	H	295	~0	2.7	H
V2	413	~0	1.30	H	H	416	413	187	H
V3	290	29.9	48.2	H	H	269	29.7	48.2	H
V4,5	0	H	471	469	-55.8	(472)	H	0
Notes: V1,2,3 = 12AX7, V4,5 = 6550 All voltages measured on 120V mains setting, with exactly 120V applied. VCC = 482, PT secondary = 351-0-351, Heaters = 3.32-0-3.32