6SN7 Result

	A	B	C	D	E	F	G	H	I
1	Specification					9	2.6	9	2.6
2						A		B
3	BRAND & TUBE NO.	No. in website	Selling Price	Note	Availability	iP meas (mA)	GM meas (mA/V)	iP meas (mA)	GM meas (mA/V)

4	RADIOTRON
5	1	301	169	Matched pair		10	2.8	9.8	2.9
6	4	301	169	Matched pair		8.2	2.8	8.6	2.89
7	3	301	169	Matched pair		9.4	2.5	10	2.35
8	5	301	169	Matched pair		10	2.3	9.6	2.2
9	2	301	169	Matched pair		11.6	3	10.2	2.6
10	6	301	169	Matched pair		11.8	3.1	10.4	2.9
11	HITACHI
12	2	302	90	Matched pair		6.2	2.5	7.2	2.8
13	3	302	90	Matched pair		6.2	2.5	6.4	2.5
14	1	302	41			9.2	3.11	5.6	2.37
15	RELIABLE SELECTRON
16	1	303	58	Matched pair		6.6	2.6	7	2.6
17	2	303	58	Matched pair		8.8	2.6	8.2	2.5
18	8	303	58	Matched pair		8	2.28	9	2.4
19	10	303	58	Matched pair		8.4	2.3	11.6	2.6
20	3	303	58	Matched pair		8.6	2.31	7.8	2.17
21	4	303	58	Matched pair		7.2	2.07	7.4	2.13
22	5	303	25			9.6	2.5	9.2	2.4
23	6	303	25	pls test again		10.4	2.7	16.4	3.2
24	7	303	25			12.2	2.8	9	2.5
25	9	303		bad?		0	0	7.1	2.1
26	RELIABLE SEL. (BROWN)
27	1	304	31.5			6.8	2.4	8	2.6
28	REALISTIC LIFETIME
29	1	306	10			9.4	2.9	9.8	2.9
30	GENERAL ELECTRIC
31	1	307	40			5.6	1.6	6.4	2
32	PHILCO (YELLOW)
33	1	308	20			3.2	0.7	2.4	0.5
34	PHILCO (RED)
35	1	309	18			4.8	1.2	6	1.7
36	TUNG-SOL
37	1	310	150			7.4	2.3	7	2.1
38	MINIWATT
39	1	311	100			8	2.5	9.2	2.4
40	RCA ELECTRON TUBE
41	1	312	62.5	matched pair		9	2.7	7.4	2.6
42	2	312	62.5	matched pair		8	2.6	8	2.6
43	AMPEREX					OVERCURRENT
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