KyteLabs InfoBase - Electron Tubes & Valves Data	Last modified: 2007-10-08 (15314)

2	Statische Verstärker-Kenndaten Class-A Amplifier Static Characteristics
2.1	Trioden Single Triodes
2.1.1	Universell verwendbare Typen General-Purpose Types

µ = 1.0 ... 10
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
ED8000		100	–12.5	83	150	16	3.6	220		50	0	150		Tfk65
AD1		250	–45	750	60	6.0	4.0	670						Phi59
6CY7		150	-	620	30	5.4	5.0	920		150	–40	0.2		II Rca59
		150	–30	-	3.5	-	-	-		60	0	80		174
6GL7		175	–25	543	46	6.4	5.0	780		175	–60	0.2		II Rca65
										60	0	100		273
6GE8		150	–21	600	35	5.0	5.4	1080		150	–42	0.5		Tse60
										50	0	70
6EM7  6GF7		150	–20	400	50	7.2	5.4	750		150	–45	0.1		II Rca61 Rca63
		150	–28	-	10	-	-	-		60	0	95
6FM7		175	–25	625	40	6.0	5.5	920		175	–45	0.2		II Rca65
										60	0	95		273
6DE7  6DR7		150	–17.5	500	35	6.5	6.0	925		150	–44	0.05		II Rca62 Rca59
		150	–24	-	10	-	-	-		60	0	80		174
6FY7		150	–17.5	500	35	6.5	6.0	920		150	–36	0.05		II Rca65
		150	–25	-	6.0	-	-	-		60	0	95		273
6FD7		150	–17.5	438	40	7.5	6.0	800		150	–40	0.1		II Rca62
		150	-	-	1.0	0.5	-	-		150	–25	6.0
										60	0	95		174
6EW7  10EG7		150	–17.5	389	45	7.5	6.0	800		150	–40	0.1		II Rca62 Rca61
		150	–25	-	8.0	-	-	-		60	0	95		174
AD100		250	–26.5	663	40	4.5	6.5	1400		150	0	110		Tfk
5556		350	–20	1053	19	1.33	8.5	6400						Rca61
		350	–30	-	9.0	0.98	-	8700						DC Rca46
2C21		250	–16.5	1988	8.3	1.375	10.4	7600						Rca43
		V	V	OHM	mA	mA/V		OHM		V	V	mA		15307
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
AD102		400	–51	720	70	5.8	5.0	860		440	–160	1.0		Tfk
										120	0	155
RV210		400	–53	720	70	5.8	5.0	860						Tfk52
		V	V	OHM	mA	mA/V		OHM		V	V	mA		13877
		Ua	Uf	Ug	Ia	If	S	µ		Ua	Ug	Ia		Rate	Ref *?
5987					6.8	420	1.48	3.6						MIN	Syl57
		100	6.3	–18	9.0	450	1.85	4.1						NOM
					11.2	480	2.22	4.6						MAX
		V	V	V	mA	mA	mA/V			V	V	mA		14675

µ = 11 ... 20
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
ECF83		60	–3.7	569	6.5	3.6	11	3.0						Sie64
ACH1		150	–15	3000	5.0	2.0	13	6.5						Rat49
6P5GT		100	–5.0	2000	2.5	1.15	13.8	12						Rca42
		250	–13.5	2700	5.0	1.45	13.8	9.5
ECC86		6.3	–0.4	444	0.9	2.6	14	5.4						TYP	Phi58 Sie64 Tfk61
5676		135	–5.0	1250	4.0	1.6	15	9.4		135	–10	0.015		Tfk65
EC903		100	–4.0	250	16	8.0	15	1.9						Tfk62
6FJ7										150	0	68		174
		250	–9.5	232	41	7.7	15.4	2.0		250	–23	0.05		II Rca63
UCH42		100	0	-	10	2.8	16	5.7						Phi53
EC41  EC81		120	–2.0	100	20	4.0	16	4.0						Mik60 Val63
		150	–2.0	67	30	5.5	16	3.0
26C6		250	–9.0	947	9.5	1.9	16	8.5						Rca46
ECF8070					9.5	4.4								MIN	Tfk65
		100	–3.0	214	14	5.5	17	3.1						NOM
					19.5	6.6								MAX
6L5G		135	–5.0	1429	3.5	1.5	17	11.2		135	–11	0		Rca38
		250	–9.0	1125	8.0	1.9	17	9.0		250	–20	0
6GU7		250	–10.5	913	11.5	3.1	17	5.5		250	–23	0.05		Rca63
										250	–14	4.0
6DE7  6EW7 10EG7		250	–11	2000	5.5	2.0	17.5	8.75		250	–20	0.01		I Rca62 Rca61
ECC804		200	–7.7	770	10	3.4	18	5.3						Bri
ED111		200	–7.5	375	20	8.0	18	2.25						Rtt94
1633		250	–8.0	696	11.5	2.6	18	6.9						Rca45
ECH41  UCH41		100	0	-	8.5	1.9	19	10						Phi52 Phi49
ECC82  ECC186		100	0	-	11.8	3.1	19.5	6.25						Phi69 Val62
		250	–8.5	810	10.5	2.2	17	7.7
7N7		90	0	0	10	3.0	20	6.7						Syl51
		250	–8.0	900	9.0	2.6	20	7.7
6AV11  7247  II		100	0	-	11.8	3.1	20	6.5						Get62 Get63
		250	–8.5	810	10.5	2.2	17	7.7		250	–24	0.01
ECF80		100	–2.0	143	14	5.0	20	4.0						Sie64
ECF801		100	–3.0	200	15	9.0	20	2.2						Phi62
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15313
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
8056		24	-	100	8.7	7.5	11.5	1.53		24	–5.0	0.05		NOM	Rca63
		24	-	100	8.5	7.0	11.5	1.65		24	–10	0.05		NOM	Sie63
5814A  E82CC ECC802S		100	-	0	11.8	3.1	19.5	6.25						NOM	Sie63 Tfk65
					8.7	1.8	15.7							MIN
		250	–8.4	800	10.5	2.2	17	7.7		250	–22	0.01		NOM
					12.3	2.6	18.3							MAX
E80CF					10	4.0								MIN	Sie63 Tfk65 Val63
		100	–1.7	120	14	5.0	18	3.6						NOM
					18	6.0								MAX
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15313
		Ua	Ubg	Rg	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
8056		12	0	33	5.5	8.0	12	1.5						Rca63
		12	0	33	5.8	8.0	12.5	1.56						Sie63
		24	–0.7	-	9.5	8.0	12	1.5						Rca63
		24	–0.7	-	10	8.0	12.5	1.56						Sie63
ECH83		6.3	0	47	0.3	0.8	14.6	18						Phi69
		12.6	0	47	0.75	1.4	18.3	13
		25	0	47	2.0	2.2	20	9.1
26C6		26.5	0	2000	1.1	1.1	17	15.5						Rca46
		V	V	kOHM	mA	mA/V		kOHM		V	V	mA		14674
		Uba	Ug	Ra	Ia	S	µ	ra		Uba	Ug	Ia		Ref *?
6DZ4		80	-	2.7	15	6.7	14	2.0		80	–11	0.02		Rca63
		V	V	kOHM	mA	mA/V		kOHM		V	V	mA		13735
		Ua	Uf	Rg	Ia	If	S	µ		Ua	Ug	Ia		Rate	Ref *?
5904					1.5	40	3.5	16						MIN	Syl57
		26.5	26.5	2.2	3.0	45	5.0	20		26.5	–3.5	-		NOM
					4.5	50	6.5	24				0.05		MAX
		V	V	MOHM	mA	mA	mA/V			V	V	mA		14674

µ = 21 ... 30
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
5703		120	–2.1	220	9.6	5.0	25	5.0		120	–8.5	0.1		Tfk65
5703WB		120	–2.1	220	9.4	5.0	25	5.0		120	–8.5	0.05		Tfk65
E80CC					5.4	2.2		7.0						MIN	Sie63 Tfk65 Val63
		250	–5.5	920	6.0	2.7	27	10						NOM
					6.6	3.2								MAX
E90CC					6.5	4.5								MIN	Sie63 Tfk65 Val63
		100	–2.1	250	8.5	6.0	27	4.5						NOM
					10.5	7.5								MAX
5718		100	–1.28	150	8.5	5.8	27	4.65		100	–7.0	0.01		Rca53
		150	–2.3	180	13	6.5	27	4.15		150	–11	0.01
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15314
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
5963		67.5	0	-	8.5	3.2	21	6.6						Syl56
ECH42 UCH42		100	0	-	10	2.8	22	7.9						Phi52
6FJ7		250	–8.0	1000	8.0	2.5	22.5	9.0		250	–18	0.01		I Rca63
ECH35		100	0	-	10	2.8	24	8.6						Mul46
E182CC		120	–2.0	0	36	15	24	1.6						NOM	Val63
					30	11.2								MIN
		120	-	55	-	-	-	-		150	–14			NOM
					41	18.8						0.2		MAX
9002  955		90	–2.5	1000	2.5	1.7	25	14.7						Rca43 Rca44
		135	–3.75	1071	3.5	1.9	25	13.2
		180	–5.0	1111	4.5	2.0	25	12.5
		250	–7.0	1111	6.3	2.2	25	11.4
5844		100	–2.3	470	4.8	3.4	27	7.95		150	–10	0.1		Syl53
CBC1		200	–5.0	1250	4.0	2.0	27	13.5						Rwm53
ABC1		250	–7.0	1750	4.0	2.0	27	13.5						Rwm53
6L4		80	–1.43	150	9.5	6.4	28	4.4						Rca49
EBC33		100	–2.1	1050	2.0	1.6	30	19						Mul58
		200	–4.3	1075	4.0	2.0	30	15
		250	–5.5	1100	5.0	2.0	30	15
CC2		100	–2.5	1250	2.0	1.8	30	16						Phi35 Rat49
		200	–4.0	667	6.0	2.5	30	12
AC2 CC2		250	–5.5	900	6.0	2.5	30	12						Phi53 Rat49
AC100		250	–5.5	770	7.0	2.7	30	10.5		250	–13	0.1		Tfk
		250	0	-	27	-	-	-
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15314

		Uba	Ubg	Ug	Rk	Ia	S	µ	ra		Rate	Ref *?
E288CC						28	17				MIN	Sie63 Tfk65 Val63
		100	+9.0	–1.5	350	30	20	25	1.25		NOM
						32	23.5				MAX
		60	0	–1.2	80	15	15.5	25	1.6		NOM	Sie63 Tfk65
		60	0	–1.2	80	15	14	25	1.8		NOM	Val63
		V	V	V	OHM	mA	mA/V		kOHM		15314

µ = 31 ... 40
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
ECC40		250	–5.6	920	6.0	2.9	32	11						Phi53
EC53		200	–3.3	440	7.5	2.9	33	11.4						Mul47
2C51		150	–2.0	240	8.2	5.5	35	6.5		150	–8.0	0.01		Tse62
ECF82		150	–2.0	182	11	5.8	35	6.0						Wfb61
6BQ7		150	–2.0	220	9.0	6.0	35	5.8		150	–10	0.01		Rca51
6BK7		100	–1.1	120	9.0	6.1	37	6.1		100	–9.0	0.01		Syl55
		150	–1.0	56	18	8.5	40	4.7		150	–12	0.01
ECF804		150	–1.5	111	13.5	7.2	38	5.3						Rat64
19Q9		125	–1.0	71	14	8.0	40	5.0						Syl64
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15308
		Ua	Ug	Rkk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
5964		100	–0.95	50	9.5	6.0	39	6.5						395 Syl56
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15044
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
6DV4		75	–1.05	100	10.5	11.5	35	3.1		75	–7.0	0.01		Rca63
7586		75	–1.05	100	10.5	11.5	35	3.0		75	–7.0	0.01		Rca65 Sie63
6BZ7		150	–2.2	220	10	6.8	36	5.2		150	–7.0	0.1		Rca62
6BQ7A		150	–2.0	220	9.0	6.4	38	5.9		150	–6.5	0.1		Get56 Rca62
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		14529
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	S		Ref *?
6BC8		150	–2.2	220	10	6.2	35	5.3		150	–13	0.05		Rca62
		V	V	OHM	mA	mA/V		kOHM		V	V	mA/V		14530
		Ua	Ubg	Rg	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
7586		26.5	0	500	2.8	7.0	31	4.4						Rca65 Sie63
		40	0	500	7.5	11.5	35	3.0						Rca65
		40	0	500	6.8	11	35	3.2						Sie63
		V	V	kOHM	mA	mA/V		kOHM		V	V	mA		13728
		Ua	Ug	Uf	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
13D3		100	–1.0	-	3.5	2.05	32.5	16.5						NOM	Bri
		250	–4.6	-	6.0	2.3	32	14						NOM
6158					3.5	1.7	27							MIN	Bri
		250	–4.6	12.6	6.0	2.35	32	14						NOM
					8.5	3.0	37							MAX
		V	V	V	mA	mA/V		kOHM		V	V	mA		13970

		Uba	Ubg	Ug	Rk	Ia	S	µ	ra		Uba	Ug	Ia		Rate	Ref *?
E88CC						14.2	10.5								MIN	Sie63 Tfk65 Val63
		100	+9.0	–1.2	680	15	12.5	33	2.6		150	–15			NOM
						15.8	15						5.0		MAX
		90	0	–1.4	120	12	11.5	-	-						NOM
E188CC						14.2	10.5					–5.5			MIN	Sie63 Tfk65 Val63
		100	+9.0	–1.2	680	15	12.5	33	2.6		100		20		NOM
						15.8	14.5								MAX
		90	0	–1.4	120	12	11.5	-	-						NOM
		V	V	V	OHM	mA	mA/V		kOHM		V	V	µA		15314

µ = 41 ... 50
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
6BK7B		150	–1.0	56	18	9.3	43	4.6		150	–11	0.01		Rca59
5842		150	–1.5	60	25	25	43	1.7						Ray58 Rca62
E92CC					6.5	4.5								MIN	Tfk65 Val63
		150	–1.7	200	8.5	6.0	45	7.5						NOM
					10.5	7.5								MAX
6GH8A		125	–1.0	74	13.5	8.5	46	5.4		125	–8.0	0.01		Rca63
6BC4		150	–1.45	100	14.5	10	48	4.8		150	–10	0.01		Rca54
ECL85		100	0	-	10	5.5	50	9.0		100	–2.6	0.2		Rft65
6FH5		135	–1.0	91	11	9.0	50	5.6		135	–5.5	0.1		Rca60
E180CC		100	–0.8	0	8.5	6.4	50	6.4						NOM	Val63
		150	–1.85	0	8.5	7.8	46	7.2						NOM
					6.3	5.3								MIN
		150	–1.87	220	8.5	6.7	-	-		150	–7.5			NOM
					10.7	8.1						0.15		MAX
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15314
		Uba	Ubg	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
5842		130	+9.0	360	27	27	43	1.6						Ray58 Rca62
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		13728
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
6S2P					8.0	9.0	36							MIN	Ccc70
		150	–1.35	100	13.5	12	48	4.0		150	–15			NOM
					19	15	60					0.02		MAX
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15238

µ = 51 ... 60
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
ECC85		250	–2.7	270	10	6.1	55	9.0						TYP	Phi69
		250	–2.2	220	10	6.0	57	9.5						TYP	Sie64 Tfk61
		250	–2.3	230	10	6.0	58	9.7						TYP	Rft59
ECC865					8.0	4.8								MIN	Rft
		230	–2.0	200	10	6.0	58	9.7						NOM
					12	7.2								MAX
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		14814
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Rate	Ref *?
8532					9.0	8.8	40							MIN	Rca65
		150	–1.35	100	13.5	11	52.5	4.8		150	–15			NOM
					18	13.2	65					0.06		MAX
6247					2.8	2.0								MIN	Tfk65
		250	–2.1	500	4.2	2.65	60	23		250	–7.5	0.05		NOM
					5.7	3.3								MAX
ECC801S					7.0	4.5								MIN	Tfk65
		250	–2.0	200	10	5.5	60	11		250	–12	0.01		NOM
					14	6.5								MAX
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15237
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
6AK10		200	–2.3	230	10	7.0	53	7.5		200	–7.0	0.1		Get68
6J4		100	–1.0	100	10	11	55	5.0						Get50
		150	–1.5	100	15	12	55	4.5
ECL113		150	–1.0	500	2.0	1.6	56	35						Mik60
6D10		125	–1.0	238	4.2	4.2	57	13.6		125	–4.0	0.02		Syl
6J9		125	–1.0	167	6.0	5.2	57	11						Syl64
ECL802		100	–0.85	170	5.0	5.5	60	11						Cif68
EC92		250	–2.0	200	10	5.6	60	10.7						Sie64
EC52		250	–2.6	260	10	6.5	60	9.2						Mul47
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15237

µ = 61 ... 70
		Uba	Ua	Ubg	Ug	Rk		Ia	S	µ	ra		Ug	Ia		Rate	Ref *?
E86C  EC806S EC866								11.2	11.5				-	-		MIN	382 Sie63 Val63 Tfk65 Rft
		185	175	+8.0	–1.6	800		12	14	68	4.9		-	100		NOM
								12.8	14				–5.0	-		MAX
		-	175	-	–1.5	125		12	14							TYP	Val63 Tfk65
EC86		-	175	-	–1.5	125		12	14	68	4.9					TYP	Sie64
		-	175	-	–1.5	125		12	14	70	5.0					TYP	Rft65
		V	V	V	V	OHM		mA	mA/V		kOHM		V	µA		14816

		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
6DS4		110	-	130	6.5	9.0	63	7.0		110	–6.8	0.01		Rca63
										110	–5.0	0.1
7895		110	-	150	7.0	9.4	64	6.8		110	–4.0	0.01		Rca61
6CW4		110	-	130	7.0	9.8	65	6.6		110	–4.0	0.01		Rca63
8255  EC88		160	–1.25	100	12.5	13.5	65	4.8						Tfk65 Tfk68
5719		100	-	1500	0.73	1.7	70	41		100	–2.5	0.01		Rca53
		150	-	500	1.85	2.3	70	30.5		150	–3.8	0.01
5744		250	–2.1	500	4.2	4.0	70	17.5		250	–6.5	0.2		Tfk65
5744WB		250	–2.1	500	4.2	4.0	70	17.5		250	–6.5	0.05		Tfk65
8058		110	–0.47	47	10	12.4	70	5.6		110	–5.0	0.01		Rca66
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		13871
		Ua	Ubg	Rg	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
6DS4		70	0	47	7.0	12.5	68	5.44						Rca63
6CW4		70	0	47	7.2	12.5	68	5.44						Rca63
		V	V	kOHM	mA	mA/V		kOHM		V	V	mA		13728
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
6AC10		200	-	150	9.0	5.8	62	10.7		200	–5.0	0.1		Get65
ECC81		100	–1.0	333	3.0	3.75	62	16.5						Phi69
		170	–1.0	118	8.5	5.9	66	11
		200	–1.0	87	11.5	6.7	70	10.5
		250	–2.0	200	10	5.5	60	11
6FD7  6GF7		250	–3.0	2143	1.4	1.6	64	40		250	–5.5	0.01		I Rca62 Rca63
6FY7		250	–3.0	2143	1.4	1.6	65	40.5		250	–5.5	0.03		I Rca65
ECL84		200	–1.7	567	3.0	4.0	65	16		200	–3.2	0.2		Phi58
6FM7		250	–3.0	1500	2.0	2.2	66	30		250	–5.3	0.02		I Rca65
6GL7		250	–3.0	1500	2.0	2.2	66	30		250	–5.3	0.02		I Rca63
		275	-	-	13	1.6	-	-
6CY7		250	–3.0	2500	1.2	1.3	68	52		250	–5.5	0.01		I Rca59
6DR7  6EM7		250	–3.0	2143	1.4	1.6	68	40		250	–5.5	0.01		I Rca59 Rca61
ECC35		250	–2.5	1100	2.3	2.0	68	34						Mul57
6T8		100	–1.0	1250	0.8	1.3	70	54						Get54
		250	–3.0	3000	1.0	1.2	70	58
UBC41  UBC81		100	–1.0	1250	0.8	1.4	70	50						Phi51 Sie64
		170	–1.55	1033	1.5	1.65	70	42
EBC41  EBC81		250	–3.0	3000	1.0	1.2	70	58						Phi52 Sie64
PABC80		100	–1.0	1250	0.8	1.4	70	50		100	–1.7	0.2		Rft65
		170	–1.55	1033	1.5	1.65	70	42
		200	–2.0	-	1.35	1.5	70	46		200	–3.3	0.2
EABC80 PABC80		250	–3.0	3000	1.0	1.4	70	50						Sie64
6SL7GT		250	–2.0	870	2.3	1.6	70	44						Get46
ECF802		200	–2.0	571	3.5	3.5	70	20						Tfk68
EC97		135	–1.0	91	11	13.5	70	5.2						Sie64
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		15313

µ = 71 ... 80
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
6FQ5A		135	–1.2	135	8.9	12	74	6.3		135	–4.5	0.1		Rca62
6ES5		200	–1.0	100	10	9.0	75	8.0		200	–6.0	0.1		Rca61
EC40		250	–1.5	100	15	12	80	6.6						Mik60
EC80		250	–1.5	100	15	12	80	6.7						Val63
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		14337

µ = 91 ... 100
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
8808		200	-	68	15	18	100	6.4		200	–5.0	0.01		Rca69
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		13728
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
PCL86		230	–1.7	1417	1.2	1.6	100	62.5		230	–2.7	0.2		Rft56
ECC808		250	–1.9	1583	1.2	1.6	100	62.5						Sie64
ECL86		250	–1.9	1583	1.2	1.6	100	62.5		250	–2.9	0.2		Rft56
EBC91		250	–2.0	1667	1.2	1.6	100	62.5						Sie64
6C10  6DR4 12AX7 12AX7A 7247   I  ECC83		100	–1.0	2000	0.5	1.25	100	80						Tse61 Get61 Rca62 Get63 Phi70
		250	–2.0	1667	1.2	1.6	100	62.5
EC91		250	–1.5	150	10	8.5	100	12						Phi68
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		14533

µ = 101 ... 200
		Ua	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
ECC807		250	–1.5	1154	1.3	2.4	150	62.5						Bri
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		14356
		Uba	Ug	Rk	Ia	S	µ	ra		Ua	Ug	Ia		Ref *?
8628		120	–0.3	200	1.5	3.1	127	41		120	–1.7	0.01		Rca65
		V	V	OHM	mA	mA/V		kOHM		V	V	mA		13728

Telefunken RS297	Telefunken RS393