Alle Eintakt-NF-Verstärker werden in Klasse A betrieben. Das Schirmgitter g2 ist mit der Anode, das Bremsgitter g3 mit der Katode verbunden.
All single-ended audio amplifiers are operated under class-A conditions. The screen grid g2 is tied to the plate, the suppressor grid g3 to the catode.

Pout = 0.1 ... 1.0 W
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		Ref *?
UL84		100	–8.0	267		30		1.2	0	0	-		Phi57
						-			0.05	1.8	-
						36.1			0.52	5.7	10
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		13969
		Uba V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		Ref *?
RV12  P2000		210	–7.0	1400		5.0		20	0.2	7.0	8.0		42 Tfk44
		Uba V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		13879
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		Ref *?
49		135	–20	-		6.0		12	0.17	-	-		Rca37
6G6G		180	–12	-		11		12	0	0	-		Tse39 Rca44
						-			0.25	12	5.0
KT61		250	–6.0	200		30		5.0	0.7	5.5	5.0		Mik60
42		250	–20	645		31		3.0	0.65	-	5.0		Rca37
42  KT63		250	-	650		31		4.0	0	0	-		Get46 Mik60
						32			0.8	20	6.5
		250	–20	-		31		4.0	0	0	-
						34			0.85	20	6.5
89		160	–20	1180		17		7.0	0.3	-	-		42 Rca37
		180	–22.5	1125		20		6.5	0.4	-	-
		250	–31	970		32		5.5	0.9	-	-
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		15570

Pout = 1.1 ... 2.0 W
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		Ref *?
46		250	–33	-		22		6.4	1.25	-	-		Rca37
59		250	–28	1080		26		5.0	1.25	-	-		42 Rca37
7581		250	–20	500		40		5.0	0	0	-		Tse62
						44			1.4	20	5.0
6L50		250	–22	550		40		5.0	0	0	-		Mik60
						45			1.4	22	5.0
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		14648

Pout = 2.1 ... 3.0 W
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		Ref *?
UL84		170	–15.1	302		50		1.2	0	0	-		Phi57
						-			0.05	1.75	-
						62			2.1	10.8	10
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		14648
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		Ref *?
6L50		300	–28	680		41		5.0	0	0	-		Mik60
						48			2.4	28	5.6
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		15565

		Ub V	Ua V	Ug V	Rk OHM		Pa W	Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		Ref *?
KT66		-	250	–19	315		15	60		2.75	0	0	-		88 Mar56 Osram
							-	-			2.2	19	6.0
		270	250	–20	330		15	60		2.75	0	0	-		Gec77
							-	-			2.2	20	6.0
		Ub V	Ua V	Ug V	Rk OHM		Pa W	Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		15565

Pout = 4.1 ... 5.0 W
		Ub V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		Ref *?
4699		375	–15	300		50		4.0	4.5	11	9.0		Phi48
4654		375	–23.5	470		50		3.0	4.5	17.5	9.0		Phi48
		Ub V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		15564

Pout = 5.1 ... 6.0 W
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		Ref *?
F2a  F2a11		330	–12.6	140		90		1.5	0	0	-		Sie54 Sie63
						-			0.05	0.87	-
						94			5.5	9.0	10
		Ua V	Ug V	Rk OHM		Ia mA		RaL kOHM	Pout W	Ug~ V.RMS	k %		15565

		Ub V	Ua V	Ug V	Rk OHM		Pa W	Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		Ref *?
KT66		440	400	–38	600		25	63		4.5	0	0	-		88 Mar56 Gec77 Osram
							-	-			5.8	38	7.0
		Ub V	Ua V	Ug V	Rk OHM		Pa W	Ia mA		RaL kOHM	Pout W	Ug~ V.PK	k %		15565

	6F6		6L6				5881
Ua: Ug: Rk:	250 –20 -	250 - 650	250 –20 -		250 - 490		250 –18 -		300 –20 -		V V OHM
Ia:	31	32	40	44	40	42	52	58	78	85	mA
RaL: Pout: Ug~: k:	4.0 0.85 - 5.0	4.0 0.8 20 6.5	5.0 0 0 -	5.0 1.4 20 5.0	6.0 0 0 -	6.0 1.3 20 6.0	4.0 0 0 -	4.0 1.4 18 6.0	4.0 0 0 -	4.0 1.8 20 5.5	kOHM W V.PK %
Ref *?	Rca35	Mik60	Rca37				Tse62

	E84L			EL3 EL33		EL11		EL34			EL36 Mullard	EL41
Ua: Ug: Rk:	250 - 270			250 -8.5 425		250 -8.5 410	250 -6.5 180	375 - 370			250 -10 200	250 -8.0 250		V V Ohm
Ia: Ig:	34 -	- -	36 -	20 -		20 -	36 -	70 -	- -	74 -	40 -	33 0	- 0.3	mA µA
RaL: Pout: Ug~: k:	3.5 0 0 -	3.5 0.05 1.0 -	3.5 1.95 6.7 9.0	7.0 0.05 1.1 -	7.0 1.1 5.9 5.0	7.0 1.2 5.5 7.0	5.0 1.2 4.5 6.0	3.0 0 0 -	3.0 0.05 1.7 -	3.0 6.0 18.9 8.0	3.5 2.0 6.7 5.0	3.5 0.05 1.1 -	3.5 1.55 6.0 8.0	kOhm W V.rms %
Ref *?	Sie63 Tfk65 Val62			Phi40 Mul58		Rwm53 Tfk40		Tfk65			Mik60	Fsr54 Phi52

	EL6		EL34
Ub: Ua: Ug:	- 250 -10		375 349 -26	375 348 -27	V V V
Ra: Rg2s: Rg: Rgs: Rk: Cg: Ck:	- 100 - - 250 - -		0 0 0.7 1.0 370 20 50		Ohm Ohm MOhm kOhm Ohm nF µF
Ia:	40		70	73.5	mA
RaL: Pout: Ug~: k:	3.5 0.05 1.0 -	3.5 2.0 6.8 5.0	3.0 0.05 1.7 0.3	3.0 6.0 18.9 8.0	kOhm W V.rms %
Ref *?	Ci3 Phi		Ci3 Fsr55

	EL84 - 6BQ5				EL86
Ua: Ug: Rk:	250 -9.0 -		250 -9.0 270		100 -8.0 270		170 -15.1 300		V V Ohm
Ia:	34	39	34	36	30	36.1	50	62	mA
RaL: Pout: Ug~: Ug~: k:	3.5 0.05 1.0 -	3.5 1.5 6.0 - 6.0	3.5 0 0 0 -	3.5 1.95 6.7 9.5 9.0	1.2 0 0 - -	1.2 0.52 5.7 - 10	1.2 0 0 - -	1.2 2.1 10.8 - 10	kOhm W V.rms V.pk %
Ref *?	Mul64		Get59		Mik60

Copyright © 2016Franz Hamberger, Berlin, Germany

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