| KyteLabs InfoBase - Electron Tubes & Valves Data | Last modified: 2016-11-25 (18650) | 
| 4 | NF-Leistungsverstärker Audio Power Amplifier Characteristics  | 
| 4.6 | Tetroden und Pentoden im Gegentaktbetrieb Push-Pull Tetrodes and Pentodes  | 
| 4.6.2 | Ultralinear-Schaltungen Ultra-Linear Output Stages  | 
Das Bremsgitter g3 ist mit der Katode verbunden.
The suppressor grid g3 is tied to the cathode.
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| 5881 | 6550 | 6550A | 6973 | 7027A | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Class: | AB1 | AB1 | A1 | AB1 | AB | AB1 | |||||||||
| 
Ub: Ug1: Rg1: Rkk:  | 
450 - 100 400  | 
450 -48 50 -  | 
395 - - 200  | 
450 -48 - -  | 
375 -33.5 - -  | 
370 - - 355  | 
410 - - 220  | 
V V kOhm Ohm  | 
|||||||
| 
Cg1: Ck:  | 
0.2 100  | 
0.25 -  | 
µF µF  | 
||||||||||||
| 
Iaa: Ig2g2: Ikk:  | 
- - -  | 
- - -  | 
- - -  | 
- - -  | 
170 12.5 -  | 
174 23 -  | 
150 12 -  | 
265 38 -  | 
- - 62  | 
- - 95  | 
- - 74  | 
- - 84  | 
- - 134  | 
- - 155  | 
mA mA mA  | 
| 
RaaL: Pout: Ug2~: Ug1g1~: k:  | 
6.0 0 - 0 -  | 
6.0 20 0.43 80 2.5  | 
3.3 0 - 0 -  | 
3.3 70 0.4 96 2.5  | 
5.6 0 - 0 -  | 
5.6 34 0.4 70 1.5  | 
4.0 0 - 0 -  | 
4.0 70 0.4 96 2.4  | 
12.5 0 - 0 -  | 
12.5 18.5 0.5 67 1.5  | 
13 0 - 0 -  | 
13 15 0.43 62 1.2  | 
8.0 0 - 0 -  | 
8.0 24 0.43 68 1.6  | 
kOhm W x Ua~ V.pk %  | 
| Ref *? | Ci1 150 Tse62 | Ci2 97 Mik60 | 29 97 Get72 | 30 97 Get72 | 29 201 Syl70 | 30 150 Syl70 | 150 Rca59 | ||||||||
| 7189A | |||
|---|---|---|---|
| Class: | AB1 | ||
| 
Ub: Ug1: Rkk:  | 
375 - 220  | 
V V Ohm  | 
|
| 
Iaa: Ig2g2: Ikk:  | 
70 - -  | 
81 - -  | 
mA mA mA  | 
| 
RaaL: Pout: Ug2~: Ug1~: k:  | 
11 0 - 0 -  | 
11 16.5 0.43 12.5 3.0  | 
kOhm W x Ua~ V.rms %  | 
| Ref *? | 150 Syl59 | ||
| 7591A | 8417 | ||||||
|---|---|---|---|---|---|---|---|
| Class: | AB1 | AB1 | |||||
| 
Ub: Ug1: Rkk:  | 
400 -20.5 -  | 
425 - 185  | 
445 -25 -  | 
V V Ohm  | 
|||
| 
Iaa: Ig2g2: Ikk:  | 
80 11.5 -  | 
138 26.4 -  | 
88 13 -  | 
104 17.5 -  | 
146 - -  | 
- - -  | 
mA mA mA  | 
| 
RaaL: Pout: Ug2~: Ug1g1~: k:  | 
6.6 0 - 0 -  | 
6.6 32 0.4 41 1.0  | 
6.6 0 - 0 -  | 
6.6 26 0.4 42 2.0  | 
3.5 0 - 0 -  | 
3.5 70 0.4 45 2.5  | 
kOhm W x Ua~ V.pk %  | 
| Ref *? | 97 Syl70 | 97 Syl | |||||
| EL34 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Class: | AB | AB | AB | ||||||
| 
Ua: Ug2: Ug1: Rg2: Rk:  | 
450 - - 1.0 500  | 
430 - - 1.0 470  | 
430 425 - 1.0 470  | 
V V V kOhm Ohm  | 
|||||
| 
Iaa: Ig2g2: Ikk:  | 
110 18 -  | 
148 18 -  | 
125 20 -  | 
130 20.4 -  | 
140 28 -  | 
125 10 -  | 
130 10.2 -  | 
140 15 -  | 
mA mA mA  | 
| 
RaaL: Pout: Ug2~: Ug1g1~: k:  | 
7.0 0 - 0 -  | 
7.0 40 0.2 55.2 4.5  | 
6.0 0 - 0 -  | 
6.0 20 0.43 35 0.35  | 
6.0 34 0.43 50 2.5  | 
6.6 0 - 0 -  | 
6.6 20 0.43 32 0.8  | 
6.6 37 0.43 52 1.3  | 
kOhm W x Ua~ V.rms %  | 
| Ref *? | Ci3 Mul64 | Ci3 150 Mul64 | Ci3 150 Mik60 | ||||||
| EL84 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Class: | AB | ||||||||
| 
Ua: Ug2: Ug1: Rk:  | 
300 300 - 390+47  | 
300 300 - 270  | 
300 300 - 390+47  | 
300 300 - 270  | 
V V V Ohm  | 
||||
| Ikk: | 56 | 110 | 80 | 97 | 56 | 94 | 80 | 90 | mA | 
| 
RaaL: Pout: Ug2~: Ug1g1~: k:  | 
6.0 0 - 0 -  | 
6.0 14.4 0.2 17 0.85  | 
8.0 0 - 0 -  | 
8.0 15.4 0.2 18.3 1.17  | 
6.0 0 - 0 -  | 
6.0 10.1 0.43 16.8 0.72  | 
8.0 0 - 0 -  | 
8.0 11 0.43 16 0.7  | 
kOhm W x Ua~ V.rms %  | 
| Ref *? | Mul64 | 150 Mul64 | |||||||
| KT55 | |||
|---|---|---|---|
| Class: | AB | ||
| 
Ub: Ua: Ug2: Ug1: Rk:  | 
225 200 200 -22 185  | 
- - - - -  | 
V V V V Ohm  | 
| 
Rg2: Rg1: Rg1s: Cc: Cg1: Ck:  | 
47 220 10 1.0 0.1 250  | 
Ohm kOhm kOhm nF µF µF  | 
|
| 
Iaa: Ig2g2:  | 
220 15  | 
- -  | 
mA mA  | 
| 
RaaL: Zout: Pout: Ug2~: Ug1g1~: k:  | 
2.0 - 0 - 0 -  | 
2.0 2.35 25 0.2 60 1.5  | 
kOhm kOhm W x Ua~ V.pk %  | 
| Ref *? | Ci4 94 Mar55 | ||
| KT77 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Class: | AB1 | ||||||||
| 
Ub: Ua: Ug2: Ug1: Rg2: Rk:  | 
430 390 390 -31 22 470  | 
430 - - - 22 470  | 
400 391 391 -31 22 0  | 
400 - - - 22 0  | 
500 493 493 -43 22 0  | 
500 - - - 22 0  | 
600 594 594 -56 22 0  | 
600 - - - 22 0  | 
V V V V Ohm Ohm  | 
| 
Ibb: Iaa: Ig2g2:  | 
132 - -  | 
160 - -  | 
140 - -  | 
242 - -  | 
114 - -  | 
252 - -  | 
94 - -  | 
218 - -  | 
mA mA mA  | 
| 
RaaL: Pa+g2: Pout: Ug1g1~: k:  | 
6.0 26 0 0 -  | 
6.0 14 34 69 2.5  | 
4.5 27.5 0 0 -  | 
4.5 24 45 61 0.8  | 
5.5 28 0 0 -  | 
5.5 28 67 82 1.0  | 
9.0 28 0 0 -  | 
9.0 28 72 94 1.5  | 
kOhm W W V.pk %  | 
| Ref *? | 30 150 Gen77 | 29 150 151 Gen77 | |||||||
| KT88 KT100 TT21 | KT88 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Class: | AB1 | AB1 | |||||||
| 
Ub: Ua: Ug2: Ug1: Rk:  | 
375 328 328 -35 400  | 
375 - - - 400  | 
500 436 436 -52 600  | 
500 - - - 600  | 
460 453 453 -59 0  | 
460 - - - 0  | 
560 553 553 -75 0  | 
560 - - - 0  | 
V V V V Ohm  | 
| 
Ibb: Iaa: Ig2g2:  | 
174 - -  | 
192 - -  | 
174 - -  | 
198 - -  | 
100 - -  | 
280 - -  | 
100 - -  | 
314 - -  | 
mA mA mA  | 
| 
RaaL: Pa+g2: Pout: Ug1g1~: k:  | 
5.0 28.5 0 0 -  | 
5.0 16 30 71 1.0  | 
6.0 38 0 0 -  | 
6.0 17 50 104 1.5  | 
6.5 22.5 0 0 -  | 
6.5 27 70 114 2.0  | 
7.0 27.5 0 0 -  | 
7.0 33 100 140 2.0  | 
kOhm W W V.pk %  | 
| Ref *? | 30 94 97 117 Gec73 Gen74 Nat99 | 29 96 97 Gen74 | |||||||