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Listed below are the essential characteristics of popular tubes
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POPULAR TRIODES
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Filament | µ | Maximum Ratings | Typical Operation | Max. Freq. for Full Ratings | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Volts | Amps | Plate
Diss. kW |
Pg. W | Eb, kV | Ib, A | Eb, kV | Ib, IA | Po, kW | Gain dB | |||
|
8873 |
6.3 | 3.0 | 240 | 0.2 | 5 | 2.2 | 0.4 | 2.0 | 0.3 | 0.3 | 15.3 | 500 |
|
3CX400A7 / 8874 |
6.3 | 3.0 | 240 | 0.4 | 5 | 2.2 | 0.4 | 2.0 | 0.3 | 0.3 | 15.3 | 500 |
|
3CX800A7 |
13.5 | 1.5 | 200 | 0.8 | 4 | 2.3 | 0.6 | 2.2 | 0.5 | 0.8 | 15.1 | 350 |
|
3CPX800A7 |
13.5 | 1.5 | 200 | 0.8 | 4 | 3.5 | 0.6 | 3.2 | 0.4 | 0.9 | 15.9 | 500 |
|
3CX1200A7 |
7.5 | 21.0 | 200 | 1.2 | 50 | 5.0 | 0.8 | 3.6 | 0.7 | 1.5 | 12.5 | 110 |
|
3CX1200D7 / YU-121 |
6.3 | 25.0 | 200 | 1.2 | 50 | 5.5 | 0.8 | 4.0 | 0.6 | 1.6 | 14.8 | 110 |
|
3CX1200D7 / YU-181 |
6.3 | 25.0 | 200 | 1.2 | 50 | 5.5 | 0.8 | 4.0 | 0.6 | 1.6 | 14.8 | 110 |
|
YC-236 |
5.0 | 10.5 | 200 | 1.5 | 20 | 4.0 | 1.0 | 4.0 | 0.9 | 2.0 | 16.0 | 250 |
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3CX1000A7 / 8283 |
5.0 | 30.5 | 200 | 1 | 45 | 3.5 | 1.0 | 3.5 | 0.9 | 2.1 | 13.1 | 220 |
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3CX1500A7 / 8877 |
5.0 | 10.5 | 200 | 1.5 | 20 | 4.0 | 1.0 | 3.5 | 1.0 | 2.1 | 15.1 | 250 |
| 10.0 | 17.5 | 200 | 5 | 35 | 6.5 | 2.5 | 6.0 | 1.6 | 5.0 | 14.2 | 110 | |
| 7.5 | 51.5 | 5 | 4 | 50 | 6.0 | 2.5 | 5.5 | 1.1 | 5.1 | 14.5 | 110 | |
|
3CX3000F1 / 8239 |
7.5 | 51.5 | 5 | 4 | 50 | 6.0 | 2.5 | 5.5 | 1.1 | 5.1 | 14.5 | 75 |
| 7.5 | 51.5 | 160 | 4 | 225 | 5.0 | 2.5 | 4.8 | 2.0 | 7.2 | 11.0 | 110 | |
|
3CX3000F7 |
7.5 | 50.5 | 160 | 4 | 225 | 5.0 | 2.5 | 4.8 | 2.0 | 7.2 | - | 75 |
| 7.5 | 51.5 | 20 | 4 | 150 | 6.0 | 2.5 | 6.0 | 2.1 | 10.0 | 18.7 | 75 | |
|
3CX6000A7 / YU-148 |
7.0 | 78.0 | 200 | 6 | 225 | 7.0 | 3.5 | 5.7 | 2.5 | 10.0 | 12.2 | 110 |
|
3CX10,000A3 / 8159 |
7.5 | 99.0 | 20 | 10 | 250 | 7.0 | 5.0 | 7.0 | 4.0 | 22.4 | 15.3 | 160 |
|
3CX10,000A7 / 8160 |
7.5 | 100.0 | 200 | 10 | 500 | 9.0 | 4.0 | 7.6 | 3.7 | 22.5 | 11.7 | 160 |
|
3CX15,000A7 |
6.3 | 160.0 | 200 | 15 | 500 | 10.0 | 5.0 | 7.0 | 4.6 | 25.5 | 9.9 | 110 |
|
3CX20,000A7 |
6.3 | 160.0 | 200 | 20 | 500 | 10.0 | 5.0 | 7.8 | 4.2 | 27.5 | 10.8 | 110 |
|
3-500Z |
5.0 | 14.6 | 130 | 0.5 | 20 | 4.0 | 0.4 | 3.0 | 0.4 | 0.74 | 14.0 | 110 |
|
3-1000Z |
7.5 | 20.0 | 200 | 1 | 50 | 6.0 | 0.7 | 6.0 | 0.7 | 3.2 | 13.2 | 110 |
|
811A |
6.3 | 4.0 | 60 watts | 8 | 1.5 | 0.175 | 1.5 | 0.16 | 0.16 | 13.0 | 30 | |
|
572B |
6.3 | 4.0 | 170 | 160 watts | 50 | 2.7 | 0.275 | 2.4 | 0.25 | 0.30 | 7.5 | 30 |
TETRODES
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|
Filament | Maximum Ratings | Typical Operation | Max. Freq. for Full Ratings | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Volts | Amps | Plate
Diss. kW |
Pg.1, W | Pg.2, W | Eb, kV | Ib, A | Eb, kV | Ib, IA | Po, kW | Gain dB | ||
|
8122 |
13.5 | 1.3 | 0.4 | – | 8 | 2.2 | 0.3 | 2.0 | 0.3 | 0.4 | – | 500 |
|
8930 |
6.0 | 2.6 | 0.4 | 2 | 12 | 2.4 | 0.3 | 2.0 | 0.3 | 0.4 | 21.0 | 500 |
| 6.0 | 2.6 | 0.3 | 2 | 12 | 2.0 | 0.3 | 2.0 | 0.3 | 0.4 | 21.3 | 500 | |
|
4CX250BC / 8957 |
6.0 | 2.4 | 0.3 | 2 | 12 | 2.0 | 0.3 | 2.0 | 0.3 | 0.4 | 21.3 | 500 |
|
4CX250FG / 8621 |
26.5 | 0.5 | 0.3 | 2 | 12 | 2.0 | 0.3 | 2.0 | 0.3 | 0.4 | 21.3 | 500 |
|
4CX250R / 7580W |
6.0 | 2.6 | 0.3 | 2 | 12 | 2.0 | 0.3 | 2.0 | 0.3 | 0.4 | 21.3 | 500 |
|
4CX300A / 8167 |
6.0 | 2.9 | 0.3 | 2 | 12 | 2.0 | 0.3 | 2.0 | 0.3 | 0.4 | 21.3 | 500 |
|
4CX350A / 8321 |
6.0 | 2.9 | 0.4 | 0 | 8 | 2.5 | 0.3 | 2.2 | 0.3 | 0.4 | 20.5 | 110 |
|
4CX350AC / 8321A |
6.0 | 2.9 | 0.4 | 0 | 8 | 2.5 | 0.3 | 2.2 | 0.3 | 0.4 | 20.5 | 110 |
|
4CX350F / 8322 |
26.5 | 0.7 | 0.4 | 0 | 8 | 2.5 | 0.3 | 2.2 | 0.3 | 0.4 | 20.5 | 110 |
|
4CX350FJ / 8904 |
26.5 | 0.7 | 0.4 | 0 | 8 | 2.5 | 0.3 | 2.2 | 0.3 | 0.4 | 20.5 | 110 |
|
4CX150A / 7034 |
6.0 | 2.6 | 0.3 | 2 | 12 | 2.0 | 0.3 | 2.0 | 0.3 | 0.4 | 21.3 | 150 |
|
8560AS |
6.3 | 2.6 | 0.3 | 2 | 12 | 2.0 | 0.3 | 2.0 | 0.3 | 0.4 | 21.3 | 500 |
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4CX300Y / 8561 |
6.0 | 3.5 | 0.4 | 1 | 8 | 2.0 | 0.4 | 2.0 | 0.4 | 0.6 | 21.9 | 110 |
|
4CX400A |
6.3 | 3.2 | 0.4 | 2 | 8 | 2.5 | 0.4 | 2.5 | 0.27 | 0.4 | – | 500 |
|
4CX600JB |
6.0 | 5.4 | 0.6 | 1 | 15 | 3.0 | 0.6 | 2.8 | 0.6 | 1.0 | 20.0 | 30 |
|
4CX800A / GU-74B |
12.6 | 3.6 | 0.8 | 2 | 15 | 2.5 | 0.8 | 3.2 | 0.63 | 0.8 | 150 | |
|
GU-84B / 4CX2500E |
27.0 | 3.7 | 2.5 | 1 | 30 | 2.2 | 2.0 | 2.0 | 1.25 | 1.5 | – | 75 |
|
4CX800A / GU74B |
12.6 | 3.6 | 0.8 | – | – | 2.5 | 0.8 | 3.2 | 0.63 | 0.8 | – | 150 |
|
4CX1500B / 8660 |
6.0 | 10.0 | 1.5 | 1 | 12 | 3.0 | 0.9 | 2.9 | 0.7 | 1.1 | 28.6 | 110 |
|
4CX1000A / 8168 |
6.0 | 9.0 | 1.0 | 1 | 12 | 3.0 | 1.0 | 3.0 | 0.9 | 1.6 | 20.0 | 110 |
|
4CX1500A |
5.0 | 38.5 | 1.5 | 25 | 75 | 5.0 | 1.0 | 4.0 | 0.8 | 2.5 | 28.4 | 150 |
|
4CX1600B |
12.6 | 4.4 | 1.6 | – | – | 3.3 | 1.4 | 2.4 | 0.87 | 2.1 | – | 250 |
| 9.0 | 41.5 | 3.5 | 50 | 175 | 7.0 | 2.0 | 6.0 | 1.5 | 7.1 | 23.1 | 150 | |
|
4CX3500A |
5.0 | 90.0 | 3.5 | 50 | 165 | 5.5 | 2.0 | 5.0 | 1.3 | 5.3 | 23.2 | 220 |
| 7.5 | 75.0 | 5.0 | 75 | 250 | 7.5 | 3.0 | 7.0 | 2.2 | 12.5 | 20.7 | 110 | |
|
4CX5000R / 8170W |
7.5 | 75.0 | 5.0 | 75 | 250 | 7.5 | 3.0 | 7.0 | 2.2 | 12.5 | 20.7 | 110 |
|
4CX7500A |
7.0 | 110.0 | 7.5 | 50 | 165 | 7.5 | 3.0 | 7.0 | 2.4 | 13.0 | 20.1 | 220 |
| 7.5 | 75.0 | 10.0 | 75 | 250 | 7.5 | 3.0 | 7.5 | 2.8 | 16.0 | 20.3 | 110 | |
|
4CX12,000A / 8989 |
6.5 | 120.0 | 12.0 | 150 | 300 | 10.0 | 3.5 | 10.0 | 2.8 | 22.5 | 19.1 | 220 |
|
4CX15,000A / 8281 |
6.3 | 160.0 | 15.0 | 200 | 450 | 10.0 | 6.0 | 10.0 | 4.6 | 36.5 | 22.2 | 110 |
|
4CX20,000A / 8990 |
10.0 | 140.0 | 20.0 | 200 | 450 | 10.0 | 5.0 | 9.0 | 4.1 | 28.8 | 19.5 | 110 |
|
9010 / YC-130 |
7.5 | 160.0 | 18.0 | 200 | 450 | 10.0 | 5.0 | 10.0 | 4.6 | 36.5 | 22.2 | 110 |
|
4-250A |
5.0 | 14.5 | .25 | 10 | 35 | 4.0 | 0.35 | 3.0 | 0.31 | 1.0 | – | 110 |
|
4-400A |
5.0 | 14.7 | .4 | 10 | 35 | 4.0 | 0.35 | 3.0 | 0.35 | 1.1 | – | 110 |
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4-1000A |
7.5 | 21.3 | 1.0 | 25 | 75 | 6.0 | 0.7 | 6.0 | 0.7 | 3.4 | – | 110 |