
Russian tubes
| Tube | Va | Ia | Vc1 | Vc2 | Vrf in | Prf.out |
| 6P15P | 300 | 30 | -2.5 | 150 | 15 | 4 |
| 6P20S | 500 | 250 | -45 | 200 | 50 | 70 |
| 6P41S | 500 | 80 | -35 | 175 | 34 | 30 |
| 6P45S | 400 | 400 | -60 | 175 | 45 | 150 |
| GU-13 | 2500 | 200 | 0 | 0 | 140 | 345 |
| GU-19 | 600 | 125 | -20 | 250 | 20 | 50 |
| GU-29 | 750 | 200 | -20 | 225 | 30 | 100 |
| GU-33b | 1500 | 200 | -20 | 250 | 20 | 175 |
| GU-34b | 2000 | 600 | -25 | 400 | 25 | 720 |
| GU-43b | 3000 | 900 | -50 | 350 | 50 | 1600 |
| GU-50 | 1200 | 125 | -60 | 250 | 60 | 110 |
| GU-64 | 1200 | 150 | 0 | 0 | 70 | 100 |
| GU-70b | 2000 | 300 | -20 | 400 | 23 | 300 |
| GK-71 | 2000 | 220 | 0 | 0 | 133 | 300 |
| GU-72 | 1200 | 200 | -40 | 250 | 40 | 150 |
| GU-74b | 2000 | 500 | -32 | 300 | 32 | 550 |
| G-811 | 1500 | 160 | -4 | - | 85 | 180 |