FacebookKR 300B BALLOON Tube
KR300B Balloon
Low Frequency, high power triode. 6-12 Watts of pure class-A power. Fully compatible with classic 300B.
SPECIFICATIONS
| Filament Voltage | 5.0 V |
| Filament Current | 1.2 A |
| Amplification Factor | 3.9 |
Maximum Ratings
| DC Plate Voltage | 550 V |
| DC Plate Current | 120 mA |
| Dissipation | 50 Watts |
Testing Point
| DC Plate Voltage | 450 V |
| DC Plate Current | 100 mA |
| Grid Voltage | -90 V |
| Plate Resistance | 630 ohm |
| Transconductance | 6.2 mA/V |
