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Vacuum Tube - 6H30PI, Electro-Harmonix, Gold Pin
Sovtek 6H30PI dual triode preamp tube with gold pins. Made in Russia. The 6H30 is a medium-mu dual triode with a very high-perveance cathode. The low plate resistance, combined with a superior linearity, and a true 4 watt per plate dissipation, make for a high performance voltage amp or driver.
| Amplification Factor | 15 | |
| Capacitance, Grid to Cathode and Heater | 6.3 pF | |
| Capacitance, Plate to Cathode and Heater | 2.4 pF | |
| Capacitance, grid to plate | 6 pF | |
| Diameter | 0.87 in. | |
| Grid Circuit Resistance (Rg), Fixed Bias | 0.1 MΩ | |
| Grid Circuit Resistance (Rg), Self Bias | 0.6 MΩ | |
| Heater Current | 850 mA | |
| Heater Voltage | 6.0 V - 6.5 V | |
| Heater to Cathode Voltage | 100 V | |
| Item Height | 2.47 in. | |
| Plate Current (Ia) | 100 mA | |
| Plate Dissipation (Wa) | 4.0 W | |
| Plate Resistance (Ra) | 840 Ω | |
| Plate Voltage (Ua) | 250 V | |
| Transconductance (S) | 18 mA/V |
| Packaging Dimensions | 3.38 in. × 1 in. × 1 in. | |
| Weight (Packaging) | 0.048 lbs. |
 Specification Sheet | All Models |
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