Vacuum Tube - KT77, Genalex Gold Lion
Genalex Gold Lion KT77 beam-power tetrode tube. Made in Russia.
A beam tetrode with an absolute maximum anode dissipation rating of 32 watts. The KT77 is designed for use in the output stage of an af amplifier. Two valves in Class AB1 give a continuous output of over 70 W.
Single or Matched | Our Part Number | UPC/EAN |
---|---|---|
Single | T-KT77-GEN | 841358102554 |
Matched Pair | T-KT77-GEN-MP | 841358102561 |
Matched Quad | T-KT77-GEN-MQ | 841358102578 |
Amplification Factor | 11.5 | ||
Bulb Temperature | 250°C | ||
Capacitance, Grid to Others | 16.5 pF | ||
Capacitance, Plate to Others | 9.0 pF | ||
Capacitance, grid to plate | 1.0 pF | ||
Cathode Current (Ik) | 200 mA | ||
Grid Circuit Resistance (Rg), Cathode Bias | 1 MΩ | ||
Grid Circuit Resistance (Rg), Fixed Bias | 0.5 MΩ | ||
Grid Voltage (Ug) | -220 V | ||
Heater-Cathode Voltage (Uh/k) | 200 V | ||
Heater Current | 1.4 A | ||
Heater Voltage | 6.3 V | ||
Plate Dissipation (Wa) | 32 W | ||
Plate Resistance (Ra) | 23 kΩ | ||
Plate Voltage (Ua) | ≤ 800 V, 250 V typical | ||
Screen Dissipation | 6.0 W | ||
Screen Voltage | ≤ 650 V, 250 V typical | ||
Transconductance (S) | 10.5 mA/V |
Packaging Dimensions | Matched Pair version | T-KT77-GEN-MP | 4.79 in. × 3.47 in. × 1.74 in. |
Matched Quad version | T-KT77-GEN-MQ | 4.79 in. × 3.47 in. × 3.47 in. | |
Single version | T-KT77-GEN | 4.75 in. × 1.75 in. × 1.75 in. | |
Weight (Packaging) | Matched Pair version | T-KT77-GEN-MP | 0.2778 lbs. |
Matched Quad version | T-KT77-GEN-MQ | 0.5556 lbs. | |
Single version | T-KT77-GEN | 0.1301 lbs. |
T-KT77-GEN-MP - Matched Pair version | Amplification Factor | 11.5 |
Bulb Temperature | 250°C | |
Capacitance, Grid to Others | 16.5 pF | |
Capacitance, Plate to Others | 9.0 pF | |
Capacitance, grid to plate | 1.0 pF | |
Cathode Current (Ik) | 200 mA | |
Grid Circuit Resistance (Rg), Cathode Bias | 1 MΩ | |
Grid Circuit Resistance (Rg), Fixed Bias | 0.5 MΩ | |
Grid Voltage (Ug) | -220 V | |
Heater-Cathode Voltage (Uh/k) | 200 V | |
Heater Current | 1.4 A | |
Heater Voltage | 6.3 V | |
Plate Dissipation (Wa) | 32 W | |
Plate Resistance (Ra) | 23 kΩ | |
Plate Voltage (Ua) | ≤ 800 V, 250 V typical | |
Screen Dissipation | 6.0 W | |
Screen Voltage | ≤ 650 V, 250 V typical | |
Transconductance (S) | 10.5 mA/V | |
T-KT77-GEN-MQ - Matched Quad version | Amplification Factor | 11.5 |
Bulb Temperature | 250°C | |
Capacitance, Grid to Others | 16.5 pF | |
Capacitance, Plate to Others | 9.0 pF | |
Capacitance, grid to plate | 1.0 pF | |
Cathode Current (Ik) | 200 mA | |
Grid Circuit Resistance (Rg), Cathode Bias | 1 MΩ | |
Grid Circuit Resistance (Rg), Fixed Bias | 0.5 MΩ | |
Grid Voltage (Ug) | -220 V | |
Heater-Cathode Voltage (Uh/k) | 200 V | |
Heater Current | 1.4 A | |
Heater Voltage | 6.3 V | |
Plate Dissipation (Wa) | 32 W | |
Plate Resistance (Ra) | 23 kΩ | |
Plate Voltage (Ua) | ≤ 800 V, 250 V typical | |
Screen Dissipation | 6.0 W | |
Screen Voltage | ≤ 650 V, 250 V typical | |
Transconductance (S) | 10.5 mA/V | |
T-KT77-GEN - Single version | Amplification Factor | 11.5 |
Bulb Temperature | 250°C | |
Capacitance, Grid to Others | 16.5 pF | |
Capacitance, Plate to Others | 9.0 pF | |
Capacitance, grid to plate | 1.0 pF | |
Cathode Current (Ik) | 200 mA | |
Grid Circuit Resistance (Rg), Cathode Bias | 1 MΩ | |
Grid Circuit Resistance (Rg), Fixed Bias | 0.5 MΩ | |
Grid Voltage (Ug) | -220 V | |
Heater-Cathode Voltage (Uh/k) | 200 V | |
Heater Current | 1.4 A | |
Heater Voltage | 6.3 V | |
Plate Dissipation (Wa) | 32 W | |
Plate Resistance (Ra) | 23 kΩ | |
Plate Voltage (Ua) | ≤ 800 V, 250 V typical | |
Screen Dissipation | 6.0 W | |
Screen Voltage | ≤ 650 V, 250 V typical | |
Transconductance (S) | 10.5 mA/V |
Specification Sheet | All Models |
My Project Lists
Specifications, Files, and Documents
Questions? Contact us at [email protected], or give us a call at 480-755-4712
Customers who purchased this item also bought
- Potentiometer - Alpha, Audio, Dual
- Capacitor - JJ Electronics, 500V, 50/50µF, Electrolytic
- Transformer - Reverb Driver, for Fender® Amps, 125A20B Replacement
- Vacuum Tube - 12AX7 / ECC83, JJ Electronics
- Potentiometer - Bourns, Audio, Knurled Shaft, Mini
- Potentiometer - Bourns, Linear, Knurled Shaft, Mini