KT77, Genalex Gold Lion Vacuum Tube, Matched Pair, Power
USD 156.60 USD
Specifications
| Brand | Genalex |
| MPN | T-KT77-GEN-MP |
| Compatible Brand | Any |
| Compatible Model | Any |
| Features | None |
| Amplifier Type | Unknown |
| Heater Voltage | 6.3 V |
| Heater Current | 1.4 A |
| Plate Voltage (U<sub>a</sub>) | ≤ 800 V, 250 V typical |
| Screen Voltage | ≤ 650 V, 250 V typical |
| Plate Dissipation (W<sub>a</sub>) | 32 W |
| Screen Dissipation | 6.0 W |
| Cathode Current (I<sub>k</sub>) | 200 mA |
| Heater-Cathode Voltage (U<sub>h/k</sub>) | 200 V |
| Grid Voltage (U<sub>g</sub>) | -220 V |
| Grid Circuit Resistance (R<sub>g</sub>), Cathode Bias | 1 MΩ |
| Grid Circuit Resistance (R<sub>g</sub>), Fixed Bias | 0.5 MΩ |
| Bulb Temperature | 250°C |
| Capacitance, Grid To Plate | 1.0 pF |
| Capacitance, Grid To Others | 16.5 pF |
| Capacitance, Plate To Others | 9.0 pF |
| Plate Resistance (R<sub>a</sub>) | 23 kΩ |
| Amplification Factor | 11.5 |
| Transconductance (S) | 10.5 mA/V |
| Type | Vacuum Tube |
| UPC | 841358102561 |
Genalex Gold Lion KT77 beam-power tetrode tube. Made in Russia. Two valves in Class AB1 give a continuous output of over 70 W. Bulb Temperature 250°C. Capacitance, grid to plate 1.0 pF. Capacitance, Plate to Others 9.0 pF.
Related Items
SYLVANIA 6BN6 Vintage Electronic Vacuum Tube – NOS – New Old Stock ~ Tested
Pair RCA 6SL7GT VT-229 Mil Spec JAN Round Plate Foil Getter Tubes TV7 Strong
Single Philips EL34 Vacuum Tube Tested on Amplitrex AT1000
Amperex 6BA6 / EF93 Audio Electron Tube -New Old Stock -In Original Box
National 12AU7 / ECC82 RFT East Germany Tube – Strong Tested, Low Microphonic/
NOS GE 12AT7/ECC81 vacuum tubes USA made
Vintage 6in Speaker 8 Ohm A0513-054664 PT-83 8005 Great Working Speaker!
(3) Sylvania 6189W Tubes (USA JAN) tubes 1981
