T-6550-EH-MS - Matched Sextet version | Bulb Temperature | 250°C |
Capacitance, Grid to Others | 18 pF |
Capacitance, Plate to Others | 12.5 pF |
Capacitance, grid to plate | 0.88 pF |
Cathode Current, Tetrode | 230 mA |
Cathode Current, Triode | 190 mA |
Grid Circuit Resistance (Rg), Fixed Bias | 50 kΩ |
Grid Circuit Resistance (Rg), Self Bias | 0.24 MΩ |
Heater Current | 1.6 A |
Heater Voltage | 6.0 V - 6.5 V |
Heater to Cathode Voltage | 300 V, -200 V |
Plate Dissipation, per tetrode (Wa) | 42 W |
Plate Dissipation, per triode (Wa) | 44 W |
Plate Resistance (Ra) | 14.8 kΩ |
Plate Voltage, tetrode (Ua) | 800 V |
Plate Voltage, triode (Ua) | 440 V |
Screen Dissipation | 6.6 W |
Screen Voltage | 440 V |
Transconductance (S) | 11.2 mA/V |
T-6550-EH-MP - Matched Pair version | Bulb Temperature | 250°C |
Capacitance, Grid to Others | 18 pF |
Capacitance, Plate to Others | 12.5 pF |
Capacitance, grid to plate | 0.88 pF |
Cathode Current, Tetrode | 230 mA |
Cathode Current, Triode | 190 mA |
Grid Circuit Resistance (Rg), Fixed Bias | 50 kΩ |
Grid Circuit Resistance (Rg), Self Bias | 0.24 MΩ |
Heater Current | 1.6 A |
Heater Voltage | 6.0 V - 6.5 V |
Heater to Cathode Voltage | 300 V, -200 V |
Plate Dissipation, per tetrode (Wa) | 42 W |
Plate Dissipation, per triode (Wa) | 44 W |
Plate Resistance (Ra) | 14.8 kΩ |
Plate Voltage, tetrode (Ua) | 800 V |
Plate Voltage, triode (Ua) | 440 V |
Screen Dissipation | 6.6 W |
Screen Voltage | 440 V |
Transconductance (S) | 11.2 mA/V |
T-6550-EH-MQ - Matched Quad version | Bulb Temperature | 250°C |
Capacitance, Grid to Others | 18 pF |
Capacitance, Plate to Others | 12.5 pF |
Capacitance, grid to plate | 0.88 pF |
Cathode Current, Tetrode | 230 mA |
Cathode Current, Triode | 190 mA |
Grid Circuit Resistance (Rg), Fixed Bias | 50 kΩ |
Grid Circuit Resistance (Rg), Self Bias | 0.24 MΩ |
Heater Current | 1.6 A |
Heater Voltage | 6.0 V - 6.5 V |
Heater to Cathode Voltage | 300 V, -200 V |
Plate Dissipation, per tetrode (Wa) | 42 W |
Plate Dissipation, per triode (Wa) | 44 W |
Plate Resistance (Ra) | 14.8 kΩ |
Plate Voltage, tetrode (Ua) | 800 V |
Plate Voltage, triode (Ua) | 440 V |
Screen Dissipation | 6.6 W |
Screen Voltage | 440 V |
Transconductance (S) | 11.2 mA/V |
T-6550-EH - Single version | Bulb Temperature | 250°C |
Capacitance, Grid to Others | 18 pF |
Capacitance, Plate to Others | 12.5 pF |
Capacitance, grid to plate | 0.88 pF |
Cathode Current, Tetrode | 230 mA |
Cathode Current, Triode | 190 mA |
Grid Circuit Resistance (Rg), Fixed Bias | 50 kΩ |
Grid Circuit Resistance (Rg), Self Bias | 0.24 MΩ |
Heater Current | 1.6 A |
Heater Voltage | 6.0 V - 6.5 V |
Heater to Cathode Voltage | 300 V, -200 V |
Plate Dissipation, per tetrode (Wa) | 42 W |
Plate Dissipation, per triode (Wa) | 44 W |
Plate Resistance (Ra) | 14.8 kΩ |
Plate Voltage, tetrode (Ua) | 800 V |
Plate Voltage, triode (Ua) | 440 V |
Screen Dissipation | 6.6 W |
Screen Voltage | 440 V |
Transconductance (S) | 11.2 mA/V |
Product Reviews
Check any review, at just about any site. This is Probably THE most respected new production 6550/KT88 for HI-FI, Leslie's or Hammond or Wurlitzer Amplifier circuits. These tube just flat out Kick Ass.