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Vacuum Tube, 6550, Electro-Harmonix, Matched Quad, Power

$ 137.9 ~~$ 275.80~~

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Description Information Reviews

Name	Value
Brand	Electro-Harmonix
Amplifier Type	Unknown
Heater Voltage	6.0 V - 6.5 V
Heater Current	1.6 A
Heater to Cathode Voltage	300 V, -200 V
Plate Voltage, tetrode (U<sub>a</sub>)	800 V
Plate Voltage, triode (U<sub>a</sub>)	440 V
Cathode Current, Tetrode	230 mA
Cathode Current, Triode	190 mA
Plate Dissipation, per tetrode (W<sub>a</sub>)	42 W
Plate Dissipation, per triode (W<sub>a</sub>)	44 W
Screen Voltage	440 V
Screen Dissipation	6.6 W
Grid Circuit Resistance (R<sub>g</sub>), Fixed Bias	50 kΩ
Grid Circuit Resistance (R<sub>g</sub>), Self Bias	0.24 MΩ
Capacitance, grid to plate	0.88 pF
Capacitance, Grid to Others	18 pF
Capacitance, Plate to Others	12.5 pF
Bulb Temperature	250°C
Transconductance (S)	11.2 mA/V
Plate Resistance (R<sub>a</sub>)	14.8 kΩ
Type	Vacuum Tube
MPN	T-6550-EH-MQ
Compatible Brand	Any
Compatible Model	Any
UPC	609722128346