Vacuum Tube - 6550, Tung-Sol Reissue

Vacuum Tube - 6550, Tung-Sol Reissue

Tung-Sol
Vacuum Tube - 6550, Tung-Sol Reissue image 1
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Copy of the original type 3 Tung-Sol 6550 made in the 1960s. Triple getter, carbonized screen, and gold plated grid. The current production benchmark of the classic 6550. Made in Saratov, Russia

Apex Tube Matching
Matched versions of this tube use Apex Matching
RoHS Compliant
SKU:
T-6550-TUNG
Item ID:
004597
Brand:
Tung-Sol, Apex Matched
Type:
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Apex Matched PairT-6550-TUNG-MP609722129800
Apex Matched QuadT-6550-TUNG-MQ609722129817
Apex Matched SextetT-6550-TUNG-MS609722129824
SingleT-6550-TUNG683274021140
Product Measurements by Type
Bulb Temperature250°C
Capacitance, grid to plate0.8 pF
Capacitance, input15 pF
Capacitance, output10 pF
Cathode Current (Ik)190 mA
Grid 1 Voltage-300 V
Grid 2 Dissipation6 W
Grid 2 Voltage, Pentode440 V
Grid 2 Voltage, Triode500 V
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias250 kΩ
Heater Cathode Voltage, Negative300 V
Heater Cathode Voltage, Positive100 V
Heater Current1.6 A
Heater Voltage6.3 V
Plate Dissipation (Wa)42 W
Plate Voltage (Ua)660 V
Packaging Information
Packaging DimensionsApex Matched Pair versionT-6550-TUNG-MP5.6 in. × 4.4 in. × 2.1 in.
Apex Matched Quad versionT-6550-TUNG-MQ5.6 in. × 4.4 in. × 4.4 in.
Apex Matched Sextet versionT-6550-TUNG-MS6.4 in. × 5.6 in. × 4.4 in.
Single versionT-6550-TUNG2.1 in. × 2.1 in. × 5.5 in.
Weight (Packaging)Apex Matched Pair versionT-6550-TUNG-MP0.45 lbs.
Apex Matched Quad versionT-6550-TUNG-MQ0.9 lbs.
Apex Matched Sextet versionT-6550-TUNG-MS1.35 lbs.
Single versionT-6550-TUNG0.225 lbs.
Product Measurements by Item
T-6550-TUNG-MP - Apex Matched Pair versionBulb Temperature250°C
Capacitance, grid to plate0.8 pF
Capacitance, input15 pF
Capacitance, output10 pF
Cathode Current (Ik)190 mA
Grid 1 Voltage-300 V
Grid 2 Dissipation6 W
Grid 2 Voltage, Pentode440 V
Grid 2 Voltage, Triode500 V
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias250 kΩ
Heater Cathode Voltage, Negative300 V
Heater Cathode Voltage, Positive100 V
Heater Current1.6 A
Heater Voltage6.3 V
Plate Dissipation (Wa)42 W
Plate Voltage (Ua)660 V
T-6550-TUNG-MQ - Apex Matched Quad versionBulb Temperature250°C
Capacitance, grid to plate0.8 pF
Capacitance, input15 pF
Capacitance, output10 pF
Cathode Current (Ik)190 mA
Grid 1 Voltage-300 V
Grid 2 Dissipation6 W
Grid 2 Voltage, Pentode440 V
Grid 2 Voltage, Triode500 V
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias250 kΩ
Heater Cathode Voltage, Negative300 V
Heater Cathode Voltage, Positive100 V
Heater Current1.6 A
Heater Voltage6.3 V
Plate Dissipation (Wa)42 W
Plate Voltage (Ua)660 V
T-6550-TUNG-MS - Apex Matched Sextet versionBulb Temperature250°C
Capacitance, grid to plate0.8 pF
Capacitance, input15 pF
Capacitance, output10 pF
Cathode Current (Ik)190 mA
Grid 1 Voltage-300 V
Grid 2 Dissipation6 W
Grid 2 Voltage, Pentode440 V
Grid 2 Voltage, Triode500 V
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias250 kΩ
Heater Cathode Voltage, Negative300 V
Heater Cathode Voltage, Positive100 V
Heater Current1.6 A
Heater Voltage6.3 V
Plate Dissipation (Wa)42 W
Plate Voltage (Ua)660 V
T-6550-TUNG - Single versionBulb Temperature250°C
Capacitance, grid to plate0.8 pF
Capacitance, input15 pF
Capacitance, output10 pF
Cathode Current (Ik)190 mA
Grid 1 Voltage-300 V
Grid 2 Dissipation6 W
Grid 2 Voltage, Pentode440 V
Grid 2 Voltage, Triode500 V
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias250 kΩ
Heater Cathode Voltage, Negative300 V
Heater Cathode Voltage, Positive100 V
Heater Current1.6 A
Heater Voltage6.3 V
Plate Dissipation (Wa)42 W
Plate Voltage (Ua)660 V

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PDF: Specification Sheet Specification Sheet3.01 MB

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