Vacuum Tube - KT90, Electro-Harmonix
Electro-Harmonix KT90 power tube. Made in Russia.
Absolutely the best KT90 ever developed. Wafer base height of 0.34”.
Single or Matched | Our Part Number | UPC/EAN |
---|---|---|
Single | T-KT90-EH | 841358102639 |
Matched Pair | T-KT90-EH-MP | 841358102646 |
Matched Quad | T-KT90-EH-MQ | 841358102653 |
Cathode Current (Ik) | 230 mA | ||
Cathode to Heater Voltage | 300 V | ||
Grid 1 Voltage | ≥ -200 V | ||
Grid 2 Current | 14 mA | ||
Grid 2 Dissipation | 8 W | ||
Grid 2 Voltage | ≤ 650 V | ||
Heater Current | 1.6 A | ||
Heater Voltage | 6.0 V - 6.5 V | ||
Item Diameter | 39 mm | ||
Item Height | 125 mm | ||
Non-linear Harmonic Distortion | 14 % | ||
Output Power (POut) | 12.0 W | ||
Plate Current (Ia) | 140 mA | ||
Plate Dissipation (Wa) | 46 W | ||
Plate Voltage (Ua) | ≤ 850 V | ||
Transconductance (S) | 12 mA/V |
Packaging Dimensions | Matched Pair version | T-KT90-EH-MP | 5.51 in. × 4.24 in. × 2.08 in. |
Matched Quad version | T-KT90-EH-MQ | 5.51 in. × 4.24 in. × 4.24 in. | |
Single version | T-KT90-EH | 5.5 in. × 2.25 in. × 2.25 in. | |
Weight (Packaging) | Matched Pair version | T-KT90-EH-MP | 0.3919 lbs. |
Matched Quad version | T-KT90-EH-MQ | 0.7839 lbs. | |
Single version | T-KT90-EH | 0.2072 lbs. |
T-KT90-EH-MP - Matched Pair version | Cathode Current (Ik) | 230 mA |
Cathode to Heater Voltage | 300 V | |
Grid 1 Voltage | ≥ -200 V | |
Grid 2 Current | 14 mA | |
Grid 2 Dissipation | 8 W | |
Grid 2 Voltage | ≤ 650 V | |
Heater Current | 1.6 A | |
Heater Voltage | 6.0 V - 6.5 V | |
Item Diameter | 39 mm | |
Item Height | 125 mm | |
Non-linear Harmonic Distortion | 14 % | |
Output Power (POut) | 12.0 W | |
Plate Current (Ia) | 140 mA | |
Plate Dissipation (Wa) | 46 W | |
Plate Voltage (Ua) | ≤ 850 V | |
Transconductance (S) | 12 mA/V | |
T-KT90-EH-MQ - Matched Quad version | Cathode Current (Ik) | 230 mA |
Cathode to Heater Voltage | 300 V | |
Grid 1 Voltage | ≥ -200 V | |
Grid 2 Current | 14 mA | |
Grid 2 Dissipation | 8 W | |
Grid 2 Voltage | ≤ 650 V | |
Heater Current | 1.6 A | |
Heater Voltage | 6.0 V - 6.5 V | |
Item Diameter | 39 mm | |
Item Height | 125 mm | |
Non-linear Harmonic Distortion | 14 % | |
Output Power (POut) | 12.0 W | |
Plate Current (Ia) | 140 mA | |
Plate Dissipation (Wa) | 46 W | |
Plate Voltage (Ua) | ≤ 850 V | |
Transconductance (S) | 12 mA/V | |
T-KT90-EH - Single version | Cathode Current (Ik) | 230 mA |
Cathode to Heater Voltage | 300 V | |
Grid 1 Voltage | ≥ -200 V | |
Grid 2 Current | 14 mA | |
Grid 2 Dissipation | 8 W | |
Grid 2 Voltage | ≤ 650 V | |
Heater Current | 1.6 A | |
Heater Voltage | 6.0 V - 6.5 V | |
Item Diameter | 39 mm | |
Item Height | 125 mm | |
Non-linear Harmonic Distortion | 14 % | |
Output Power (POut) | 12.0 W | |
Plate Current (Ia) | 140 mA | |
Plate Dissipation (Wa) | 46 W | |
Plate Voltage (Ua) | ≤ 850 V | |
Transconductance (S) | 12 mA/V |
Specification Sheet | All Models |
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