Vacuum Tube - KT88, Electro-Harmonix

Vacuum Tube - KT88, Electro-Harmonix

Electro-Harmonix
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Electro-Harmonix KT88 Vacuum Tube High power kinkless-tetrode for use in amplifiers such as the Marshall Major. This tube is a favorite of audiophiles. Can be used in place of 6550 for a more "round" bass signature.

SKU:
T-KT88-EH-X
Item ID:
004875
Brand:
Electro-Harmonix
Type:
RoHS Compliant
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Matched PairT-KT88-EH-MP609722128445
Matched QuadT-KT88-EH-MQ609722128452
Matched SextetT-KT88-EH-MS609722128469
SingleT-KT88-EH609722128438
Amplitude of Input Voltage16.5 V
Capacitance, Transfer1.1 pF
Capacitance, input18.5 pF
Capacitance, output12.5 pF
Cathode to Heater Voltage, Negative200 V
Cathode to Heater Voltage, Positive300 V
Filament Voltage (Uf)6.3 V
Grid 1 Voltage16.5 V
Grid 2 Current5 mA
Grid 2 Voltage225 V
Heater Current1.6 A
Item Diameter52 mm
Item Height125 mm
Load Resistance3 kΩ
Non-linear Harmonic Distortion13.5%
Output Power (POut)20 W
Plate Current (Ia)90 mA
Plate Voltage (Ua)400 V
Transconductance (S)9.5 mA/V
Packaging Information
Packaging DimensionsMatched Pair versionT-KT88-EH-MP5.5 in. × 4.3 in. × 2.2 in.
Matched Quad versionT-KT88-EH-MQ5.5 in. × 4.3 in. × 4.3 in.
Matched Sextet versionT-KT88-EH-MS6.5 in. × 5.5 in. × 4.3 in.
Single versionT-KT88-EH2.1 in. × 2.1 in. × 5.8 in.
Weight (Packaging)Matched Pair versionT-KT88-EH-MP1.0274 lbs.
Matched Quad versionT-KT88-EH-MQ2.0548 lbs.
Matched Sextet versionT-KT88-EH-MS3.0822 lbs.
Single versionT-KT88-EH0.2579 lbs.
T-KT88-EH - Single versionAmplitude of Input Voltage16.5 V
Capacitance, Transfer1.1 pF
Capacitance, input18.5 pF
Capacitance, output12.5 pF
Cathode to Heater Voltage, Negative200 V
Cathode to Heater Voltage, Positive300 V
Filament Voltage (Uf)6.3 V
Grid 1 Voltage16.5 V
Grid 2 Current5 mA
Grid 2 Voltage225 V
Heater Current1.6 A
Item Diameter52 mm
Item Height125 mm
Load Resistance3 kΩ
Non-linear Harmonic Distortion13.5%
Output Power (POut)20 W
Plate Current (Ia)90 mA
Plate Voltage (Ua)400 V
Transconductance (S)9.5 mA/V
T-KT88-EH-MP - Matched Pair versionAmplitude of Input Voltage16.5 V
Capacitance, Transfer1.1 pF
Capacitance, input18.5 pF
Capacitance, output12.5 pF
Cathode to Heater Voltage, Negative200 V
Cathode to Heater Voltage, Positive300 V
Filament Voltage (Uf)6.3 V
Grid 1 Voltage16.5 V
Grid 2 Current5 mA
Grid 2 Voltage225 V
Heater Current1.6 A
Item Diameter52 mm
Item Height125 mm
Load Resistance3 kΩ
Non-linear Harmonic Distortion13.5%
Output Power (POut)20 W
Plate Current (Ia)90 mA
Plate Voltage (Ua)400 V
Transconductance (S)9.5 mA/V
T-KT88-EH-MQ - Matched Quad versionAmplitude of Input Voltage16.5 V
Capacitance, Transfer1.1 pF
Capacitance, input18.5 pF
Capacitance, output12.5 pF
Cathode to Heater Voltage, Negative200 V
Cathode to Heater Voltage, Positive300 V
Filament Voltage (Uf)6.3 V
Grid 1 Voltage16.5 V
Grid 2 Current5 mA
Grid 2 Voltage225 V
Heater Current1.6 A
Item Diameter52 mm
Item Height125 mm
Load Resistance3 kΩ
Non-linear Harmonic Distortion13.5%
Output Power (POut)20 W
Plate Current (Ia)90 mA
Plate Voltage (Ua)400 V
Transconductance (S)9.5 mA/V
T-KT88-EH-MS - Matched Sextet versionAmplitude of Input Voltage16.5 V
Capacitance, Transfer1.1 pF
Capacitance, input18.5 pF
Capacitance, output12.5 pF
Cathode to Heater Voltage, Negative200 V
Cathode to Heater Voltage, Positive300 V
Filament Voltage (Uf)6.3 V
Grid 1 Voltage16.5 V
Grid 2 Current5 mA
Grid 2 Voltage225 V
Heater Current1.6 A
Item Diameter52 mm
Item Height125 mm
Load Resistance3 kΩ
Non-linear Harmonic Distortion13.5%
Output Power (POut)20 W
Plate Current (Ia)90 mA
Plate Voltage (Ua)400 V
Transconductance (S)9.5 mA/V

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet1.22 MB
Questions? Contact us at [email protected], or give us a call at 480-755-4712

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