Vacuum Tube - 12AX7WB, Sovtek

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Vacuum Tube - 12AX7WB, Sovtek

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Sovtek 12AX7WB dual triode.

RoHS Compliant
Item ID:
Product Measurements by Type
Amplification Factor95 -110
Bulb Temperature95°C
Capacitance, Plate to Plate0.4 nF
Capacitance, Transfer0.55 nF
Capacitance, input2.15 nF
Capacitance, output1.9 nF
Cathode to Heater Voltage100 V
Grid Reverse Current0.2 μA
Heater Current305 / 153 mA
Heater Voltage6.0 - 6.6 V / 12.0 - 13.2 V
Plate Current (Ia)10 mA
Plate Dissipation, per triode (Wa)1.0 W
Plate Voltage (Ua)300 V
Transconductance (S)1.4 mA/V - 2.65 mA/V
Packaging Information
Packaging Dimensions0.868 in. × 0.868 in. × 2.137 in.
Weight (Packaging)0.05 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet532.23 KB

Questions and Answers

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Asked by Anonymous on July 19th, 2017.
Matt H
July 19th, 2017
Yes, this is a nice tube and would be good in a guitar amp.
Asked by Anonymous on July 26th, 2018.
July 26th, 2018
Staff Member
This tube is a great option to consider for Jazz. It has a low/medium gain rating and is noted for having a sweet, warm sound.

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