Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix

Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix

Electro-Harmonix
Pictured: Regular
Pictured: Regular
Pictured: Gold
Pictured: Gold
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Pictured: RegularPictured: Gold
In Stock

Superior medium-Mu Twin Triode for use in preamplifier and driver circuits. Standard replacement for all circuits requiring 12AU7/ECC82 types.

  • Low microphonics, high linearity
  • Reproduction of the NOS GE 6189
  • ECC82 equivalent
SKU:
T-12AU7A-EH
Item ID:
004438
Brand:
Electro-Harmonix
Part Numbers
Pin TypeOur Part NumberUPC/EAN
RegularT-12AU7A-EH683274021652
GoldT-12AU7-GOLD-EH841358101724
Amplification Factor15 min, 17 nominal
Capacitance, Cathode to Heater5.0 nF
Capacitance, Grid to Cathode and Heater2.0 pF
Capacitance, Plate to Cathode and Heater1.5 pF
Capacitance, Plate to Plate500 pF
Capacitance, grid to plate1.8 pF
Grid Circuit Resistance (Rg), Fixed Bias1 MΩ
Grid Circuit Resistance (Rg), Self Bias2.2 MΩ
Grid Reverse Current0.5 μA
Heater Current0.3 A / 0.15 A
Heater Voltage6.0 - 6.6 V / 12.0 - 13.2 V
Heater Warmup Time12 s
Heater to Cathode Voltage, Negative200 V
Heater to Cathode Voltage, Positive100 V
Plate Current (Ia)22 mA
Plate Dissipation, per triode (Wa)2.75 W
Plate Resistance (Ra)7.5 kΩ
Plate Voltage (Ua)330 V
Transconductance (S)2.2 mA/V
Packaging Information
Packaging DimensionsGold versionT-12AU7-GOLD-EH2.75 in. × 1 in. × 1 in.
Regular versionT-12AU7A-EH1 in. × 1 in. × 3 in.
Weight (Packaging)Gold versionT-12AU7-GOLD-EH0.0353 lbs.
Regular versionT-12AU7A-EH0.0331 lbs.
T-12AU7-GOLD-EH - Gold versionAmplification Factor15 min, 17 nominal
Capacitance, Cathode to Heater5.0 nF
Capacitance, Grid to Cathode and Heater2.0 pF
Capacitance, Plate to Cathode and Heater1.5 pF
Capacitance, Plate to Plate500 pF
Capacitance, grid to plate1.8 pF
Grid Circuit Resistance (Rg), Fixed Bias1 MΩ
Grid Circuit Resistance (Rg), Self Bias2.2 MΩ
Grid Reverse Current0.5 μA
Heater Current0.3 A / 0.15 A
Heater Voltage6.0 - 6.6 V / 12.0 - 13.2 V
Heater Warmup Time12 s
Heater to Cathode Voltage, Negative200 V
Heater to Cathode Voltage, Positive100 V
Plate Current (Ia)22 mA
Plate Dissipation, per triode (Wa)2.75 W
Plate Resistance (Ra)7.5 kΩ
Plate Voltage (Ua)330 V
Transconductance (S)2.2 mA/V
T-12AU7A-EH - Regular versionAmplification Factor15 min, 17 nominal
Capacitance, Cathode to Heater5.0 nF
Capacitance, Grid to Cathode and Heater2.0 pF
Capacitance, Plate to Cathode and Heater1.5 pF
Capacitance, Plate to Plate500 pF
Capacitance, grid to plate1.8 pF
Grid Circuit Resistance (Rg), Fixed Bias1 MΩ
Grid Circuit Resistance (Rg), Self Bias2.2 MΩ
Grid Reverse Current0.5 μA
Heater Current0.3 A / 0.15 A
Heater Voltage6.0 - 6.6 V / 12.0 - 13.2 V
Heater Warmup Time12 s
Heater to Cathode Voltage, Negative200 V
Heater to Cathode Voltage, Positive100 V
Plate Current (Ia)22 mA
Plate Dissipation, per triode (Wa)2.75 W
Plate Resistance (Ra)7.5 kΩ
Plate Voltage (Ua)330 V
Transconductance (S)2.2 mA/V

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet745.24 KB
Questions? Contact us at [email protected], or give us a call at 480-755-4712

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