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ELECTRO HARMONIX GOLD 12AU7EH Tube Twin Triode

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The Electro-Harmonix Gold 12AU7EH is a dual triode tube with gold-plated contacts. Its excellent linearity makes it an ideal choice for preamplification.

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Reference : 21073
New product

26,90 €tax incl.

22,42 € tax excl.
Including 0,05 € for green tax

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Shipping date: 28-08-2025.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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3 >Month warranty
 
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Electro Harmonix Gold 12AU7EH Tube Twin Triode (Unit)

ELECTRO HARMONIX GOLD 12AU7EH : Front view


The Electro-Harmonix Gold 12AU7EH is a dual triode tube with gold-plated contacts. Its excellent linearity makes it an ideal choice for preamplification.

ELECTRO HARMONIX GOLD 12AU7EH : Dimensions and technical specifications

Technical specifications

Specifications
Product typeDual triode tube
Number of pins9
Contacts platingGold
ELECTRICAL PARAMETERS
Heater currentVoltage of 6.3V : 300-350V
Voltage of 12.6V : 150-175V
Grid reverse current0.2mA
Plate current7.5-13.5mA
First and second triodes plate current difference±40%
Amplification factor13
Cathode - heater insulation resistance20MΩ
Plate current at the beginning of the characteristic100µA
Limit values
Filament voltageParallel connection : 6-6.6V
Series connection :12-13.2V
Plate voltage300V
Power dissipation at the plate of each triode2.75W
Cathode current22mA
Grid circuit resistance for each of the triodesfixed bias : 0.25MΩ
Self-bias :1MΩ
General
PackageSold by unit
 
Data sheet
Contacts number9
Tube typeDual Triode
 
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ELECTRO HARMONIX GOLD 12AU7EH Tube Twin Triode (Unit)
ELECTRO HARMONIX GOLD 12AU7EH Tube Twin Triode (Unit)
The Electro-Harmonix Gold 12AU7EH is a dual triode tube with gold-plated contacts. Its excellent linearity makes it an ideal choice for...

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