Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix

Pictured: Regular
Pictured: Gold
Click to zoom in
Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix image 1Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix image 2
Customer Images:
No Images yet! Submit a product image below!

Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix

Starting at: $13.95
In stock

Electro-Harmonix 12AU7A / ECC82 Vacuum Tube Medium-Mu twin triode for use in preamplifier and driver circuits.

Item ID:
Part Numbers
Pin TypeOur Part NumberUPC/EAN
Product Measurements
Amplification FactorRegular version15 min, 17 nominal
Capacitance, Cathode To HeaterRegular version5.0 nF
Capacitance, Grid To Cathode And HeaterRegular version2.0 pF
Capacitance, Grid To PlateRegular version1.8 pF
Capacitance, Plate To Cathode And HeaterRegular version1.5 pF
Capacitance, Plate To PlateRegular version500 pF
Grid Reverse CurrentRegular version0.5 μA
Heater CurrentRegular version0.3 A / 0.15 A
Heater To Cathode Voltage, NegativeRegular version200 V
Heater To Cathode Voltage, PositiveRegular version100 V
Heater VoltageRegular version6.0 - 6.6 V / 12.0 - 13.2 V
Heater Warmup TimeRegular version12 s
Maximum Grid Circuit Resistance, FixedRegular version1 MΩ
Maximum Grid Circuit Resistance, SelfRegular version2.2 MΩ
Plate CurrentRegular version8 mA
Plate Dissipation, Each TriodeRegular version2.75 W
Plate ResistanceRegular version7.5 kΩ
Plate VoltageRegular version330 V
TransconductanceRegular version2.2 mA/V
Packaging Information
Packaging DimensionsGold version2.75 in. × 1 in. × 1 in.
Regular version1 in. × 1 in. × 3 in.
Weight (Packaging)Gold version0.035 lbs.
Regular version0.038 lbs.

My Project Lists

You must be logged in to add items to a project list.

Specifications, Files, and Documents

PDF: Specification Sheet (745.24 KB)Specification Sheet

Questions and Answers

Click each question to see its answers.
Asked by Mike Dykes on February 20th, 2018. 1 person subscribed to this question
Please log in to receive notifications when this question is answered.
Matt H.
February 23rd, 2018
These are not balanced and we recommend the TAD 12AU7 as they are balanced. Do a search for SKU: T-12AU7A-TAD.
Have a question of your own? Ask us here!

Product Reviews

No product reviews yet! Be the first!

Substitute Products

The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.

Don't see what you're looking for? Send us your product suggestions!