Vacuum Tube - 12AT7 / ECC81, Electro-Harmonix
Superior large plate format Twin Triode, ideal for use in driver and reverb circuits. Offers superior dissipation compared to NOS versions of this tube.
- Excellent 12AT7 choice choice for HiFi
- Also suitable for guitar amp circuits
- ECC81 equivalent
RoHS Compliant
Accessory Items:
| Amplification Factor | 50 | |
| Capacitance, each triode | 1.6 pF | |
| Capacitance, input | 2.5 pF | |
| Capacitance, output | 0.4 pF | |
| Cathode to Heater Voltage | < 200 V | |
| Grid Circuit Resistance (Rg), Automatic Bias, Each Triode | 1.0 MΩ | |
| Grid Circuit Resistance (Rg), Fixed Bias, Each Triode | 0.25 MΩ | |
| Grid Reverse Current | 0.5 μA | |
| Grid Reverse Current Max | 55 mA | |
| Heater Current | 330 - 360 mA | |
| Heater Voltage | 6 V / 12 V | |
| Plate Current (Ia) | < 18 mA | |
| Plate Dissipation, per triode (Wa) | 3.25 W | |
| Plate Voltage (Ua) | < 330 V | |
| Transconductance (S) | 4.5 mA/V |
| Packaging Dimensions | 1 in. × 1 in. × 3 in. | |
| Weight (Packaging) | 0.0353 lbs. |
 Specification Sheet | All Models |
My Project Lists
Specifications, Files, and Documents
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.
