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 |
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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.
