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Vacuum Tube - 12AT7WC, Electro-Harmonix
Electro-Harmonix 12AT7WC dual triode preamp tube. Made in Russia. “Xtra Low Microphonic”. Small plate format dual triode, with low microphonics and superior dissipation compared to NOS originals. Ideal for reverb circuits.
- Extra-low microphonics makes it the best 12AT7 choice for reverb circuits. Also suitable for HiFi.
- Factory selected for closest tolerances and most consistent performance
- ECC81 equivalent
| Amplification Factor | ≥ 50 | ||
| Capacitance, Transfer | 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 | 1.0 MΩ | ||
| Grid Circuit Resistance (Rg), Fixed Bias | 0.25 MΩ | ||
| Grid Reverse Current | 0.5 μA | ||
| Heater Current | 165 mA - 330 mA | ||
| Heater Voltage | 6.0 - 6.6 V / 12.0 - 13.2 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 | 2.75 in. × 1 in. × 1 in. | ||
| Weight (Packaging) | 0.0331 lbs. | ||
 Specification Sheet | All Models |
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Product Reviews
Excellent replacement to the stock tubes in my 1990’s Fender SuperSonic22. Along with the other higher end and recommended tubes I have a clearer and throatier sounding amp and great growl whenever needed.