Vacuum Tube - 12AX7WA, Sovtek
9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube has strong lows and bright highs. Its lows demand attention when playing full bar chords. In overdrive, it offers a lot of crunchy fizz. For more information about our 12AX7 tubes, see our tech corner article on 12AX7s.
RoHS Compliant
Accessory Items:
| Amplification Factor | 85 -110 | |
| Bulb Temperature | 95°C | |
| Capacitance, Plate to Plate | 0.4 nF | |
| Capacitance, Transfer | 0.55 nF | |
| Capacitance, input | 2.15 nF | |
| Capacitance, output | 1.9 nF | |
| Cathode to Heater Voltage | 100 V | |
| Grid Reverse Current | 0.2 μA | |
| Heater Current | 305 / 153 mA | |
| Heater Voltage | 6.0 - 6.6 V / 12.0 - 13.2 V | |
| Plate Current (Ia) | 10 mA | |
| Plate Dissipation, per triode (Wa) | 1.0 W | |
| Plate Voltage (Ua) | 300 V | |
| Transconductance (S) | 1.4 mA/V - 2.65 mA/V |
| Packaging Dimensions | 1.1 in. × 1.1 in. × 3.1 in. | |
| Weight (Packaging) | 0.036 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.
