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TAD 12AX7WA-R Twin Triode Tube (Unit)
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TAD 12AX7WA-R
Twin triode tube
The TAD 12AX7WA-R tube is a very low noise double triode with a slightly lower gain. It is particularly recommended for solving microphonic problems of high gain amplifiers. It offers a sound reproduction characterized by deep bass, soft midrange, slightly aggressive high frequencies and a very good definition on the whole range restituted. This model can also replace the 7025, 12AX7WA, 12AX7WB, 12AX7LPS, 12AX7EH, ECC83 and E83CC tubes.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Tube |
| Tube type | Twin triode |
| Number of pins | 9 |
| Dimensions | Ø22 x 56.6 |
| Weight | 14g |
| Electrical parameters | ||
|---|---|---|
| Parameter | Serie | Parallel |
| Heater voltage (AC or DC) | 12.6V ±1V | 6.3V ±0.5V |
| Heater current | 0.18A | 0.36A |
| Cathode to heater potential | 100V | |
| Direct interelectrode capacitances | Grid to plate : 2.2pF Grid to cathode : 2.1pF Grid to heater : 1.4pF Plate to cathode : 0.5pF | |
| Max values | |
|---|---|
| DC plate votlage | 300V |
| Positive DC grid voltage | 0V |
| Negative DC grid votlage | -55V |
| Plate dissipation | 1W |
| Bulb temperature at the hottest point | 95°C |
| Cathode current | 10mA |
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