Vacuum Tube - 12AT7 / ECC81-Cz, Tube Amp Doctor, Premium Selected
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$34.57
This product is currently out of stock and will be placed on backorder.
Please note that pricing for backordered tubes is subject to change.
The TAD ECC81 / 12AT7-Cz is selected with regards to a tight balance of both triodes making it ideal for the use as a balanced phase inverter. In addition to the perfect symmetrical systems, the strong amplification characteristics of the TAD ECC81 / 12AT7-Cz support increased dynamics of the output stage when used as phase driver or phase inverter tube.
Q: When does a power tube become a Premium Selected power tube?
A: All power tubes labeled Premium Selected have passed the following tests:
- Plate Current (PC) and Amplification (TC)
- Low Noise Test
- Microphonic Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Shorts & Leakage Tests
| Approximate net weight | 13 g | |
| Base | E9-1, Small Button 9 Pin | |
| Cooling | conventional | |
| Diameter | 22 mm | |
| Heater Voltage (AC or DC) Parallel | 6.3 V +/-0.5 V | |
| Heater Voltage (AC or DC) Series | 12.6 V +/-1.0 V | |
| Height | 55.6 mm | |
| Operating Position | Any | |
| Seated height | 49.2 mm |
| Packaging Dimensions | 1 in. × 1 in. × 3.25 in. | |
| Weight (Packaging) | 0.037 lbs. |
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