Vacuum Tube - 12AT7 / ECC81-Cz, Tube Amp Doctor, Premium Selected
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|
|Heater Voltage (AC or DC) Parallel||6.3 V +/-0.5 V|
|Heater Voltage (AC or DC) Series||12.6 V +/-1.0 V|
|Seated height||49.2 mm|
|Packaging Dimensions||1 in. × 1 in. × 3.25 in.|
|Weight (Packaging)||0.037 lbs.|