selected preamp tube ECC81/12AT7-Cz balanced (RT052)

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 driver. 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.<br> <br>All preamp tubes labeled Premium Selected have passed the following tests:<br>- Low Noise Test<br>- Microphonic Test<br>- Gain Test<br>- Sonic Tests<br>- Shock Tests<br>- Listening Tests<br>- Balanced Output Test<br><br>