Description

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.

All preamp tubes labeled Premium Selected have passed the following tests:
– Low Noise Test
– Microphonic Test
– Gain Test
– Sonic Tests
– Shock Tests
– Listening Tests
– Balanced Output Test