The TAD 12AT7-CZ/ECC81 is a premium preamp tube that is selected to have the lowest noise and microphonics present. The tight balance of both triodes makes it ideal as a balanced phase driver, phase inverter, or reverb driver tube. You can count on this tube for consistent smooth sound and flawless operation.
About TAD Tubes:
Tube Amp Doctor (TAD) works closely with tube companies to secure the best tubes made today. The company's techs are active musicians, who have deep experience in evaluating quality, consistency and reliability of their tubes. TAD tubes get evaluated, tested, approved, selected, matched, labeled and boxed by hand at their factory in Germany. Every single tube undergoes a listening test for optimal musical performance. TAD has some of the strictest tests in the industry and only accepts the best tubes for their offerings.
CALIFORNIA PROPOSITION 65 WARNING