JJ ECC81/12AT7

The JJ ECC81 (12AT7) valve is a low noise, low microphonic preamp valve. A good choice for phase inverters and reverb circuits calling for 12AT7 tubes. The ECC81 tube type is equivalent to the American 12AT7 tube and can be used in any 12AT7 or ECC81 circuit.

These are premium tested on specialised digital and analogue testing equipment by Karltone as follows   

Test results are provided with purchase