GEC

KT88

KT66

Mullard EL34 = 6CA7

double rings and single ring .

used but tested on our AVO 163

tester as new and better

Mullard 12AX7 , 12Au7 , 12AT7

EF86 , ECC88 ,

Mullard GZ34 5AR4, GZ32 5V4G ,

other such as 5U4G, 5R4 , 83,80 , 5Y3. 5Z3.

RCA 2a3 , 45 , 50 ,211 ,854

px4, px25 , AD1 ,

We use the world best tube tester the AVO163

to test our product to made sure the

quality is meet and are qualify to use .

please email us with your wanted list and we'll do our best to meet your demand .