MAZDA (MULLARD ?)

12AX7 - ECC83

Price is for 1 seemingly little (if at all) used, preamp dual triode tube. Construction with single O-getter and gray plates. Produced in England.

Tested STRONG & BALANCED as follow!

Ia1 = 1.1 mA
Ia2 = 1.1 mA

Tested at: Uf = 12,6V | Ua = 250V | Ug1 = -2,0V
Good begins at: Ia = 0,7mA  and 100% is Ia=1.2mA

PAIR VINTAGE DOUBLE TRIODE PREAMP TUBES!

Shipping will be Airmail registered with tracing number. Other shipping methods available on request.