TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself.
2AU7-TII is double triode small size novel tube, it is used as inverter drive push-pull amplifier in amplifying circuit.
Heater
Uf-----------------6.3(parallel connection) 12.6(series connection) V
If-------------------0.30 0.15 A
Direct Interelectrode Capacitances
No.1 No.2
input----------------- 1.6 1.6 PF
output--------------- 0.4 0.32 PF
grid to plate----------1.5 1.5 PF
Static parameter
Ua--------------100 250 V
—Ug-------------0 8.5 V
Ia---------------11.8 10.5 mA
Gm--------------3.1 2.2 mA/V
u--------------- 20 17
ri(approx)---------6.5 7.7 KΩ
Ug(approx)--------—11.8 —10.5 V
(when Ia=10uA)
class A1.maximum.single triode.
Ua----------------300 V
Pa----------------2.75 W
Ik(max)-------------20 mA
Ug----------------—50 V
Uh-k(pk)--------±200 V
Rg
with cathode bias-------------1 MΩ
with fixed bias-------------- 0.25 MΩ
