Psvane Mark Ⅱ Series 12AU7 -TⅡ B9A Double triodes base hi-fi audio vacuum tube 12AU7 ECC82

12AU7-TII is double triode small size novel tube, it is used as inverter drive push-pull amplifier in amplifying circuit.

Heater
Uf-----------------6.3V 12.6 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

Established in 2007 as an Electronic parts supplier, we start supplying NOS tubes to tube AMP factories since 2010. Nowadays, we are also supplying new tubes and other hifi DIY parts to tube amplifier factories and audiophiles.

Our production line:

1. Stereo Vacuum Tubes

2. Electronic Vacuum Tube

3. Vintage Vacuum Tubes

4. Vacuum Tube Sockets

5. Audio Electrolytic Capacitors

6. DIY LED Diode

7. Audiophile Grade Resistors

8. Tube AMP Board

9. Tube AMP Parts

10. Tube AMP Transformer

11. Guitar AMP Volume Knob

12. Guitar Amplifier Handles

All Hifi parts and tubes from us are sold at reasonable price with good quality, Welcome to visiting our website, we will provide best service no matter you are big HIFI products factories or individual audiophile.

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