PSVANE 12AU7-TII Vacuum Tube Mark TII Series Collection Edition HIFI EXQUIS 12AU7 ECC82 Electron Lamp

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  • 2 PCS
  • 4 PCS



12AU7-TII is small middle U double triode tube with nine feet

Used in amplifying circuit for push-pull amplifier inverter drive

filament heating(HIFI EXQUIS co, Limited)
UH-----------------6.3(parallel) 12.6(cascade) V
IH-------------------0.30 0.15 A

(HIFI EXQUIS co, Limited)

interelectrode capacitance
No.1 No.2
input capacitance----------1.6 1.6 PF
output capacitance---------0.4 0.32 PF
transfer capacitance----------1.5 1.5 PF

(HIFI EXQUIS co, Limited)

static parameter(HIFI EXQUIS co, Limited)
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
(HIFI EXQUIS co, Limited)
ri(approx)---------6.5 7.7 KΩ
Ug(approx)--------—11.8 —10.5 V
(when Ia=10uA)
Limit value when class A1 amplification (single triode)
anode voltage----------------300 V
anode dissipation power-------------2.75 W
The largest cathodic current-------------20 mA
Grid voltage ---------------—50 V
(HIFI EXQUIS co, Limited)
Between the filament cathode voltage (pk)--------±200 V

grid resistance(HIFI EXQUIS co, Limited)

Bias voltage---------------1 MΩ
Fixed voltage-------------- 0.25 MΩ




HIFI EXQUIS will use double box package to send the tubes, We guarantee the tube will devliered to you with good condition,

But thank you always to check the tube state face with courier during delivery process.

The PSVANE tube have 6 month for guarantee


BrandIntroduction - 1
BrandIntroduction - 2



By (Aguilar de Campoo, Spain) on 28 March 2017 (PSVANE 12AU7-TII Vacuum Tube Mark TII Series Collection Edition HIFI EXQUIS 12AU7 ECC82 Electron Lamp) :

One of best 12au7

Everything was OK. Postage took 3 weeks, but arrived as a normal parcel - very well and safely packaged. The tubes are just in the burn-in phase, but they seem to be operating well.

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