Psvane ART Series 12AX7-S HiFi vacuum tube Matched Pair Electronic tube

Product parameters:
The high-μ low-noise dual three-pole small nine-pin tube is used for voltage amplification in the audio amplifier circuit, and the inversion drive push-pull amplification.

Hot wire heating
UH 6.3 (parallel) 12.6 (string) V
IH 0.30 0.15 A


Limit value for A1 zoom (each side)
Anode voltage 330 V
Anode negative voltage -50 V
Positive grid voltage 0 V
Anode dissipation power 1.2 W
Voltage between hot wire cathodes (pk) ±180 V

Interelectrode capacitance
No.1 No.2
Input capacitance 1.6 1.6
PF
Output capacitance 0.46 0.34 PF
Trans-circuit capacitance 1.7 1.7 PF

Electrostatic parameters

Ua 100 250 V
Ug -1 -2 V
Ia 0.5 1.2 mA
Gm 1.25 1.6 mA/V
μ 100 100
ri 80 62.5 KΩ