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ECC83 12AX7
High μ Low noise dual triode small nine pin transistor is used for voltage amplification in audio amplification circuits, with reverse phase drive push-pull amplification.
A1 class amplification limit value (per side)
Anode voltage 330 V
Anode negative voltage -50 V
Gate positive voltage 0 V
Anode dissipation power 1.2 W
Hot wire cathode to cathode voltage (pk) ± 180 V
Interpolar capacitance
No.1 No.2
Input capacitance 1.6 1.6 PF
Output capacitance 0.46 0.34 PF
Cross 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 K Ω