Class push-pull tube power amplifier circuit diagram 2A3A

  
FIG. 2A3A low direct thermal resistance transistor, its resistance is only 800, so the output transformer primary screen to screen to load impedance 3.5k Cong. Push-pull amplif
Class push-pull tube power amplifier circuit diagram 2A3A - schematic

ier tube screen voltage take 360 ~ 380V, cathode to ground voltage is 60 ~ 80V, total working current of the power amplifier 80 ~ 100mA, maximum output power up to 15W. The machine distortion factor of 1% to 2%, frequency response from 20Hz ~ 40kHz 2dB.




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