The HiFi amplifier 300B

  
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300B is a high reliability, excellent characteristics of the power amplifier transistor 6 in the circuit should be designed so that the 300B excellent characteristics of the fu
The HiFi amplifier 300B - schematic

ll play. To warm-up time and the filament 300B cooperates developed WE-274 rectifier diode, and this time produced by the amplifier using a high-efficiency rectifier Toshiba 1S2 711 silicon diodes. Taking into account the 300B filament warm-up time, taken with the fixed gate bias and the bias of both self-bias supply method D all circuits constituted as shown in Figure 1-46. All mining machine by opening the final amplifier tube triode 300B generated second harmonic distortion, reverse voltage amplification stage by the second harmonic specially produced in the final stage of the child to offset, so there is no negative feedback pregnant




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