Discrete component 50W high-fidelity power amplifier production circuit diagram ----- 50W Power Amplifier

Electronic enthusiasts always try to adopt integrated power discharge circuits when self-made more than 30 watts of audio power amplifiers, which makes the production process simplify, but make the producer less difficult to lead the circuit principle, and thus the power amplifier of the discrete component still exists. . The schematic diagram of the 50W amplifier described herein is shown in Figure 1. There are only six triodes in the circuit, powered by a single supply. When THD (total harmonic distortion) is 1%, the continuous output power is 50W when the power is not stable: when THD is 5%, the dynamic output power is 60W when the power is regulated, and when THD is 1%, the power supply is dynamic The output power is 60W. Within the rated continuous power range, the input is shorted or opened, the allowation and noise are less than 82.3 dB, and the sensitivity is 100mV, and the input impedance is 8.2 Euro.

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