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Power amplifier circuit with bass boost compensation

Source: InternetPublisher:三岁就很酷 Keywords: amplifier circuit audio speaker Updated: 2020/10/20

93.<strong>Power amplifier circuit with bass boost compensation</strong>.gif

It is a practical power amplifier circuit with bass boost compensation. According to the component parameters marked on the power amplifier circuit
, when the switches Sl and S2 are both open, the power amplifier can increase the output gain of
the 45Hz subcanthus audio
relative to 200Hz. The audio is increased by 7 to 8dB; sl
is closed and sz is open. When, this power amplifier can increase
the output gain of audio frequency below 30Hz relative to 150Hz and above
. . [|, the audio frequency is increased by 5~6dB; when switch S2 is in the closed state, the amplifier has a flat frequency response of
20Hz~ 140Hz. It is obvious that the first two output modes are suitable for driving the woofer unit to 6+5 inches. and lo-inch foam side speakers , while the final flat output mode is suitable for signal detection. Actual listening shows that after using the corresponding bass boost compensation amplifier to drive the speaker, the low-end frequency response of the audio is significantly improved. 9 The bass emitted by the 10-inch speaker is extremely elastic, while the bass emitted by the 6.5-inch speaker is also more impactful. The feeling of impact coming









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