With bass boost compensation for the practical power amplifier circuit. Follow the instructions on the subject of the amplifier circuit element parameters, when the switch Sl, S2 are disconnected,
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this function can be put under 45Hz canthus audio output gain relative to 200Hz or more, the audio upgrade 7 ~ 8dB;. Sl closed, sz disconnect when the power amplifier can be 30Hz following audio output gain relative to 150Hz . . [|, Audio upgrade 5 ~ 6dB; and when the switch S2 is closed when the amplifier 20Hz ~ 140Hz with a flat frequency response port obvious front face two output modes suitable for promoting sub-cut woofer 6 + 5 inches and lo inch foam side speaker speaker, and the final output of the flat used as a way for signal detection. Real listening after adoption of the corresponding bass boost compensation amplifier push speaker sound low-end frequency response to improve the situation is very clear. Speaker released 910 bass very flexible, and 6.5 inches speaker unit has also been released, I could feel the bass from feeling the impact of
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