The main technical indexes affecting the sound quality and tone color

1, frequency range: that is, the working band width of the power amplifier under the specified distortion and rated output power.

2, frequency response: the output gain of power amplifier increases or attenuates with the frequency of input signal, and the phase lag changes with the frequency of input signal. This index is the most important basis for assessing the quality of power amplifier. The smaller the decibel value, the smaller the frequency response curve of the power amplifier and the smaller the distortion, the stronger the reduction and reappearance ability of the signal.

To identify the sound of the tone, never with a personal love inside, not because of a preference for audio equipment, and to identify the sound of the tone, it will mislead the results you must go in accordance with the detection index, if you can not restore the original audio tone charm, if not high fidelity equipment.

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