​The main technical indicators affecting the quality and tone

- Sep 11, 2015-

1. Frequency range: the working band width of the power amplifier at the specified distortion level and the rated output power condition, that is, the range between the minimum operating frequency of the power amplifier and the highest operating frequency.

2, frequency response: the output gain of the power amplifier increases or decreases with the increase of the frequency of the input signal and the phenomenon of the frequency of the input signal. This indicator is the most important basis for assessing the quality of the power amplifier. The smaller the value of the power amplifier, the more flat the frequency response curve of the power amplifier, the smaller the distortion, the higher the signal's degree of reduction and the ability to reproduce. Sound system

A good sound equipment, in addition to the sound of a variety of musical instruments, but also a variety of musical instruments playing the position, distance, and the scene of the reproduction. Regardless of what kind of personal preference is the tone or models, if played out of the sound and the original musical instrument performance of the difference between the sound, it can not be considered a good device. High fidelity audio (Hi-Fi) is the true meaning of high degree of reduction.

If your sound device can not restore the original musical instrument tone, it is not high fidelity equipment. When we use subjective hearing to judge a sound equipment, we should pay attention to this point, not to affect the correct judgment and the ability to improve the ability of the individual's preference.

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