What are the main parameters for good speakers?

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 What are the main parameters for good speakers?

                          What are the main parameters for good speakers?


1.According to impedance

The lower the impedance of the speaker, the greater the input current. If the high-fidelity speaker, it will cause distortion, the sound will change, and the original sound effect will not be achieved. Therefore, when we choose, we choose high-impedance speakers. The current common impedances are 4 ohms, 6 ohms, 8 ohms, and 16 ohms. Among them, 8 Euro is the recommended value of international standards.


2. According to sensitivity

In the case of the same distance, the volume is adjusted the same, the higher the sensitivity of the speaker, the louder the sound, and does not affect the sound quality. The sensitivity of current speakers is usually around 86dB, and professional ones are above 96db.

Red Hifi speakers_n


3. According to the frequency response range

Speakers with a large frequency response range are better. When we buy speakers, the parameters we look at need to compare the frequency response range of their speakers.

4. According to the signal-to-noise ratio


Generally speaking, the larger the signal-to-noise ratio, the smaller the noise mixed in the signal. The higher the sound quality of the sound playback, otherwise the opposite. The signal-to-noise ratio should generally not be lower than 70dB, and the signal-to-noise ratio of high-fidelity speakers should reach 110dB or more.

5. Distortion

For multimedia speakers, distortion is definitely unavoidable. As long as the distortion is within a certain reasonable range, it will not have much impact on the sound quality. However, the 2.0 speaker distortion should be below 1% within a certain percentage. X.1 series can be less than 5%

Audio specifically refers to an audio system that produces sound from a combination of electrical equipment.


The sound system generally includes:

1. Sound source equipment: (for example: DVD, CD, MP3, MP4, computer, mobile phone, microphone and other sound source output equipment)


2. Audio signal dynamic processing equipment (compressor, effector, mixer, audio processor, equalizer and other audio signal processing equipment)


3. Audio signal amplification equipment (pre-stage power amplifier, post-stage power amplifier, digital power amplifier and other analog power amplifiers and equipment)


4. Sound restoration equipment (full-range speakers, ceiling speakers, sound columns, line array speakers, array speakers, tweeters, subwoofers, etc.). The development history of technology can be divided into four stages: electron tubes, transistors, integrated circuits, and field effect transistors.

Tube amplifierTA-1


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