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What are the characteristics of passive speakers?

Release time: 2021-06-17    Viewers: 167

1. Features of passive speakers
In terms of the professionalism of passive speakers, it is that its power amplifier is external, and you can freely match the power amplifier you want according to your needs or preferences, so that you can experience its degree of freedom, so the rated power is generally larger, so that Consumers have a larger choice of space, and they are more arbitrary as to what type of power amplifier they choose. And its sound quality will not be interfered by the signal source, and the sound quality is restored more realistically. There are actually many types of passive speakers, and there are also some skills in their selection.

Passive speakers actually have no requirements for the material of the cabinet. Some consumers think that the wooden audio is better and the sound quality is good. In fact, the music only needs to be transmitted through the speaker, and it has nothing to do with the cabinet of the speaker, as long as it is strong. The texture of the wooden speaker will be better after the processor. Passive radiating speakers can be considered when choosing the classification of passive speakers, because their better low-frequency effect makes the sound quality and efficiency higher. When the power amplifier is matched with the speaker, the rated power of the speaker and the rated power of the power amplifier should be determined according to the sensitivity of the speaker and the characteristics of the business. Generally, the rated power is required to be relatively large. When choosing a power amplifier, you can choose a tube power amplifier and a sub-stereo power amplifier. Specific choices require the accumulation of experience, and feel which one you really like.


What are the characteristics of passive speakers?


Second, which is better, active speakers or passive speakers?

Active speaker: Built-in power amplifier circuit, it can work when power supply and signal input are connected. It means that there is a set of circuits inside the speaker, which has the function of power amplification. For example, most of the speakers used in computers are active speakers, that is to say, they can be used directly by connecting them to the sound card of the computer. No need to go through a special power amplifier. The disadvantage of course is that the circuit inside may cause some resonance, electromagnetic interference and the like.


What are the characteristics of passive speakers?


Passive speaker: There is no power amplifier circuit inside, and an external power amplifier is required to work. It can also be regarded as a "wooden box + horn". The advantage of this is that the sound can reach the best state and will not be disturbed. Since VCD, DVD, and computer sound cards do not have power amplifiers and only output sound analog signals, a dedicated power amplifier needs to be connected.

The difference between market positioning and consumer groups: Active speakers are now mostly used in the computer multimedia field, and in some occasions with special needs (such as electronic keyboard speakers). Such speakers generally have low output power, and the volume cannot be turned on too much. The power amplifier circuit is not too particular, it is a simple audio system; passive speakers are formal audio, with high power and good sound quality, but the product is larger and bulky.
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