Usually when we buy any product we also learn specifications of products. Because specifications are the most important factors that determine the quality of the product. Similarly, when we choose to buy speakers, we should also pay attention to the specifications of the speakers.
Depending on your audio device that you choose speakers appropriate. For example, you own the equipment, you must choose karaoke karaoke speakers, but if you have music sound system, you must select Speakers, … Can not be selected confusion, because each type of speaker Designed for each specific sound equipment.
To choose the speakers like, with your sound device, you must understand the basic specifications of the speakers. Understand the technical parameters will help you know the quality and features of the speaker.
- Demensions – The size of the speakers: the first parameter and it is the most recognizable of the speaker size. Users will learn to look at the speaker size is about how much. Usually people often measure the diameter of the bass, use the unit Inch to characterize this parameter. Or maybe we often hear people use the more technical term as speaker 3 inches (12 inch) or Speakers 4 inch (15 Inch). In general, larger and heavier speaker for better sound quality small speakers, lighter. The larger the speakers generate more bass than, more powerful sound, but the magnitude enclosures and inner matrix is also determinant to the quality / quantity bass.
- Frequency respone: These are parameters that users know best and also most concerned about when buying speakers. The concept of the band is determined to meet the level of the speakers through audio reproduction capabilities of the respective frequency range. Users can see very clearly on the technical specifications of the speakers parameters, such as a recording band loudspeaker response 30Hz – 20KHz is capable ultra deep bass reproduction at 30Hz, and the negative high up to the maximum threshold of the human ear, 20KHz.
However, there are many factors that affect directly and indirectly to this parameter, as the distance between the speakers and measurement equipment, room size, manual measurement, measured properties of sound, volume .. . So this is just a reference parameter for multiple users to understand audio equipment, it also depends on the reliability of the measurements during production. And for measuring this parameter does not have a regulation, we should see this as the reference parameter.
- Sensitivity – sensitivity of speakers: This is a pretty abstract parameters of the speaker. Sensitivity measured in dB / watt / m (with 8 ohm speaker impedance).
For example, a 90 dB sensitivity loudspeaker, 1W power input, in position measuring 1m from the speaker, the speaker emits sound levels of 90 dB sound intensity.
This parameter is especially important to help the user can be based on it to select the amplifier composition of their sound system. Having a catchy formula is 10 times the power amplifier, the sound intensity increases by 10 dB and the sound will be twice as big. For instance, 90 dB sensitivity loudspeaker on. Speakers 1W just to reach 90 dB sound intensity, need to reach 100 dB 10W (sound twice), 100W to reach 110 dB (quadruple large sound), and to 1,000 W to reach 120 dB (eight times larger sound).
Sensitivity is a parameter that helps reflect the volume can be achieved by a speaker with an amplifier power of concrete without affecting sound quality.
- Impedance: The conductor often have resistor, and the speaker is no exception. The magnitude of this index is called the impedance of the speaker. In developing a parallel circuit of a sound system, generally, the larger the speaker impedance speakers more easily “control” and is compatible with more amply. Accordingly, 8 ohm speaker impedance 4 ohm speaker better in compositing. This can be evidenced by the parameters of the amplifier damping factor, the higher the index, the more solid bass speaker, unbreakable, strong. Damping factor is calculated as the quotient between the speaker impedance and output impedance of the amplifier. For example, 8 ohm speaker impedance, amplifier output impedance 12:01 ohm, the damping factor worth 800. With 4-ohm speaker impedance, this index is 400. So speakers with high impedance operation easier and more easy compositing.
- Power Rating: This parameter the user know the maximum limit which can damage the speaker amplifier when using speakers in this capacity, rather than suggest to the user to choose buy amply compliance box. For example, a speaker with 200W maximum power does not force users to buy power amplifier with 200W. When using a small amplifier, the issue that is most vulnerable to signal interference sound, distortion and is not true when used in large power levels. Meanwhile, the big amply still operating normally. Note the use of high capacity amplifier is maintained at not too large volume, matching speakers.
When we choose to buy speakers for any purpose, it should also pay attention to the above parameters, it will help to know the quality and features of the speaker. However, the parameters on just help us with the product overview. How to assess the best and truest rhyme is to hear and feel the sound coming from the speakers in your ears to have the most accurate assessment.
That’s 5 factors to consider when we learn of speaker specifications. But in reality, the assessment of the technical parameters only help users get the most objective view of a speaker. Speakerphone quality was reproduced by the speakers of the sound veracity, thereby evaluating the best speakers are still to hear and feel the sound in your ears, to get the most accurate assessment.