| A loudspeaker, speaker, or a speaker system is an | | | | frequency. We may come across some speakers |
| electrical device that can convert electrical signal into | | | | that sound bombastic on a high frequency song while |
| sound. They are the most invincible part in audio | | | | the same becomes almost inaudible at low. A good |
| system and have the capability to produce different | | | | pair of speakers have the brilliance to strike the right |
| and distinct sounds that make music more audible. | | | | balance and play each sound at the accurate level. |
| The history of the speakers probably started in the | | | | If the frequency range is poor and the balance is not |
| year 1876 when Alexander Graham Bell patented the | | | | maintained, the sounds tend to become fuzzy or rough |
| first electrical loudspeaker. From then until 1950 the | | | | when the volume is increased. At the same time the |
| standard of the speaker was poor if we compare | | | | speakers cannot play sounds at low volumes after |
| them to the modern one. | | | | reaching a certain point. Some speakers will play |
| To reproduce a wide range of frequencies | | | | sounds alike and do not distinguish between soft and |
| loudspeaker system requires more than one driver | | | | harsh tones. |
| either for high sound pressure level or high fidelity | | | | The best way to test the neutrality of the speakers is |
| applications. Continuous research, development and | | | | to play in a recorded human voice. If the recorded |
| revolution in technology have led to a wide variety of | | | | voice sounds just the way it does in real life or sounds |
| improvements like improvements in cone materials, | | | | as if the individual is speaking in just one tone then the |
| introduction of higher temperature adhesives, improved | | | | speaker is definitely well balanced and has a good |
| permanent magnet materials, improved measurement | | | | frequency range. The balance control not only |
| techniques, computer aided design, and finite element | | | | changes the relative volume of the speakers, but also |
| analysis, thus leading to noteworthy audible experience. | | | | delays the sound from the speaker closest to the ear |
| Choosing speakers is one of the most important tasks | | | | so that all the sounds can reach the ear at the same |
| while setting up any audio or video system. It is very | | | | time. |
| important to know where the speakers are going to | | | | If we talk technically about the balance and frequency |
| be placed because different rooms have different | | | | range of the speakers directivity becomes an |
| requirements. Large room speakers require more | | | | important issue because it affects the frequency |
| power in order to output high volume levels without | | | | balance of sound the listener hears and also the |
| distortion, so one need larger amplifiers for large rooms | | | | interaction of the speaker with the room. Directivity |
| or more efficient speakers. While making the choice, | | | | measures the power density that an actual antenna |
| some points should be kept in mind like balance and | | | | radiates in the direction of its strongest emission. A |
| frequency range, fine tuning, speaker types, etc. | | | | loudspeaker with a high degree of directivity can be |
| The term frequency range defines how accurately the | | | | said to have a high quality. |
| speakers can play the highest and the lowest | | | | |