13 Nov 09 Type A (Active) Personalities – Active and Passive Subwoofers

Home Theater (HT) owners are in a constant search for the perfect sound system. Part of this perfectly tweaked home theater sound from subwoofer derived. There are three basic types of subwoofers with the HT-owners should be familiar: active, passive and ported. Each type has its own characteristics and advantages of the HT owners. Therefore, it is meant for the HT owners how each type can affect the overall sound in the importance of his or herSystem.

An active subwoofer is a subwoofer that has its own amplifier. There is no need to use the existing receiver or amplifier. The subwoofer is capable of producing results with their own efforts. Many home theater owners consider active subs for a variety of reasons. One reason for the choice of an active subwoofer is a bass that much power needs to be cleaned as a loud noise, and as far as higher frequencies. As a rule, down from 100 hertz, it has more than 10 times the power,to move the air sounds at these low frequencies of the large wavelength. More power to the subwoofer is required to a loud and clean sound to reproduce.

Subwoofers are in a variety of situations and variety of locations, from home theater and commercial cinema to concert halls and stadiums. The vast majority of the energy is used for these applications, produced by the subwoofer, because the movement of air for much lower frequencies has a great power. Implementation of activeSubwoofer in the sound system prevents the unnecessary taxing of the receiver by a large energy demand on them. The power is integrated into the receiver can take care of the high frequencies and low frequencies have their own amplifiers.

The second reason why many owners prefer a powered subwoofer, HT is the design itself. It is a phenomenon between the speaker and the amplifier, dramatically reducing distortion. Since the subwoofer does not work with a variety ofAmplifiers, they can optimize the circuit amplifier and speakers with a particular work. There is a way to get feedback from that produced what the speaker in the amplifier so it can compensate adequately, leading to a dramatic reduction in the distortion. The procedure is only possible with the active subwoofer, because the amplifier circuit and the speaker to be known quantities and concrete cooperation in this manner not possible with passive systems. Therefore,for the above reasons, the majority of HT owners prefer a powered subwoofer with a passive subwoofer.

The decision for an active or passive subwoofer implementation lies with the home theater owners. There are specific characteristics and advantages of each type of chosen subwoofer, depending on the needs and constraints of the system itself and the available space. Should therefore only after careful consideration and planning of home theater owners makeDecision by the subwoofer most suited to the requirements of its respective system.