You'll find several options available designed for adding rear home entertainment speakers like directly connecting the speakers to the AV receiver or using a cordless surround sound kit in order to get rid of the speaker cord mess. Wireless surround speaker kits are all around at this point. On this page, I'll assess the way those wireless products are powered plus highlight various prerequisites which the built-in power source of these products has to satisfy.
Wireless surround sound sets come with a transmitter base that hooks up to a home cinema receiver as well as one or more cordless receiver modules. Even though those kits reduce the feared loudspeaker cable, they aren't truly cordless mainly because both the transmitter and also receiver must be powered. Some types have an exterior AC adapter while others possess an integrated power source. Both choices possess advantages and drawbacks.
By using a wallwart, the wireless receiver may be much smaller in proportions. Another kind of AC adapter is very similar to the kind made use of by laptop computers because it attaches to a mains electric outlet by using a short power cord. Having a separate wallwart may not seem particularly useful. However, from a producer's perspective you can find numerous benefits. Almost all nations around the world have got unique mains outlets and voltages and therefore having a separate power supply offers a larger amount of flexibility for configuring the product for any particular nation. What's more, individual ac adapters are cheaper to have accredited for safety and also are less expensive to change just in case they become faulty as compared to changing the whole receiver. Wireless receivers that incorporate the power source are generally larger than products with an exterior supply but are easier to develop.
The power supply needs to meet the regional safety legislation along with a number of other requirements. There are various safety regulations in different locations. However, these regulations are designed with the safety of the consumer at heart. One aspect included in almost all standards is how well the consumer is protected from likely electrical shock. Yet another factor covered by most safety regulations is the behavior of the power source while in normal operation. You will find standards relating to how warm the power supply may become plus how well it will protect itself in the case of overload or over-temperature situations.
The wireless receiver contains a high-frequency receiver which picks up the wireless signal along with a power audio amp which amplifies the audio signal. These two components require power. Therefore the power source needs to be in a position to meet the voltage and also current requirements of these two components. The power supply has to be dimensioned large enough in order to offer the music amp with enough current to drive a connected speaker at the specified RMS power level no less than 10 minutes. The RMS measurement is not very useful however. It really is much more essential for the power source to support short bursts of large current. These bursts happen during peaks within the audio signal. A further prerequisite is usually that the power supply voltage must be pretty constant and contain as little ripple and noise as it possibly can. Various audio amps will be able to make up for power source ripple and noise. For lowest noise, linear power sources are best. This type of power supply is utilized in plenty of higher-end music equipment. On the other hand, this type of power source can be quite heavy depending on the RMS wattage specification of the wireless receiver. Undoubtedly almost all of modern consumer products employ switched-mode power sources due to their smaller size. Ordinarily the interior parts require various supply voltages. Consequently many power supplies provide two or more supply voltages. Finally, the power source should have ample overload and over-temperature protection in order to keep everything safe in case there is a fault of the audio amp.
Wireless surround sound sets come with a transmitter base that hooks up to a home cinema receiver as well as one or more cordless receiver modules. Even though those kits reduce the feared loudspeaker cable, they aren't truly cordless mainly because both the transmitter and also receiver must be powered. Some types have an exterior AC adapter while others possess an integrated power source. Both choices possess advantages and drawbacks.
By using a wallwart, the wireless receiver may be much smaller in proportions. Another kind of AC adapter is very similar to the kind made use of by laptop computers because it attaches to a mains electric outlet by using a short power cord. Having a separate wallwart may not seem particularly useful. However, from a producer's perspective you can find numerous benefits. Almost all nations around the world have got unique mains outlets and voltages and therefore having a separate power supply offers a larger amount of flexibility for configuring the product for any particular nation. What's more, individual ac adapters are cheaper to have accredited for safety and also are less expensive to change just in case they become faulty as compared to changing the whole receiver. Wireless receivers that incorporate the power source are generally larger than products with an exterior supply but are easier to develop.
The power supply needs to meet the regional safety legislation along with a number of other requirements. There are various safety regulations in different locations. However, these regulations are designed with the safety of the consumer at heart. One aspect included in almost all standards is how well the consumer is protected from likely electrical shock. Yet another factor covered by most safety regulations is the behavior of the power source while in normal operation. You will find standards relating to how warm the power supply may become plus how well it will protect itself in the case of overload or over-temperature situations.
The wireless receiver contains a high-frequency receiver which picks up the wireless signal along with a power audio amp which amplifies the audio signal. These two components require power. Therefore the power source needs to be in a position to meet the voltage and also current requirements of these two components. The power supply has to be dimensioned large enough in order to offer the music amp with enough current to drive a connected speaker at the specified RMS power level no less than 10 minutes. The RMS measurement is not very useful however. It really is much more essential for the power source to support short bursts of large current. These bursts happen during peaks within the audio signal. A further prerequisite is usually that the power supply voltage must be pretty constant and contain as little ripple and noise as it possibly can. Various audio amps will be able to make up for power source ripple and noise. For lowest noise, linear power sources are best. This type of power supply is utilized in plenty of higher-end music equipment. On the other hand, this type of power source can be quite heavy depending on the RMS wattage specification of the wireless receiver. Undoubtedly almost all of modern consumer products employ switched-mode power sources due to their smaller size. Ordinarily the interior parts require various supply voltages. Consequently many power supplies provide two or more supply voltages. Finally, the power source should have ample overload and over-temperature protection in order to keep everything safe in case there is a fault of the audio amp.
0 nhận xét:
Post a Comment