I will have a look at the word "power efficiency" which informs you of just how much cordless speakers waste to help you pick a pair of wireless loudspeakers. A relatively high amount of energy is radiated as heat if you get a pair of low-efficiency cordless speakers. This can contribute to a few issues: Low-efficiency cordless speakers will squander a certain amount of power as heat and are costlier to run when compared with high-efficiency products because of their larger power utilization. To protect the circuit elements, low-efficiency wireless speakers need to find methods to get rid of the heat that is generated. Commonly additional elements have to be included to radiate enough energy and preserve the optimum operating temperature. These elements usually are heat sinks along with fans. These heat sinks consume a good amount of space and make the wireless speakers large and heavy. Further, they raise the cost of the wireless loudspeakers. To help dissipate heat, low-power-efficiency amplifiers require enough air movement. As a result they can't be put in places with no circulation. Additionally, they can't be mounted inside water-resistant enclosures.
Since low-efficiency cordless loudspeakers will provide only a small fraction of the power consumed by the amplifier as usable audio power, the amp needs a larger power source than high-efficiency versions leading to higher cost. An elevated amount of heat will cause additional stress on elements. The lifespan of the wireless speakers can be lowered and reliability may be affected. High-efficiency cordless loudspeakers on the other hand do not experience these issues and can be built small.
Low-efficiency models consume more overall power in order to create the same amount of audio power as high-efficiency types. Consequently they require a larger power source which makes the wireless loudspeakers costlier to produce. Additionally, the thermal stress on the circuit board elements as well as amplifier materials is more severe and may decrease the dependability.
What is less well-known about efficiency is the fact that this figure is not fixed. The truth is it fluctuates depending on how much power the amplifier delivers. Therefore sometimes you can find efficiency figures for various power levels within the data sheet. Since every amplifier will require a certain amount of energy, irrespective of the amount of power the amplifier delivers to the speakers, the amp efficiency is higher the more power the amp provides and is usually specified for the maximum power the amp can handle.
The measurement setup of amplifier efficiency makes use of a power resistor that is attached to the amp. The amplifier itself is being fed a constant-envelope sine-wave tone. Next the power consumed by the resistor is measured and divided by the power the amp uses. Given that the efficiency is dependent upon the audio power, typically the output power is varied and an efficiency graph created which can display the amplifier efficiency for each level of output power.
Wireless speakers that make use of switching-mode amplifiers have a switching stage that causes a certain amount of non-linear behavior. Thus wireless loudspeakers that use Class-D amps commonly offer lower audio fidelity than products using analog Class-A amplifiers. Subsequently you will need to base your decision on whether you require small dimensions and minimal energy consumption or maximum music fidelity. A few new cordless speakers, including products that include Class-T amplifiers, have the ability to minimize audio distortion to levels near to those of products using analog music amplifiers and in addition are able to achieve great signal-to-noise ratio. Choosing one of these kinds of wireless loudspeakers will offer great efficiency and at the same time large audio fidelity.
Since low-efficiency cordless loudspeakers will provide only a small fraction of the power consumed by the amplifier as usable audio power, the amp needs a larger power source than high-efficiency versions leading to higher cost. An elevated amount of heat will cause additional stress on elements. The lifespan of the wireless speakers can be lowered and reliability may be affected. High-efficiency cordless loudspeakers on the other hand do not experience these issues and can be built small.
Low-efficiency models consume more overall power in order to create the same amount of audio power as high-efficiency types. Consequently they require a larger power source which makes the wireless loudspeakers costlier to produce. Additionally, the thermal stress on the circuit board elements as well as amplifier materials is more severe and may decrease the dependability.
What is less well-known about efficiency is the fact that this figure is not fixed. The truth is it fluctuates depending on how much power the amplifier delivers. Therefore sometimes you can find efficiency figures for various power levels within the data sheet. Since every amplifier will require a certain amount of energy, irrespective of the amount of power the amplifier delivers to the speakers, the amp efficiency is higher the more power the amp provides and is usually specified for the maximum power the amp can handle.
The measurement setup of amplifier efficiency makes use of a power resistor that is attached to the amp. The amplifier itself is being fed a constant-envelope sine-wave tone. Next the power consumed by the resistor is measured and divided by the power the amp uses. Given that the efficiency is dependent upon the audio power, typically the output power is varied and an efficiency graph created which can display the amplifier efficiency for each level of output power.
Wireless speakers that make use of switching-mode amplifiers have a switching stage that causes a certain amount of non-linear behavior. Thus wireless loudspeakers that use Class-D amps commonly offer lower audio fidelity than products using analog Class-A amplifiers. Subsequently you will need to base your decision on whether you require small dimensions and minimal energy consumption or maximum music fidelity. A few new cordless speakers, including products that include Class-T amplifiers, have the ability to minimize audio distortion to levels near to those of products using analog music amplifiers and in addition are able to achieve great signal-to-noise ratio. Choosing one of these kinds of wireless loudspeakers will offer great efficiency and at the same time large audio fidelity.
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