If you are ready to order new cordless speakers, you may well be concerned about how efficiently your wireless loudspeakers perform. I am going to show you just what the expression "power efficiency" stands for plus why you should take a closer look at this number in your selection of new cordless loudspeakers. The less efficient your wireless speakers are, the more energy will be wasted which leads to various problems: Low-efficiency wireless loudspeakers will squander some power as heat and are costlier to run in comparison with high-efficiency models due to their higher power consumption. To shield the circuit components, low-efficiency cordless loudspeakers must find solutions to remove the heat that's created. Commonly extra components must be added to radiate sufficient energy and preserve the ideal working temperature. These components tend to be heat sinks along with fans. These heat sinks use up a fair amount of space and make the wireless loudspeakers large and heavy. Additionally, they add to the cost of the wireless speakers. Cordless loudspeakers that have low efficiency cannot be put into tight spaces or within sealed enclosures since they demand a good amount of circulation.
Numerous problems are brought on by wireless loudspeakers that have low power efficiency: Low-efficiency cordless loudspeakers are going to waste some power as heat and therefore are more costly to run in comparison with high-efficiency models because of their larger power utilization. To protect the circuit elements, low-efficiency wireless speakers must find ways to remove the heat that is generated. Normally more elements need to be included in order to dissipate enough energy and maintain the ideal working temperature. These elements are usually heat sinks along with fans. Heat sinks and fans demand space and are expensive. The wireless loudspeakers thus is going to become pretty big and costly. In addition heat fans are going to create running noise. In order to help radiate heat, low-power-efficiency amps need enough air movement. So they can not be put in places without circulation. Additionally, they can't be fitted inside waterproof enclosures.
Considering that low-efficiency cordless loudspeakers will deliver just a small percentage of the energy consumed by the amplifier as usable audio power, the amplifier requires a larger power source than high-efficiency versions leading to higher cost. An elevated amount of heat triggers further stress on elements. The lifespan of the wireless speakers may be decreased and reliability could be compromised. High-efficiency wireless speakers however tend not to endure these issues and can be built very small.
The efficiency is displayed as a percentage in the wireless loudspeakers data sheet. Different amp topologies deliver different power efficiencies. Class-A amps are usually the least efficient and Class-D the most efficient. Typical power efficiencies vary from 25% to 98%. Acquiring an amp with an efficiency of 90% as an example will mean that 10% of the energy that is utilized is wasted while 90% can be audio power.
In order to figure out the efficiency, the audio power that is consumed by a power resistor which is attached to the amplifier is divided by the total power the amp utilizes while being fed a constant sine wave tone. Generally a complete power report is plotted in order to show the dependency of the efficiency on the output power. For this reason the output power is swept through various values. The efficiency at every value is tested and a power efficiency graph generated.
When picking a pair of wireless loudspeakers you will need to weigh efficiency versus fidelity because cordless loudspeakers which utilize low-efficiency analog amps often deliver the maximum music fidelity while digital types will have bigger distortion. Having said that, digital amplifiers have come a long way and are providing better audio fidelity than ever before. Wireless loudspeakers which employ Class-T amplifiers come close to the music fidelity of types that contain analog amplifiers. Subsequently selecting a pair of wireless speakers which utilize switching amplifier with great audio fidelity is now possible.
Numerous problems are brought on by wireless loudspeakers that have low power efficiency: Low-efficiency cordless loudspeakers are going to waste some power as heat and therefore are more costly to run in comparison with high-efficiency models because of their larger power utilization. To protect the circuit elements, low-efficiency wireless speakers must find ways to remove the heat that is generated. Normally more elements need to be included in order to dissipate enough energy and maintain the ideal working temperature. These elements are usually heat sinks along with fans. Heat sinks and fans demand space and are expensive. The wireless loudspeakers thus is going to become pretty big and costly. In addition heat fans are going to create running noise. In order to help radiate heat, low-power-efficiency amps need enough air movement. So they can not be put in places without circulation. Additionally, they can't be fitted inside waterproof enclosures.
Considering that low-efficiency cordless loudspeakers will deliver just a small percentage of the energy consumed by the amplifier as usable audio power, the amplifier requires a larger power source than high-efficiency versions leading to higher cost. An elevated amount of heat triggers further stress on elements. The lifespan of the wireless speakers may be decreased and reliability could be compromised. High-efficiency wireless speakers however tend not to endure these issues and can be built very small.
The efficiency is displayed as a percentage in the wireless loudspeakers data sheet. Different amp topologies deliver different power efficiencies. Class-A amps are usually the least efficient and Class-D the most efficient. Typical power efficiencies vary from 25% to 98%. Acquiring an amp with an efficiency of 90% as an example will mean that 10% of the energy that is utilized is wasted while 90% can be audio power.
In order to figure out the efficiency, the audio power that is consumed by a power resistor which is attached to the amplifier is divided by the total power the amp utilizes while being fed a constant sine wave tone. Generally a complete power report is plotted in order to show the dependency of the efficiency on the output power. For this reason the output power is swept through various values. The efficiency at every value is tested and a power efficiency graph generated.
When picking a pair of wireless loudspeakers you will need to weigh efficiency versus fidelity because cordless loudspeakers which utilize low-efficiency analog amps often deliver the maximum music fidelity while digital types will have bigger distortion. Having said that, digital amplifiers have come a long way and are providing better audio fidelity than ever before. Wireless loudspeakers which employ Class-T amplifiers come close to the music fidelity of types that contain analog amplifiers. Subsequently selecting a pair of wireless speakers which utilize switching amplifier with great audio fidelity is now possible.
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