Current wireless loudspeakers will by nature squander some amount of power they consume. Deciding on pair of cordless loudspeakers with high efficiency could minimize the amount of squandered energy. I will clarify a number of little-known facts about efficiency that will help you get the ideal type. The less efficient your cordless speakers are, the more power is going to be squandered which results in several difficulties: Cordless loudspeakers that have lower power efficiency will waste a great amount of energy. It's best to make note of the added power expense while choosing between a high- and low-efficiency type. The squandered power is dissipated by the cordless loudspeakers as heat. Cordless speakers with small efficiency routinely have various heat sinks to help dissipate the wasted power. Heat sinks as well as fans are heavy, use up room and also create noise. To help radiate heat, low-power-efficiency amplifiers need adequate air movement. Thus they cannot be put in places without any circulation. Additionally, they can't be fitted in water resistant enclosures.
A fairly large amount of power is radiated as heat if you get a set of low-efficiency wireless speakers. This can contribute to a number of problems: Cordless speakers that have low power efficiency are going to squander a great amount of power. It's best to make note of the additional power expense when choosing between a high- and low-efficiency product. The wasted energy is dissipated by the wireless loudspeakers as heat. To protect the circuit components, low-efficiency wireless loudspeakers must find solutions to get rid of the heat which is created. Usually extra elements have to be included to radiate adequate power and preserve the optimum running temperature. These components usually are heat sinks and also fans. These heat sinks consume a reasonable amount of space and make the cordless loudspeakers bulky and heavy. Additionally, they add to the cost of the cordless speakers. In order to help dissipate heat, low-power-efficiency amplifiers require adequate air circulation. Thus they can't be placed in areas with no circulation. Furthermore, they can't be installed in waterproof enclosures.
Since low-efficiency cordless loudspeakers will deliver merely a small percentage of the energy consumed by the amplifier as useful audio energy, the amplifier needs a bigger power supply than high-efficiency products resulting in more expensive. Additionally, because of the large amount of heat, there is going to be significantly greater thermal stress on the electric elements and internal materials that might trigger dependability complications. In comparison, high-efficiency wireless loudspeakers can be produced small and light. The efficiency is displayed as a percentage in the cordless loudspeakers data sheet. Class-A amplifiers are amongst the least efficient and offer a efficiency of approximately 25% only. In contrast, switching amplifiers, also referred to as "Class-D" amplifiers offer efficiencies of up to 98%. From the efficiency percentage it is possible to calculate the amount of power the amplifier will squander. An amp which has a 50% efficiency will waste 50 % of the used energy. An amplifier with 90% efficiency will squander 10%.
The power efficiency is shown as a percentage in the wireless loudspeakers data sheet. Various amplifier topologies deliver different power efficiencies. Class-A amps are amongst the least efficient and Class-D the most efficient. Standard power efficiencies vary from 25% to 98%. Getting an amp with an efficiency of 90% for example will mean that 10% of the power that is used is squandered when 90% would be audio power.
Yet, there are several things to note regarding power efficiency. For starters, this figure will depend on on the amount of power that the amplifier is providing. Amps have larger efficiency while providing higher output power than when working at small power mainly because of the fixed energy that they use up irrespective of the output power. The efficiency figure in the amp data sheet is normally provided for the highest amp output power. The measurement setup of amplifier power efficiency makes use of a power resistor that is connected to the amplifier. The amplifier is being fed a constant-envelope sine-wave tone. Next the power absorbed by the resistor is tested and divided by the energy the amp uses. To get a full power efficiency profile, the audio power of the amplifier is swept between several values. At every value the efficiency is measured and then plotted onto a graph.
Cordless speakers that use switching-mode amplifiers have a switching stage that causes a certain amount of non-linear behavior. Thus wireless speakers that use Class-D amplifiers commonly have smaller audio fidelity than products utilizing analog Class-A amps. Therefore you will need to base your decision on whether you need small dimensions and low energy usage or greatest audio fidelity. On the other hand, the most up-to-date cordless speakers that use switching-mode audio amps, such as Class-T amps, provide audio fidelity that comes close to that of low-efficiency analog amplifiers and can be manufactured ultra small and lightweight.
A fairly large amount of power is radiated as heat if you get a set of low-efficiency wireless speakers. This can contribute to a number of problems: Cordless speakers that have low power efficiency are going to squander a great amount of power. It's best to make note of the additional power expense when choosing between a high- and low-efficiency product. The wasted energy is dissipated by the wireless loudspeakers as heat. To protect the circuit components, low-efficiency wireless loudspeakers must find solutions to get rid of the heat which is created. Usually extra elements have to be included to radiate adequate power and preserve the optimum running temperature. These components usually are heat sinks and also fans. These heat sinks consume a reasonable amount of space and make the cordless loudspeakers bulky and heavy. Additionally, they add to the cost of the cordless speakers. In order to help dissipate heat, low-power-efficiency amplifiers require adequate air circulation. Thus they can't be placed in areas with no circulation. Furthermore, they can't be installed in waterproof enclosures.
Since low-efficiency cordless loudspeakers will deliver merely a small percentage of the energy consumed by the amplifier as useful audio energy, the amplifier needs a bigger power supply than high-efficiency products resulting in more expensive. Additionally, because of the large amount of heat, there is going to be significantly greater thermal stress on the electric elements and internal materials that might trigger dependability complications. In comparison, high-efficiency wireless loudspeakers can be produced small and light. The efficiency is displayed as a percentage in the cordless loudspeakers data sheet. Class-A amplifiers are amongst the least efficient and offer a efficiency of approximately 25% only. In contrast, switching amplifiers, also referred to as "Class-D" amplifiers offer efficiencies of up to 98%. From the efficiency percentage it is possible to calculate the amount of power the amplifier will squander. An amp which has a 50% efficiency will waste 50 % of the used energy. An amplifier with 90% efficiency will squander 10%.
The power efficiency is shown as a percentage in the wireless loudspeakers data sheet. Various amplifier topologies deliver different power efficiencies. Class-A amps are amongst the least efficient and Class-D the most efficient. Standard power efficiencies vary from 25% to 98%. Getting an amp with an efficiency of 90% for example will mean that 10% of the power that is used is squandered when 90% would be audio power.
Yet, there are several things to note regarding power efficiency. For starters, this figure will depend on on the amount of power that the amplifier is providing. Amps have larger efficiency while providing higher output power than when working at small power mainly because of the fixed energy that they use up irrespective of the output power. The efficiency figure in the amp data sheet is normally provided for the highest amp output power. The measurement setup of amplifier power efficiency makes use of a power resistor that is connected to the amplifier. The amplifier is being fed a constant-envelope sine-wave tone. Next the power absorbed by the resistor is tested and divided by the energy the amp uses. To get a full power efficiency profile, the audio power of the amplifier is swept between several values. At every value the efficiency is measured and then plotted onto a graph.
Cordless speakers that use switching-mode amplifiers have a switching stage that causes a certain amount of non-linear behavior. Thus wireless speakers that use Class-D amplifiers commonly have smaller audio fidelity than products utilizing analog Class-A amps. Therefore you will need to base your decision on whether you need small dimensions and low energy usage or greatest audio fidelity. On the other hand, the most up-to-date cordless speakers that use switching-mode audio amps, such as Class-T amps, provide audio fidelity that comes close to that of low-efficiency analog amplifiers and can be manufactured ultra small and lightweight.
No comments:
Post a Comment