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Discovering The Truth About Todays Power Amps

Let me clarify what precisely this specific expression means. From this specification it seems like the amplifier would be able to function as a HIFI amplifier. It might seem the larger the frequency response the higher quality the amplifier. That, however, will not always be. A large frequency response does not necessarily mean the amplifier offers good audio quality. As an example an amplifier having a frequency response between 30 Hz and 15 kHz might sound much better than a different amplifier having a response between 10 Hz and 30 kHz. In addition, each maker, it appears, utilizes a different technique for specifying the lowest and maximum frequency of their mini stereo amps. The conventional convention is to display the frequency range inside which the amplification is going to decrease at most 3 dB from the nominal gain.

Nevertheless, several manufacturers disregard this convention. It’s also possible to spot any peaks along with valleys the amp might have. Preferably the gain of the amplifier should be linear over the entire operating range.

One condition that might impact the frequency response is the impedance of the loudspeaker attached to the amplifier. The lower the loudspeaker impedance the higher the strain for the amp.

The frequency response of Class-D amplifiers shows the greatest change with different speaker loads due to the built-in low pass filter that removes switching noise from the amplifier’s signal. relatively small listening environment then 20 to 50 Watts of power should be plenty although your speaker may be rated for 100 Watts or more. Notice though that speakers differ in their sensitivity. Typically a low-impedance speaker will be easier to drive to high volume than a high-impedance speaker. Check your amplifier manual to make sure that your amplifier can drive your speaker impedance.

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