Most of us take amplifiers for granted, and take the knowledge that it makes our music louder as all they need to know. Being able to understand how your amplifier’s settings work will maximize your equipment’s potential and heighten your listening experience.
We’ve heard it all before: Music is the universal language. Its importance crosses cultures and generations. The development of technology has heightened the mere act of playing music into a whole new level of refinement. Projecting quality sound is a priority, from the casual party at home to a high-scale event with the latest in sound equipment. Using subwoofer amplifiers is not just a professional’s choice anymore. Anyone can have subwoofer equipment in their home. An amplifier has the ability to increase the sound output of any device, from CD and DVD players, to musical instruments. If you have an amplifier in your home, it’s good to know how to calculate for the amplifier power gain.
The first thing is identify your source’s maximum output capacity. Take any song with a peak, and play with your amplifier’s settings until you reach the highest level just before the sound distorts at the song’s point of maximum output.
After determining the maximum output capacity, the next step in calculating amplifier power gain is identifying the average level. Use the same song as the first step and find the average output level, which is the level that the song more or less plays on for the majority of the track. The average level is as important as the maximum output in setting the amplifier power gain.
Using your own hearing, set the amplifier. Since you’ve already identified the maximum and average levels, use your own hearing abilities to balance your amplifier’s gains. You can do this by starting your amplifier’s settings in the lower registers, then gradually increasing it till sound distortion occurs. If distortion does happen, it means the signal is no longer in balance between the sound source and the amplifier. The amplifier power gain should be in balance with the source’s output.
However, even if you’ve set your amplifier, it doesn’t mean that distortion will never occur. Each song’s maximum peak is different, and it might be necessary to reset your amplifier if the maximum and average levels of another song are too different from another one you just played. More expensive amplifiers are more capable of adjusting amplifier power gain. Power source is also an issue with amplifier performance, so remember to always use a transformer especially if your area is susceptible to power fluctuations.
The use of amplifiers has greatly improved the way we play music. Calculating amplifier power gain increases the quality of sound output and puts great pleasure in our appreciation for good music.
http://www.bcae1.com/gaincon2.htm
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