When an audio enthusiast goes shopping for an amplifier, the question of “how much power do I need?” comes up almost every time. There are a few factors to take into consideration when answering this question. This article looks at those factors and provides some technical background to help support your decision. Why Do We Need Power? Quite simply, when you send more power to a speaker, it … [Read more...]

You cannot have talked about audio and computers any time in the last 15 years and not have heard of an MP3 file. MP3 audio files and websites, like the original Napster, started a shift in where, how and when people acquired music. If you are on the older end of the spectrum, like many of us in the mobile electronics industry, then you bought your CDs, cassettes and maybe even your vinyl at a … [Read more...]

Amplifiers have a very tough job. They have to take a very low voltage signal and increase it in amplitude so it can drive a speaker. In this transformation, we expect the signal to remain pure – no distortion or no noise should be added. We also want significant amounts of power to drive our speakers, even though we only feed our amplifiers with a measly 12 to 14 volts of electricity. The laws of … [Read more...]

Enclosure, box or cabinet: Whatever you want to call them, where you install your speaker or subwoofer is critically important to their resulting performance. In this article, we focus on the simplest and most forgiving of enclosures to design and construct – the acoustic suspension or sealed enclosure. The Laws of Physics There are a few characteristics to keep in mind about every speaker. The … [Read more...]