The Aperion Guide to Downloading Music Part 1: Which Format is Best?
Getting into downloading music can be intimidating with all of the different formats that are out there, which is why we’ve put together this handy guide to help familiarize you with some of the options. We’ll take you through the best format to download digital music as well as the pros and cons of each. more »
Why do I Need a Subwoofer?
Subwoofers Are Awesome! But why? Well, there are many reasons: Engineers feel liberated, they are finally able to design speakers that are bass specialists without the compromises imposed by the main speakers, without the impositions that bass requirements demand. Now that subwoofers have allowed the main speakers to shrink to tiny proportions, wives appreciate having more »
The Physics of Sound
How To Make A Sound Wave Whenever an object is plucked, tapped, rubbed, smacked or otherwise touched in any way, that object will vibrate. Newton summed it up in his third law, “For every action, there is an equal and opposite reaction.” This action/reaction creates a vibration where air molecules push and pull each other more »
The Perception of Sound
By: Ken Humphreys Speaker Engineer After a sound wave reaches your eardrum, the real magic begins. When you’re aware of a sound, your ear and brain are working together on the difficult task of selecting which sound to pay attention to, what might be making it, where it’s located and much more. Here are a more »
How to Use your SPL Meter
Calibrating your home theater system is critical to an awesome home entertainment center, and only takes about 10 minutes to accomplish. The SPL meter measures the level of sound coming out of your speakers and it will help you fine-tune your system for the best possible sound. To start, you’ll need to turn on your more »
How to get the Most out of Your Subwoofer
By: Ken Humphreys Speaker Engineer The cornerstone of every home theater and many music audio systems is the subwoofer, and home theater owners want to shake every corner of their home theater to its foundation. This course will help you do just that, in the highest possible fidelity. (Note, we are not responsible for noise more »
How to Enjoy Streaming Media
By Oliver Amnuayphol Home Theater Guru It’s hard to believe there was a time when using physical storage media, like CDs and Blu-rays, were the only way we could enjoy our music and movies whenever—and almost wherever—we wanted. Nowadays, using disc media is becoming the exception rather than the norm: The popularity of digital entertainment more »
How Subwoofers Work
By: Ken Humphreys Speaker Engineer The Lowest Of Lows Subwoofers boom the thunder, the rumbles, the explosions and the guttural lows that bring music and DVDs to life. Reproducing low frequencies from 20-100 Hz, subwoofers let other speakers be diminutive and unassuming. In other words, your other speakers’ cabinetry doesn’t have to be as large more »
How Speakers Work
By: Professor Humphreys Speaker Engineer Put simply, speakers make sound waves. They pull this off by converting electric signals to movements of air. The mechanics of all this can be easily understood. Since knowledge is power, enjoy the process of becoming more powerful as you journey through this course. The Anatomy Looks Something Like This: more »
Crossover Design and Theory
By Ken Humphreys, Speaker Engineer Why crossovers? Speakers produce an astonishing range of waves! The highest frequency humans can hear requires a speaker’s driver to move back and forth 20,000 time a second in order to make those 2/3” long sonic waves. The deepest audible bass makes the driver move about 60 times a second more »