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Articles - Advance Theory:

by GlassWolf Published on 05-22-10 12:01 AM
Head Unit Pre-Out Line Voltages and their significance to your audio system When you shop for a head unit, the line voltage for the RCA jacks on the back of the radio are often advertised as being 2 volts, or 4 volts, or with some models such as Eclipse, as high as 8 or 16 volts. What does...
by GlassWolf Published on 05-19-10 11:05 PM
Weighting Feature Author: Wayne Harris Nowadays, it seems, even the terminology used in the auto sound industry is more than enough to baffle the brain and dull the senses. Buzz words like anti-aliasing, seventh-order, over-sampling, differentially balanced and others are common place in the.....
by GlassWolf Published on 05-19-10 11:04 PM
In Pursuit of a Noise-Free System: The Ten Commandments of Noise Prevention Author: Wayne Harris For the past six weeks you've worked relentlessly on the competition sound system in your vehicle. Your checking account is bone dry, and to top it off, your girlfriend is about to leave you for...
by GlassWolf Published on 05-19-10 11:00 PM
SQ system set-up and the and theory This article cannot possibly cover all the products out there that have the ability to afford great sound, so we shall jump into the "proper installation" category. First up is a discussion of a typical sound quality system and the theories behind i...
by GlassWolf Published on 05-19-10 10:55 PM
How to calculate flared port length This is a routinely asked question: "How long does the vent tube need to be if I use an n" flared port?" Granted, there are a few calculators out there that will calculate this for you, particularly if you're using some of the widely availa...
by GlassWolf Published on 05-19-10 10:32 PM
Hoffman's Iron Law I love Iron Laws. Why? Well, they are so succinctly and aptly named: they are infact, iron. Good luck breaking them! If you've been a browsing member of the online audio community for a while, you have no doubt heard about Hoffman's Iron Law. What's it all about? Well,.....
by GlassWolf Published on 05-19-10 10:30 PM
An Unbiased Comparison of Linear BL Technologies Disclaimer The first thing I must make abundantly clear is that, though I feel all information listed below is highly accurate, it is possible I am wrong in certain areas. Letís face it: Iím human. Though the concepts are well understood, much of....
by GlassWolf Published on 05-19-10 10:13 PM
Amplifiers - Power & Volume This topic relates to all types of power amplifiers, and talks about power ratings and volume levels. How Loud Is It? Before I even talk about power ratings, it's important to understand volume levels. Volume levels are measured in decibels (dB) and these can...
by GlassWolf Published on 05-19-10 10:04 PM
Amplifier headroom: A brief explanation Crest Factor Before we can discuss amplifier headroom, we first need to discuss the music we are listening to. And the concept we need to understand is that of crest factor. Sine waves are the simplest tone. Sine waves are the "test tones&q...
by GlassWolf Published on 05-19-10 10:01 PM
Anatomy of the Power Amplifier Dissecting the Modern Audio Power Amplifier and Power Supply By Robert Zeff With the Proliferation of Different Amp Types, Which is the One for You? In the past we had essentially two types of amplifiers to choose from: Class "AB" and class "A"...
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