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Power To The Speakers!

Power To The Speakers Does your  in car audio system sound flat and lifeless? Too much bass when stationary, not enough when driving? Appalling dynamic range and a lack of clarity? These are all complaints we receive on a daily basis. The temptation is to blame the speakers. Almost universally, these are purchased by the […]

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Car Active Subwoofer Impedance

Car Active Subwoofer Impedance Recent technological achievements have led to a trend toward compact active subwoofers with astonishing performance. Bass enhancement upgrades in a car have aways come with compromise. Often requiring deployment of a sizeable amplifier and a large-coned subwoofer in an enormous enclosure. Naturally, as car owners become more luggage-space conscious and vehicle […]

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Listening to Music in Your Car

In the olden days, when multi-amplifier car audio upgrades were new, an upgraded system was generally set up to suit a drivers musical taste. Back then people would follow music like they follow a football team, remaining loyal to “Drum and Bass United” or whatever their preference was. But things have changed drastically, as people […]

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Is your car audio system upmixed or just mixed up?

Is your car audio system upmixed or just mixed up? What is Upmixing? The block diagram above shows a system for creating surround sound from a 2-channel source.  Known as “upmixing”, this was once the preserve of the home listening environment. We have seen many similar systems employed in executive saloon cars over the years. […]

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Phase and Car Audio

Phase and Car Audio Like A Low Voice On A Wave Of Phase If you are into audio, you are probably aware of what we mean by “phase” if not, it is simply the correlation in time of two sound waves. If you have noise cancelling headphones you experience the most extreme effects of putting two […]

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Thiele/Small and Speaker Enclosures

Thiele/Small and Speaker Enclosures We complete our tour through a typical car speaker specification list by looking at Thiele/Small Parameters. These are important when looking to put speakers in a sealed or ported enclosure. They dictate the optimum size an enclosure should be in order to get the most out of a given speaker and […]

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Electrical Impedance in Car Audio Circuits

Here we put impedance in the spotlight. More accurately, we should refer to it as Electrical Impedance as other kinds do exist. In fact, the word itself is derived from the verb “impede” which means to restrict or obstruct. Electrical impedance is often mistaken for electrical resistance but differs insofar as it relates to alternating […]

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Golf G7 Audio Upgrade Pack – By VW Driver Magazine

“COMPARISON OF SPEAKERS IF YOU HAVEN’T already got the factory-fitted Dynaudio system in your Mk 7 Golf, there are other options. Not to be outdone by the new hi-fi system in his son James’s up! (as featured in the last issue) Simon Harper started looking at the options to upgrade the sound system in his […]

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Over Sensitive About Car Audio? – Speaker Sensitivity Explored

Over Sensitive About Car Audio? – Speaker Sensitivity Explored Continuing our journey into specification-land, we chance upon speaker sensitivity. We can see it is measured in Decibels (dB), but what is it? what kind of figure is good – is it simply that the higher the number is, the better a speaker is? What do […]

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Total Harmonic Distortion (THD) in Car Audio Electronics

Car Audio Electronics And Total Harmonic Distortion Distortion kills! It kills speakers and it kills ears. However distortion also comes in many different forms. THD is one form but in fact any difference between and input signal and output signal of a device is distortion. Even equalisation is a form of distortion albeit intentional. So, […]

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