Prima Power

Prima With Extra Power

Audison Prima AP F8.9 bit Forza is every bit the performer of its original parent. However, Audison went to town in its development in order to satisfy a demand for more power. While they were at it, Audison also had a revisit of other aspects of the amplifier to see where else it could be […]

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Car Audio Upgrade Reviews

Going online and selecting products you have never heard of in search of great sound can be a little treacherous. We understand that there is a general suspicion of impartiality that can come with visiting your local installer. The answer may lie in third party reviews of car audio upgrades, accompanied by candied interview’s with […]

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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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Frequency Response in Car Audio

Frequency Response in Car Audio Every piece of audio equipment specifies a frequency response. Here we investigate what it means, what makes a good one and how it should be stated. First off, it is useful to understand how frequency response relates to a human’s ability to hear. As a general rule, fresh new ears […]

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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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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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Orca’s Porker

It is by no means unusual for us to receive high praise for the work carried out by our FOUR MASTER network. In this case, the customer concerned first made contact with us at Goodwood Festival of Speed in 2016 where he had a demonstration and picked up a copy of the very excellent Driving […]

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