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 […]
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 […]
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 […]
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, […]
Damping Factor in Car Audio Systems
Damping Factor in Car Audio Systems Damping Factor DF is: DF=Zload/Zsource (Wikipedia) Many amplifiers carry a number for “Damping Factor” in their list of often unintelligible specifications. If you are of a mind to look at these when selecting an amplifier, how do you know what to go for? Is a high number better than […]
Car Signal Processing – AudioControl’s Approach
Car Signal Processing – AudioControl’s Approach American innovator AudioControl has operated in all fields of audio excellence for over 40 years now. Consistently delivering in car solutions that help installers to establish good sound in a very tricky environment. A new range of digital signal processing products represents the pinnacle of their technological capabilities. The DM-810 and […]
High Definition Digital Audio Signal Chains in the Car – From Source to Amplifier
Digital Audio in a car is a wonderful thing when rendered properly. Just like analogue audio, digital audio signals can be affected by system losses. The loss takes a slightly different form as it is bits that are dropped which can have a subtle but very real affect on the resulting sound. In the early […]
Active vs Passive Crossovers in Car Audio Systems
Active vs Passive Crossovers in Car Audio Systems When running component speakers, it is desirable to split frequencies appropriately to ensure best performance. In very simplistic terms, a large speaker is best at reproducing low frequency sounds while a small speaker is better suited to higher frequencies. Bringing the sound together coherently is a tricky […]
The Problem With Beemers….
BMW Cars Deserve Beautiful Sound Systems Exhibit A above is a BMW original under seat 6.5inch woofer. It is designed to save space and produce as much bass as is possible from its position under the front seats of a BMW car. They also come in 8″ versions dependent on trim levels. They are clearly […]
Wide open Spaces – Auditioning Car Audio Upgrades
Wide open Spaces – Auditioning Car Audio Upgrades There is no doubt that the past 5-6 years has seen a return to good quality sound. Many commercial opportunities have been exploited as a result and in particular car companies cashing in on the beautiful car stereo’s they can provide in return for the tick of […]


