Great sound from a car audio system doesn’t need to cost thousands of dollars. The 165 RS is a 6.5-inch, two-way component speaker system developed by the team at BLAM in France. The set is part of the Relax Series of products and includes a pair of woofers, a set of soft-dome tweeters and passive […]
Tools of the Trade – The Digital Multimeter
Our continuing look at the tools a mobile enhancement technician should have at his or her disposal brings us to the ever-important digital multimeter. In the same way that an RTA or oscilloscope is needed to measure and quantify alternating-current signals, a high-quality multimeter is the only way to accurately quantify a DC or fixed-frequency […]
How Does a Car Audio Amplifier Work – The Class AB Output Stage
As we continue our look at how car audio amplifiers work, let’s discuss how the classic Class AB amplifier output stage works and explain why it’s still the benchmark for high-end audio systems. How Does a Class AB Output Stage Work? We recently looked at the power supply, the input stage and how Class D […]
Tools of the Trade – The RTA
Our series on the tools that are important to test and configure car audio system upgrades moves to the topic of the real-time audio analyzer, also known as an RTA or spectrum analyzer. This important tool helps installers measure the acoustic response of your mobile audio system, and it can be a fundamental component in […]
How Does a Car Audio Amplifier Work? – The Class D Output Stage
As we continue our look at how at how car audio amplifiers work, we need to discuss what has become the most popular design on the market today: amplifiers that use a Class D output stage. In audiophile realms, Class D designs often carry an unfavorable reputation. Do their drawbacks outweigh their benefits? Let’s have […]
Is Turning Up the Bass on Your Car Stereo a Good Idea?
If there’s one thing that can add emotion and excitement to your music, it’s adding a little more bass. Bass frequencies, especially those below 80 Hz, can be felt as much as heard at a higher volume level. The tingling in your amps and vibration in your back make a night at a club, your […]
Tools of the Trade – The Oscilloscope
Our series of articles on what tools are important to test and configure a car audio system upgrade moves on to the oscilloscope. Tools like digital voltmeters, real-time audio analyzers and, of course, hand tools such as screwdrivers, side cutters, wire strippers and a socket set each have their place and importance. When it comes […]
HID versus LED Headlight Bulb Upgrades – Which Is best?
When it comes to safe driving at night, upgrading the headlights in your car or truck with HID or LED bulbs can make a dramatic difference in your ability to see long distances. Dozens of articles and videos on the Internet compare the two technologies. Piecing together information from all of them and wading through […]
Automotive Dashcam Features Explained
A dashcam is a compact camera system designed with automotive-specific features to capture video of everything that happens in front of your car or truck. The video files from a dashcam can protect you from fraud or false accusations in the event of an accident. Let’s take a look at some of the most popular […]
Understanding Specifications: Operating Voltage Tolerances and Protection Circuits
To close out our series of educational articles on amplifier specifications, we are going to talk about operating voltage limits and, by association, the protection circuits built into a car audio amplifier. In the good old days of electrical systems that were composed of an alternator, battery, switches and a couple of relays, delivering a […]