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Home » Class D

Class D

15th Feb 2023Never Skimp on a Car Audio Amplifier Installation Kit

Categories: ARTICLES, Car AudioTags: Amplifers, CCA, Class D, OFC, Power Wire, Wirez

Never Skimp on a Car Audio Amplifier Installation Kit

Efficiency is defined as the ratio of the power or work consumed by a system compared to the work done by that system. In the car audio industry, we typically talk about efficiency in the context of amplifiers. The best amplifiers consume only a little more power than they provide to a speaker or subwoofer. Low-quality solutions consume extra power and convert that into heat. I Read more

29th Jul 2022Bench Brawl – Entry Car Audio Class AB vs. Premium Class D

Categories: ARTICLES, Car AudioTags: 720S, Amplifiers, ANSI/CTA-2006-C, ARC Audio, Class AB, Class D, Digital Signal Processors, Ford, McLaren, Mustang

Bench Brawl – Entry Car Audio Class AB vs. Premium Class D

I can’t count the number of times I’ve seen enthusiasts and folks in the car audio industry claim that Class AB amplifiers are better for high-frequency (as opposed to subwoofer) duties than a Class D design. I recently had a chance to put a popular new Class AB amp through its paces on the BestCarAudio.com Test Bench, and the results were surprising. Let’s make a quality Read more

16th Feb 2022Your Tweeters and a Class D Car Audio Amplifier Might Not Get Along

Categories: ARTICLES, Car AudioTags: Amplifiers, Class D, Speakers, Tweeters

Your Tweeters and a Class D Car Audio Amplifier Might Not Get Along

I remember being at a car audio trade show about a decade ago where I overheard a conversation between a manufacturer rep and a customer about why a set of tweeters didn’t sound good on a particular amplifier. A few weeks later, I did some research on that amp to begin learning about what might have produced the customer perception. The amp in question uses a Class D output Read more

17th Jan 2022Test Drive Review: Audison SR 5.600 Five-Channel Car Audio Amplifier

Categories: Car Audio, TEST DRIVE PRODUCT REVIEWSTags: Amplifiers, ANSI/CTA-2006-C, Audison, Chevrolet, Class AB, Class D, Speakers

Test Drive Review: Audison SR 5.600 Five-Channel Car Audio Amplifier

While it’s fun to play with flagship products like Audison Thesis amplifiers and speakers, the reality is that there’s a lot more business done at the opposite end of the financial spectrum. The latest generation of the SR line from Audison gives car audio enthusiasts an affordable upgrade option that is laden with the features found in much more expensive solutions. For this Read more

7th Jan 2022A Close Look at Car Audio Line Output Converters

Categories: ARTICLES, Car Audio, Resource LibraryTags: Amplifiers, B&O, Bose, Class D, Digital Signal Processors, Fender, Infinity, JBL, Lexicon, Line Output Converters, Mark Levinson, Radios, Speakers

A Close Look at Car Audio Line Output Converters

It seems like everything to do with car audio installations has something to do with managing voltages. For starters, your electrical system needs to produce enough voltage to keep your radio and amplifier going. And amplifiers need to increase the voltage to drive speakers. When adding an amplifier to a factory-installed audio system, your installer will need to measure the Read more

6th Oct 2021The Car Audio Distortion Food Chain

Categories: ARTICLES, Car Audio, Resource LibraryTags: Alpine, Amplifiers, ANSI/CTA-2006-C, Clarion, Class AB, Class D, Digital Signal Processors, Mobile ES, Radios, Sony, Speakers, Subwoofers

The Car Audio Distortion Food Chain

When it comes to expressing the quality of an audio system component, the amount of distortion it adds to a signal is the defining factor. In this article, we’ll talk about how much distortion each part of an audio system adds – so that you can target your budget for the greatest benefit. We’ll rank four categories of audio equipment based on the amount of distortion they add Read more

4th Oct 2021Car Audio Speakers Aren’t Resistors

Categories: ARTICLES, Car Audio, Resource LibraryTags: Class AB, Class D, D'Amore Engineering, Speakers

Car Audio Speakers Aren’t Resistors

A while back, we took a quick look at how alternating current (AC) signals in our car audio systems work. While the amount of work done by an AC voltage source can be the same as that of a direct current (DC) source, the changes in current flow direction add complications. In this article, we’ll dive a little deeper into AC signals and explain why a fixed-value resistor can’t Read more

23rd Jul 2021A Close Look at Class-D Car Audio Amplifier Efficiency

Categories: ARTICLES, Car Audio, Resource LibraryTags: Amplifiers, Class D, D'Amore Engineering, Speakers, Subwoofers

A Close Look at Class-D Car Audio Amplifier Efficiency

For car audio enthusiasts, especially those interested in competing in SPL competitions, amplifier efficiency should be one of their primary concerns. In this first of three articles on efficiency, we take a close look at the Rockford Fosgate M5-1000X1 Class-D subwoofer amp and analyze how well it makes use of power at different output levels. What Is Car Audio Subwoofer Amp Read more

19th Jul 2021Do All Car Audio Amplifiers Double Their Power When Loaded Down?

Categories: ARTICLES, Car Audio, Resource LibraryTags: Amplifiers, Class D, Radios, Speakers

Do All Car Audio Amplifiers Double Their Power When Loaded Down?

If you’ve been around the car audio scene for a few decades, then you’ll recall a time when almost all amplifiers doubled their output power when the load impedance was halved. For example, an amplifier might have been rated to produce 75 watts per channel into a 4-ohm load and 150 watts into a 2-ohm load. It wasn’t unheard of to see low-power amplifiers like the infamous Orion Read more

11th Jun 2021A Look at How Car Audio Amplifier Designs Have Changed

Categories: ARTICLES, Car Audio, Resource LibraryTags: Amplifiers, Class D, Motorola

A Look at How Car Audio Amplifier Designs Have Changed

Car audio amplifier designs have changed a great deal over the last few decades. Modern amplifiers have more features along with improved efficiency, and they offer consumers better value than their predecessors. This article will examine the key components in the construction of mobile audio amplifiers, their evolution and their benefits. Amplifier Design Balances Power and Read more

30th Mar 2021Test Drive Review: ARC Audio ARC 1000.4 4-Channel Amp & IPS 8.8 DSP

Categories: Bluetooth, Car Audio, Sponsored Post, TEST DRIVE PRODUCT REVIEWSTags: Amplifiers, ARC Audio, Chrysler, Class D, Digital Signal Processors, Dodge, Ford, General Motors, iDataLink, Jeep, Lexus, Ram, Speakers, Subaru, Subwoofers, Toyota, Volkswagen

Test Drive Review: ARC Audio ARC 1000.4 4-Channel Amp & IPS 8.8 DSP

Looking at the specifications and features of an amplifier rarely tells the entire story. ARC Audio sent me one of their ARC 1000.4 amplifiers that’s equipped with an IPS8.8 Pro-Series eight-channel digital signal processor. Based on a 1,000-watt platform, this four-channel amp is rated to produce 250 watts per channel into 2- and 4-ohm loads. There’s a lot of ground to cover Read more

22nd Feb 2021Product Spotlight: Rockford Fosgate R2-750X5

Categories: PRODUCTS, Sponsored PostTags: Amplifiers, Class D, Prime, Rockford Fosgate, Speakers

Product Spotlight: Rockford Fosgate R2-750X5

In the spring of 2020, Rockford Fosgate launched the latest generation of its Prime Series amplifiers. While the focus of this spotlight is on the full-range Class-D five-channel R2-750X5, it’s worth noting the R2 series also includes a two-channel, two four-channel and four monoblock models. Equipped with features and technologies that have trickled down from the Punch and Read more

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