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Classic Car Audio

It’s Smart to Purchase Your Audio Gear From the Shop Installing It

BestCarAudio.com - January 5, 2025

Audio GearIn the “old days” if you wanted to buy something, you went to a store. Now, with the increasing popularity of online shopping, mobile electronics enthusiasts have a seemingly unlimited number of options where they buy the audio gear they want. In this article, we will discuss some of the benefits of purchasing your equipment from the same place that will be installing it.

Choosing the Right Solution

If you have a damaged speaker, subwoofer or amplifier, and are looking for a replacement, then the goal for your shopping excursion is quite clear. If you have a more generic objective, such as “making my factory stereo sound better,” then the expertise of the staff at the store you choose can provide an amazing wealth of information. They can help you determine the correct upgrade path to follow.

Audio GearA great retailer will go to your car with you and listen to your existing sound system before they make an upgrade suggestion. Your feedback about what you like about your sound system, and what you want to improve, combined with what they hear, will help govern where your budget should be dispersed.

Many people think that upgrading a factory radio will provide better performance. When compared to the offerings in late-model vehicles, that is not often the case. New source units may improve connectivity, especially for smartphones, but most factory radios have Bluetooth, can play MP3 and WMA files, and a lot include backup cameras.

Seek out the experience of a professional to help determine the best upgrade path.

Picking the Right Audio Gear

Let’s say that you are in the market for a set of component speakers for your car. There are, quite literally, hundreds of options available. In fact, there are some brands that have more than a dozen different 6.5-inch component sets spread across their different series and diverse price ranges. How do you choose the right one for your application?

Audio Gear
A demo board like the one at Kingpin Car Audio & Marine offers easy speaker comparison.

The best way to choose a speaker is to audition it. Ideally, you should listen to them in a vehicle similar to yours, but listening to a display board is a good solution as well. Bringing along your favorite music is highly recommended. You can compare different speaker sets at different prices quickly and experience the benefits and drawbacks of each. We will reinforce: Listen to the speakers and ignore the brand names, colors and specifications. All that matters is you choose the best-sounding speakers for your budget.

Before you buy anything, audition it.

Product Installation

Equipment manufacturers are all unique. Each has their own set of eccentricities that makes them different than other brands. When it comes to wiring, adjustments, and so forth, a shop that sells a particular brand will be familiar with how those products work. Familiarity and experience can save time and headaches during an installation. If you bring them a radio or an amplifier that they have never seen before, they will need to take the time to figure out how to use the product before they can install it. Modern source units vary a great deal. Pairing a Bluetooth device and internal signal processing options can be quite confusing for a first-time user. You can expect your installation to take 10-15 minutes longer with an unknown brand- time that will be added to your invoice.

Audio GearSometimes, the products chosen for your vehicle may not fit. Speaker sizes may change from year to year, or between different trim levels. Radio and antenna adapter harnesses will often be different for different option packages. Many radio or amplifier installations require that an authorized retailer configure an integration module for your specific year, make, model, and trim level of vehicle for everything to work properly. If you have purchased products from somewhere other than where the installation is being performed, then you will need to get it replaced. This process will take time. If you purchased your equipment from the shop doing the installation, they could swap it out for the right size or application for your vehicle with no hassle at all.

In the unlikely event that something is wrong with the product being installed, a shop that stocks the equipment you purchased can simply pull another unit out of their inventory and finish the installation. In most cases, and unfortunate “DOA” product goes completely unnoticed by the client. If you purchased something from another shop, or even worse, online, then the installation needs to stop. The product will need to be returned to wherever it was purchased. Then repaired or replaced. Finally another appointment needs to be made to complete the installation. If the vehicle had to be put back together between these appointments, you would incur additional cost. Depending on where you purchased the product, it could take weeks to get a new one.

Buying from the shop that is performing the installation can save time and money.

Warranty Coverage

Most of the premium car audio equipment sold in North America is covered by a detailed manufacturer’s warranty against manufacturing defects. Some brands offer much longer warranty periods if their products are purchased from, and installed by an authorized dealer. Over-the-counter purchases can be covered for as little as 90 days, while some brands offer two- and three-year warranties with professional installation.

Audio GearWhen it comes to buying online, be sure that you are dealing with an authorized dealer for that brand. If the price seems too good to be true, it likely is. Many online stores or eBay sellers buy products from retailers that went out of business. The manufacturer’s warranty does not cover these products. Another concern is knock-off or clone equipment. Several popular brands that have had their products copied. These clones may look similar to the original, but they provide significantly worse performance and are unreliable.

Protect your investment by buying from an authorized dealer, and have them install it.

After Sales Support

Once you have purchased a product and it is installed, most retailers will spend some time with you to explain how it works. When it comes to modern multimedia source units, this is incredibly valuable. Using different features and functions, especially navigation systems takes some time to understand. If you have a question a few weeks or months after the sale, you can drop it and ask for some help. More often than not, the answer is quick and simple. The sales staff at your mobile enhancement retailer can show you how to do what you want on one of their display units, or maybe even go out to your car with you.

Reputable mobile enhancement retailers provide exceptional knowledge and support.

Spend Your Money Wisely

The lure of a good deal from an online sale, a deal at a pawn shop, or a used purchased from Craigslist is always a gamble. Will the product will work? Will it fit and be reliable? We all have to work hard for our money. Spending money wisely and getting the best long-term value for our investment is only common sense. Work with your local mobile enhancement retailer to choose the right product for your application. Then have it installed in a way that will maximize its performance and reliability.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, Classic Car Audio, RESOURCE LIBRARY

Hot Rod, RestoMod, and Restoration Source Unit Options

BestCarAudio.com - May 5, 2024

Hot Rod, RestoMod, and Restoration Source Unit OptionsThe stereotypical image of a “Woody” station wagon with a surfboard on the roof is missing one critically important element to make it part of the perfect day on the beach: an audio system. In the 1960s, the aftermarket car audio scene was weak. Compared to now, there weren’t any options for source units, speakers or amplifiers, and certainly nobody had a subwoofer. All of that has changed. Today, aftermarket car audio upgrades can transform your daily driver or project car into something stunning. Let’s think back to our mental image of a ’60s Chevy Woody wagon, but update it with modern speakers, amplifiers and – of course – a new source unit. This article discusses some of the source unit options available to people who are restoring a classic car, building a hot rod or doing anything in between.

Modern Convenience and Performance

Source Unit OptionsIf you are building a street rod or are willing to take some liberties with the look of your dash, then cutting an opening for a single-DIN radio or making a console for a double-DIN radio provides you with an excellent opportunity to have all the latest features and technologies right at your fingertips.

Bluetooth hands-free calling is essential to your safety when on the road. Audio streaming will let you play music from your smartphone or a streaming service wirelessly to your radio. Digital media file playback provides you with a way to access your modern MP3 music collections. Finally, navigation systems can help get you where you want to go quickly and safely.

Many modern radios have the ability to change the color of the controls and the display. You can match the color of your radio to a set of incandescent bulbs in the gauges of a ’30s roadster or the blue glow of a set of new digital gauges. Some people set the radio to match the color of the car.

Contemporary Performance and Classic Style

Several manufacturers produce modern radios with traditional twin-shaft mounting systems. These radios include features like USB ports for your digital media collection or your Apple iPod or iPhone. Bluetooth audio streaming and hands-free calling functions are standard on many models, and SiriusXM satellite radio connectivity will let you enjoy genre-specific programming from coast to coast.

These radios feature vintage styling with simple LCD and LED displays where the old analog tuner used to be. Multi-function knobs on either side of the primary display handle controls for volume, tuning and source selection functions. These radios include between 18 and 25 watts of power from the built-in amplifier and have pre-amp outputs for adding external amplifiers.

Connectivity with the latest devices may not be as up to date as with a modern aftermarket radio, but these vintage radios can conceal themselves well in your dash.

The Hidden Radio Solution

Source Unit OptionsIf you are working hard to keep the interior of your vehicle looking original, then your best bet is not to show off a new radio at all. Some people will mount an aftermarket radio in the glove box or under the front seat. These radios are still accessible while you’re driving, but not as easily.

For several years, the hot ticket was to install a marine radio in the trunk or a storage compartment. The driver would have access to a wired remote control to change the volume or source. These marine remotes often include small displays to let you know what station or track you are enjoying.

Modern marine source unit remote solutions include IR and RF remotes, as well as iPod or iPhone remotes that use WiFi for communication. You can use your radio quite easily without being able to see it at all.

Custom Remote Control Solutions

One “trick” that people often forget about is to use an OEM steering wheel audio control interface with a set of custom switches to control the radio. Your installer can program a set of switches with unique resistor values to perform almost any function you want. A spare four-way power window rocker switch makes a great volume and track selection control. You could use power window and power lock switches on a door to perform similar functions. The options for custom remote controls are nearly endless.

“Radio? We Don’t Need No Stinkin’ Radio!”

Source Unit OptionsThe modern smartphone has started to replace radios altogether in some projects. Being able to stream radio stations over the Internet or use services like Pandora or iHeartRadio makes your cellphone and its wireless Bluetooth connection the only source you may need.

In the most basic of applications, your installer can connect a stand-alone Bluetooth receiver to a small amplifier and new speakers. The volume control on your smartphone will serve as the master volume control for the sound system. The system will power up as soon you connect to the Bluetooth module and start streaming audio.

If you are after a better-sounding system, then you may want to look at a signal processor with an optional Bluetooth streaming module. Several digital signal processors (DSPs) on the market can stream high-quality audio directly without the need for a source unit. The audio processing functions of the DSP will allow your installer to maximize the performance of each speaker in your system and create an amazing sonic experience.

Shop Local for Your Source Unit Options

Before you get too deep into your restoration or project build, contact your local mobile enhancement retailer today to discuss suitable source unit options for your vehicle. They will be able to explain the benefits of each system and provide you with all the information the restoration shop you are working with will need to bring the concept to fruition. No matter what source unit option you choose, having great speakers and amplifiers in your classic car or hot rod will make going for a cruise much more enjoyable.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, Classic Car Audio, RESOURCE LIBRARY

What Is Signal-To-Noise Ratio, And Why Does It Matter?

BestCarAudio.com - June 6, 2021

Signal-To-Noise RatioMost people understand the importance of amplifier power specifications. In most cases, more power is a good thing, that is, until you reach the thermal or suspension limits of the speakers you are using. One specification that is also very important in a mobile electronics amplifier, processor or source unit is Signal-to-Noise Ratio. In this article, we are going to explain what S/N Ratio numbers are and why they are important.

All the Noise, all the Time!

Signal-To-Noise RatioIt just so happens that when you pass a signal through any device – like a piece of wire, resistor, capacitor, inductor, transistor or anything else you can think of – a tiny little bit of noise is added to the signal. There are many different kinds of noise. The random motion of electrons bouncing around as they pass through a device causes thermal noise. Higher temperatures result in more noise. Another common noise is Shot Noise. The difference in arrival times of electrons as they cross a barrier or gap between two materials causes Shot Noise. Devices like transistors and diodes, which have different layers of materials inside, are common sources of Shot Noise. There are many more types of noise.

As you can imagine, the amount of noise generated by any one of these devices is minuscule. When you add up a little bit of noise from a bunch of components, then you amplify the resulting signal, the amount of noise in the output of a circuit grows dramatically.

Noise happens in source units, signal processors and amplifiers. Once you add noise to the signal chain, it’s essentially impossible to remove it.

The Sound of Noise

Signal-To-Noise RatioAn easy way to hear what noise sounds like is to connect a set of headphones to your laptop computer and turn the volume up fairly high. You’ll hear a hiss through the headphones. That’s noise. (Note: Please be careful, we want you as an audio enthusiast for life. Take those headphones off before your computer plays a sound and you risk damaging your hearing.)

How We Measure Noise

Signal-To-Noise RatioThere are a few ways to quantify the noise an electronic component creates. One method is to simply state the noise on the output of the device in absolute terms. The measurement could be in volts or watts, and quantifies the amplitude of the noise signal. You won’t see this used to describe audio components, however.

The most common method of quantifying the noise that a product adds to the signal is to compare the noise level to that of the audio signal coming out of the device. Because the difference in these levels can be quite large, we state the ratio of the signal level to the noise level using the decibel (dB) scale. The decibel scale is logarithmic. As such, a difference of 6 dB represents a doubling of the amplitude ratio, 20 dB is ten times the amplitude, 40 dB is 100 times, 60 dB is 1000 times and 80 dB is 10,000 times and so on.

Let us look at a moderate quality amplifier – nothing awesome, nothing disastrous. We see that this fictional amplifier has a S/N Ratio of -82.3 dB when referenced to 1 watt of power output into a 4-ohm load. What does that mean? Well, first, we know that to produce 1 watt of power into a 4-ohm speaker, we need 2 volts RMS of signal coming out of the amp. Our noise level is 82.3 dB quieter than 2 volts. Using an online calculator, that means that the noise produced by this amp is 0.00006918309709189363 times smaller than 2 volts, so it’s about 0.000138 volts. A little more math and that works out to 4.785 nanowatts.

Nope. That isn’t very much noise. And in most cases, you probably can’t hear it.

What if we work hard and find a below-average amplifier? Something with a S/N spec down around 70 dB? If we apply that math to our 2 volts of rated output, we get a noise level of 99.99 nanowatts. Yep, that’s a LOT more watts as compared to the previous example.

Clarifying the Mysterious Signal-To-Noise Ratio

If you look at an amp spec from more than about 10 years ago, or you see a number that is abnormally high, they may be rating the noise level using the maximum output capability of the amplifier as the comparing factor. If we measure an amplifier’s noise output level at 1 watt to be 85 dB, then you increase the amplifier’s output to 10 watts, assuming it doesn’t make any additional noise, the S/N ratio will be -95 dB. If the amp can produce 100 watts with no more noise, the ratio is now -105 dB. There are hundreds of amps that can produce 1000 watts – so that noise ratio measurement would now be -115 dB. When it comes to printing numbers on a gift box, in a brochure or publishing them on a website, being able to say that the S/N Ratio is -115 dB sure looks more appealing than -85 dB.

Signal-To-Noise RatioThe CEA-2006 specification established a standard set of guidelines for S/N Ratio noise measurement. The specification dictates that we measure the S/N Ratio compared to 1 watt of output into a 4-ohm load. A new specification is in the works that will help quantify the adjustment of the sensitivity setting on the amplifier during the measurement process. As it sits, the lower the setting of the amp, the better the S/N ratio measurement will be. Want to confirm this? Next time you are installing an amp, turn the system on with no signal connected to the amp and listen to the speakers. Then turn the amp gain up all the way. You will hear the noise level increase. Please turn the gain back down and shut the system off before proceeding.

Why is the Lack of Noise Important?

How can we quantify the desire not to add noise to our signal? Here is a simple analogy. If you purchased a TV in recent years, you may have heard the expression ‘blacker blacks.’ ‘Blacker blacks’ refers to how dark the screen gets when there is no signal. Blacker is better. When you think about your audio system, a ‘more negative’ S/N ratio means that the noise is quieter than the audio signal. We don’t want to listen to noise. -90 dB is better than -80 dB. Go it? Clear?

There are so many criteria to balance when choosing any car audio product. Power levels, efficiencies, distortion characteristics, features and functions all play an important role. Understanding the meaning of the S/N ratio measurement is very important. We don’t want ANY distortion or noise added to our music, but the laws of physics deny us that luxury. Do your best to choose products that, through careful design and choice of internal components, minimize these negative effects. Your local mobile electronics specialist can help steer you towards some amazing equipment. Drop in and check out what’s new.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Classic Car Audio, RESOURCE LIBRARY

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Devine Concepts
14848 Old 41 Rd
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Naples, FL 34110
Phone: (239) 451-3210

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