Common Car Stereo Problems, Symptoms and Solutions: Aftermarket Stereos

Whether it’s an installation that might not have gone as planned, or a random problem that comes out of nowhere. Here is a list of your common car stereo problems, symptoms and solutions to help get your stereo up and running! Many Jeeps and Chevrolet systems have a data signal wire that carries a very low voltage signal that tells the OEM Head Unit when to turn on, however; it is not compatible with aftermarket units. If you have a voltage meter or a test light, test the ground black , constant 12v yellow , and accessory 12v red wires to make see if you have the correct voltage in the correct wires, as well as a good ground. Constant will always be 12v, whether or not your car is on. Make sure to use your ground, as well as another ground like the frame or body of the car while testing your constant and accessory to test that you have a good ground. If you find that one of your power wires or ground wires are not correct, check your vehicle wire diagram and make sure you have the correct corresponding power and ground wires.

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The following is the most basic system. It involves a head unit HU and 2 pairs of speakers which are driven by the head unit’s internal amplifier. You can see that the battery terminal of the HU is connected to a constant source of power the battery with an inline fuse. The accessory wire for the HU is connected to a power source which only has power when the ignition switch is in the ‘on’ or ‘acc’ positions.

Note: Your MTX amplifier may have a speaker level input, eliminating the need for the LOC. Connect your speakers to your MTX amplifier’s speaker terminals using the proper gauge speaker wire. Ensure your speaker wiring is properly designed to result in the proper system impedance and phase to match your amplifier.

One thing I learned pretty early in life is that speakers are not meant to be wired together in a haphazard manner. In fact, whenever you plan to connect more than two speakers to a two-channel amplifier — or more than four speakers to a four-channel amp — there are a few things to consider, not the least of which is the amps ability to handle low-impedance loads. Ignoring the basics is like playing Russian roulette with your amplifier: If youre lucky, itll drive the speakers without incident; if youre not, the amp will fry.

The great thing about a multiple-speaker hookup is that once you master only two basic wiring procedures — “series” and “parallel” — the world is yours to conquer. When you know how many speakers youre going to use and the impedance driving capability of your amplifier, youll be able to select a wiring scheme that will deliver the best sonic and electrical results. In some cases, it may not be one procedure or the other but a combination of the two that works best.

Speakers in Series The essence of series wiring is really quite simple: When speakers are connected in this fashion, load impedance increases — the more speakers, the higher the impedance. The most common reason for wanting to raise impedance is to lower acoustical output, as in the case of rear-fill or center-channel speakers. Speaker output declines because the amplifiers power output decreases as the load impedance increases. While you can connect any number of speakers in series, try to keep the total equivalent-load impedance for each channel below 16 ohms, since most amps are not designed to handle higher loads.

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Hooking up an equalizer in a car stereo involves hooking up an RCA patch, connecting the equalizer’s output to the amplifiers’ RCA inputs and connecting the equalizers to the receivers.

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Some questions need to be answered and a basic design needs to be formulated. What is this amp going to power-up? What impedance load will you be using? By paying attention to this impedance matching process you will save money, time and get the performance you want.

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Automotive wiring in a Nissan Maxima vehicles are becoming increasing more difficult to identify due to the installation of more advanced factory oem electronics. One of the most time consuming tasks with installing an after market car stereo, car radio, satellite radio, xm radio, car speakers, tweeters, car subwoofer, crossovers, audio equalizer, car amplifier, mobile amp, car amplifier, mp3 player, ipod or any car audio electronics is identifying the correct color car audio wires for your Nissan Maxima.

The Modified Life staff has taken all its Nissan Maxima car radio wiring diagrams, Nissan Maxima car audio wiring diagrams, Nissan Maxima car stereo wiring diagrams, Nissan Maxima car radio wiring schematics, Nissan Maxima car wiring diagrams and cataloged them online for use by our visitors for free. Our automotive wiring diagrams allow you to enjoy your new mobile electronics rather than spend countless hours trying to figure out which wires goes to which Nissan Maxima part or component.

Use of the Nissan Maxima wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your Nissan Maxima. Adding More Information If you would like to help the Modified Life community by adding any missing information or adding a new car audio wire diagram to our resource, please feel free to post it at the bottom of this page.

Amplifiers

Trim panel removal tool Step 1: Installing the 12v Power Wire In your amplifier wiring kit, generally a red in color wire is the longest one, which is the 12v power wire. You need to pass the wire through the firewall.

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Equalizers What are power amplifiers? Power amplifiers are devices that amplify electrical signals that have been adjusted to an appropriate volume and tone sent from the mixer, to a level that can be converted to acoustic sounds by the speakers. There are various types and models of power amplifier, varying in size, shape and output power, which are suited to different situations. There are three major types of power amplifier, the characteristics of which are described below. Stand-alone power amplifiers amplify the signals sent from mixers to make the speakers produce sound.

Several stand-alone power amplifiers can be installed together in racks, making it comparatively easy to build a large-scale PA system. Since the mixer and power amplifier which require a power supply are integrated into the PA system, only one power supply connection is required, and there are less connections to make than with stand-alone amplifiers. Since the built-in power amplifier is designed specifically for the speaker, the speaker and power amplifier combination feature superior compatibility, allowing the speaker to perform to the fullest.

The mixer output can connect directly to the powered speaker, so there are less cables required. To build a PA system as easily and simply as possible, use either a powered mixer or powered speakers, which require fewer connections. However, stand-alone amplifiers offer a higher level of freedom, for expanding a system and for planning where to position the equipment.

What Do You Need to Hook Up an Amplifier to a Car Stereo?

This matches the output of most preamplifiers and indicates that the SM S1 should work with the great majority of pre-amps, regardless of brand. The specs above also tell us that the THD total harmonic distortion in the audio range of , Hz is only 0. Taken as a whole, this amplifier does what I suggested a power amplifier should, which is make the input signal big enough to drive the loudspeakers without audibly changing it.

I’ve had a watt car amp and a 12″ mtx sub in my garage for years and since I never plan on using it in my car again I wanted to try and hook it up in my home to my stereo or computer.

How to Install a Car Amp Installing car audio amplifiers is one of the trickiest things a newbie car audio installer can attempt. Car amp installation requires that all sorts of panels be removed and that various wires be run all over the car. Installing car audio amplifiers is a step by step process which I have outlined here.

If you have any questions please contact me by clicking here. Please do not attempt a car amp installation if you are not comfortable with the process. Leave it to a professional. Now here are the steps on how to install a car amp. There is also a wiring diagram below. These directions assume you have already physically mounted your amplifier to a solid, non-conductive surface non-metal. If you have not purchased your power wiring be sure to read this article on choosing wire gauge for amplifiers.

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In some ways, thick, high-end wire can present MORE of a problem than the conventional skinnier stuff. More on that later. For the purposes of discussion we will use the term “amp” short for amplifier to refer to any receiver, integrated amp or power amp. This sheet is intended for solid state, transistorized sets. We’ll leave tubes out of this particular discussion.

“I have this amplifier connected to two 10 inch niche comptetition subwoofers. While playing my music for 30 minutes the amplifier goes to protective mode dont get me wrong they sound amazing really loud and for a cheap price.

About Amplifiers Kicker amplifiers provide amazing power, control, and flexibility, accompanied by a sleek design. With a focus on quality and design, our car amps allow you to command the sound within your ride. Amps serve to increase the power to the car radio and speakers, all while improving the quality of the audio. Our car-stereo amps are constructed to deliver in every aspect with the folks that enjoy loud and refined sound in mind.

Kicker offers five series of car amplifiers: The IQ amplifiers combine power and control to deliver great sound. The KX amps boast a more sleek design, along with potent features to pump out up 2, watts of power. The CX series benefits from an optimized circuit layout and the highest-grade internal components available to obtain massive power levels. DX amplifiers comes loaded with Fail-Safe Integration Technology circuitry to deliver superior clarity and wiring flexibility, which allows you to wire the amp directly to your factory radio without any converters or special plugs.

The PX amps, with as much as watts, deliver incredible power from a small footprint. Find the perfect amp for your system today and enjoy free shipping on all amplifiers.

Audio Systems

How to install an Amplifier: Disconnect the battery terminals: Run the power cable from the battery to the location of the amp or distribution block. To read more about running wires, click here If you run it through any sort of sheet metal, be sure to protect the power cable with a rubber grommet, or some other protective device.

The jack on the amplifier may even be labeled “subwoofer output,” just to make things easy for you. Make sure both the subwoofer and the amplifier are turned off and disconnected from the power source.

Connect negative ohmmeter lead AND power supply negative lead to unit chassis ground. Also connect the – lead of both test speakers to the unit chassis. Set ohmmeter to R x K range or higher. Turn radio on and off repeatedly or insert and remove a tape if an 8 track-only unit while touching the positive ohmmeter lead to each terminal or wire. If unit is a Delco 8 track player only, there are TWO wires that will drop the resistance.

If a Delco 8 track player, note which two wires drop the resistance. Connect the positive power supply lead to these wires one at a time, turn on power supply and insert a tape. If front and rear equipped, repeat step to identify these wires also. Remove the tape, then use a voltmeter to determine which wire sends power to the radio when tape is removed. Identify this wire as “Power to radio”. Reduce power supply voltage to 3 to 6 volts. Remove power supply positive wire from the unit’s wire or connector, then touch it to the remaining wires or terminals.

When you hear a click from the left speaker, you have found the left “To Radio Left Output” wire.

How To Hook Up Car Audio Amplifier For Subs – Basic and Simple Guide


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