Nema basa iz zvučnika automobila? Evo što učiniti.

Prilično je uobičajeno da vlasnici automobila zamijene svoje tvorničke zvučnike nadogradnjom koja je puno bolja od zvučnika s kojima automobil dolazi. Ali ima dosta problema koji se obično pojavljuju kada zamijenite tvorničke automobilske zvučnike novima.

Jedan od uobičajenih problema je izostanak basa iz zvučnika. Dakle, koji je razlog zašto nema basa iz zvučnika mog automobila?

Najčešći razlog zašto basovi ne izlaze iz zvučnika vašeg automobila je taj što ste obrnuli polaritet zvučnika postavljanjem pozitivne žice iz pojačala ili prijemnika s negativnim priključkom zvučnika.

Ako je, na primjer, lijevi zvučnik spojen na pravi način, a desni je obrnut, bas će biti "poništen".

Postavljanje vaših novih automobilskih zvučnika moglo bi se činiti pomalo lakim, ali morate biti sigurni da to radite na pravi način, posebno kada je u pitanju polaritet.

Oni koji nisu audiofili ili tehnički stručnjaci vjerojatno neće razumjeti koliko je to važno, ali mi smo tu da vam objasnimo zašto trebate postaviti svoje zvučnike na pravi način da biste maksimizirali bas.

Zašto iz zvučnika automobila nema basa? I što učiniti u vezi s tim.

Jedan od mnogih razloga zašto mnogi ljudi nastoje zamijeniti svoje tvorničke automobilske zvučnike novima je dodavanje više snage i života glazbi koju puštaju kad god voze.

Naravno, osim glasnoće zvuka zvučnika i ukupne kvalitete, jedan od najvažnijih aspekata koji poboljšavaju dinamiku vaše glazbe je bas. Tvornički zvučnici koji dolaze s vašim automobilom obično nemaju bas dovoljno snažan za vaše potrebe.

Zato biste možda trebali tvorničke zvučnike zamijeniti novima koji imaju snažan bas.

Bas dodaje snagu glazbi i dodatne udarce i ritmove koji bi pokrenuli vaše srce i tijelo uz glazbu. Bas vam također pomaže dati više onog osjećaja uronjenosti kad god slušate svoju glazbu dok vozite.

Bez basa vaša se glazba čini glatkom i jednostavno nema onu snagu i oomph koji tražite od svojih zvučnika.

Ali problem s kojim se ljudi često susreću kada sami zamijene svoje tvorničke zvučnike novijim i boljim je taj što možda neće čuti basove iz svojih novih zvučnika. Mnogi ljudi pokušavaju prilagoditi glasnoću zvučnika kako bi čuli bilo kakav privid basa koji izlazi iz njih, ali to im jednostavno ne ide u prilog jer glasnoća zvučnika nije glavni razlog zašto nema basa.

Ipak, ovdje smo da saznamo zašto zvučnici vašeg automobila nemaju bas pri bilo kojoj glasnoći i kako možete riješiti ovaj problem.

Razumijevanje polariteta zvučnika

Glavni krivac zašto vaši novougrađeni zvučnici u automobilu nemaju bas ima neke veze s polaritetom zvučnika. Ali da biste ovo razumjeli, dopustite mi da vam objasnim nekoliko stvari.

Kada vaši zvučnici proizvode zvukove, pomiču se u skladu sa signalima koji dolaze iz pojačala ili prijemnika. Ako pokušate otvoriti kućište zvučnika i promatrati membranu, ona će se pomicati naprijed i nazad, ovisno o signalima koje prima.

Kretanje zvučnika također će utjecati na kvalitetu zvuka koji proizvode jer utječe na zračne valove oko njih.

Zamislite to na ovaj način. Kada udarate po bubnju, palica za bubanj će gurnuti bubanj prema unutra, stvarajući tako negativan pritisak u zračnim valovima oko njega. Taj isti pritisak utječe na zvuk koji čujete. I čim se bubanj odmah vrati, stvara pozitivnu silu u zračnim valovima, čime utječe na zvuk u okolnom području.

Isti način vrijedi i za zvučnik jer pokreti stošca izravno utječu na zvuk koji čujete.

Kad god primi pozitivan signal koji dolazi iz pojačala ili prijemnika, zvučnik bi se trebao prirodno pomaknuti naprijed, utječući na zračne valove kako bi se stvorio pozitivan pritisak koji dobro ide uz snimljenu glazbu koju zvučnik reproducira.

Isto je i s negativnim signalima jer bi se zvučnik trebao kretati prema unutra kad god primi takve signale.

Vratimo se na primjer bubnja. Ako snimljena glazba koju zvučnici reproduciraju uključuje zvukove bubnja, zvučnik bi se trebao pomicati prema unutra kad god se reproducira zvuk udaranja bubnja.

U međuvremenu, trebao bi se pomicati naprijed kada zvučnik reproducira zvuk koji proizvodi bubanj kad iskoči natrag.

Dakle, kada postavljate svoje zvučnike, morate spojiti pozitivnu žicu iz pojačala ili prijemnika na pozitivni terminal zvučnika. Na isti način biste trebali postupati s negativnom žicom.

To će omogućiti zvučniku da se pomakne naprijed kada bi se trebao pomaknuti prema naprijed i pomaknuti prema unutra kada bi se trebao pomaknuti prema unutra, ovisno o zvukovima koji dolaze iz pojačala ili prijemnika.

Ali što se događa ako se žice pomiješaju? Tada će zvučnik biti izvan faze.

Zvučnik izvan faze =nema basa

Kao što je spomenuto, uobičajeni razlog zašto nema basa iz novoinstaliranih automobilskih zvučnika je taj što zvučnici možda nisu u fazi ili možda jedan od njih nije pravilno spojen do te mjere da ste im pomiješali polaritete.

To se događa kada spojite pozitivnu žicu s negativnim priključkom i negativnu žicu s pozitivnim priključkom.

Kako bismo vizualizirali što se događa kada su vaši zvučnici izvan faze, vratimo se na kretanje koje čine zvučnici. Spomenuli smo da bi se zvučnici trebali pomicati prema naprijed kada snimljeni zvuk koji reproducira stvara pozitivan tlak u zraku, tako da će i zvučnici stvarati pozitivan tlak u zraku. Isto je slično negativnom tlaku zraka.

But, when the speakers are out of phase, the speakers will be moving forward even though the recorded music it is playing created a negative pressure because of how you connected the wire transmitting negative signals to the positive terminal.

So, when the car speaker plays the sound of a drum getting struck, which should create a negative pressure in the airwaves, your out-of-phase speaker will now be moving forward instead of backward. As such, the pressure that the speaker is creating does not match with the sound that it is playing.

If this is what happens when the speakers are out of phase, why is there no bass coming from your car speakers?

How speaker polarity affects bass

The reason why bass is usually the most affected when your speakers are out of phase is that bass depends a lot on air pressure.

So, if you noticed in home theater setups compared to car speakers, they always come with a large subwoofer that handles most bass-related sounds.

And when you get close to the subwoofer, you can actually feel the changes in the air pressure made by the movements they make, especially during the parts of the music or the movie that are heavy on the bass.

Going back to your car speakers. The bass is affected when the speakers are out of phase primarily because they cannot create bass.

Because bass is mainly dependent on the air pressurization made by the positive and negative pressure caused by the speakers’ movements, you won’t be able to get any bass at all if you inversed the polarization of your car speakers.

The car speakers will be moving forward when they should be moving backward, and vice versa. As such, the bass will be inaudible at best.

When you have one pair of speakers in the car, and you were able to get the right polarization in one speaker, but you inversed the polarization in the other one, there is a good chance that you won’t be able to hear any bass. And this is because the speakers will effectively “cancel” each other out.

What happens is, the speaker that is out of phase will try to compete with the speaker that is in phase .

When the in-phase car speaker moves forward following the sound signals it is receiving from the amplifier or the receiver, the speaker that is out of phase will be moving inward instead.

The positive air pressure that the speaker that is in phase makes is basically getting canceled by the negative air pressure that the speaker that is out of phase is creating.

Cancellation happens more often in smaller cars because of how the speakers are usually close to each other. However, it can still occur in larger cars, but the bass may not be as audible as you might have wanted it to be.

All in all, the biggest culprit as to why you do not hear any bass from your newly installed car speakers is that you may have inversed their polarity, and one of the speakers is out of phase.

How to fix the missing bass issue?

Test speakers polarity

Suppose your wires are mixed up, and you accidentally placed the positive wires of your amplifier or receiver with your speakers’ negative terminals and vice versa. In that case, you might think that the fix is relatively easy because all you have to do is to re-wire everything again and make sure that you did things right this time.

Well, to some extent, that is true because the best way for you to fix the polarity of your car speakers is to make sure that you connected the right wires with the correct terminals. However, there are still reasons why it might not always be as easy as we may think.

There are some cases wherein the wires and terminals on the car speakers are not labeled properly to the point that it will be difficult for even the most experienced user to get the wiring right.

Usually, the red wires denote positive wires while the black ones are the negative wires. However, again, there are times when neither the wires nor the terminals are correctly colored or labeled. That’s when the confusion tends to happen.

So, the first thing you need to do to know if your speakers are wired correctly is to test the polarity. Here are some of the ways you can do:

Use a speaker tester

The easiest way for you to test your speakers’ polarity when the wires are not labeled is to make use of a speaker tester. They are relatively affordable and quite easy to use, depending on the speaker tester you purchased.

Speaker testers are not only useful for testing your car speakers’ polarity, but they can also be used for other reasons because they generate their own signal.

As such, a speaker tester can be a good investment for you, especially if you are an audiophile.

The tester I often use and I am happy with is the PAC TL-PTG2 . It does not only test the speakers, but it also checks if they work properly in general, and can be used with all sort of speakers thanks to the ability to create tones from 13Hz, up to 10,000Hz.

You can find PAC TL-PTG2 tester on Amazon, and if you want to test your speakers with a product of really good quality, click this link and check the latest price.

Use a 9V battery

A relatively cheaper way to test your speaker polarity out is by using a 9V battery that you may have lying around in your home. If you do not have one, click this link and check the latest price on Amazon.

Using a battery is a relatively easy method and will not hurt your budget, especially if you had just spent a lot on your new car speakers.

Here is how you use a 9V battery to test your car speakers’ polarity:

• Open one of your car speakers so that their wires are revealed.

• Place one of the wires of a speaker to the positive terminal of the battery. Do the same with the other wire and connect it to the negative terminal of the battery.

• Observe how the speaker reacts and moves after you had made the connection to the battery. If the speaker moves outward, then it only follows that the wire you connected to the positive terminal is the positive one and the wire you connected to the negative terminal is the negative one. But if the speaker moves inward, it only means that you inversed the polarity, and you connected the wrong wires with the wrong terminals on the battery.

• Find a way to label the wires on the car speakers so that it will be easier for you to remember which is which.

• Do the same with your other car speakers if you are unsure which wires are positive or negative.

After you had tested your car speakers’ polarity and it came out that all or some of them were actually out of phase, the logical step to do next is to fix the wires. During fixing wires, make sure that the positive wires are connected with the positive terminals, and the negative wires are connected to the negative terminals.

Additional reasons for missing bass and fixes

If your car speakers’ polarity were correct all along and you still encounter bass problems, the reason might not be a problem with the wiring.

• Instead, it could be because you installed new speakers that are much stronger than your factory speakers. This can happen if you, for example, left the factory speakers in front but only replaced these in the rear of the car.

You won’t be able to hear any bass from the front because the new speakers will be canceling the bass coming from the factory speakers.

In this case, an easy solution is to remove the factory speakers so that you’ll only be hearing the sound from the new speakers or to replace the factory speakers with the same aftermarket as already installed.

• There are also cases wherein the wires may have been correct, but the speakers are not getting enough power. That is where external amplifiers come into play to provide the speakers with the energy they need to run well enough to produce the bass you wanted.

The bottom line is that your car speakers need something that could give them more watts so that they would be able to work efficiently and at their full capacity.