How To Add Capacitor To Car Tweeter


Why should i add a Capacitor to my car tweeter to protect it?

Its recommended that you create your own bass blocker tweeter protection circuit using a capacitor to prevent it from getting blown out. You can add a normal electrical capacitor to your car tweeter to protect it from low bass frequencies at high volume levels. Without this in place, bass that a subwoofer normally would play will be sent to it, damaging the voice coil in seconds. Once this has happened it will never sound the same and will always crackle or provide harsh sounding treble that hurts your ears in the long term. Protecting a car tweeter is only something you should be concerned about if you don't have an inline crossover box separating the frequencies. If you are just directly connecting it to the car stereo or an external amplifier it would be ideal to add a capacitor to the car tweeter as soon as possible really. This can be also used for other types of similar speakers such as horns, basically any driver that plays above 10,000 KHZ.

What Capacitor value to use for tweeter? I am confused and not sure?

Now in terms of which kind of capacitor value size you should use, the popular type is rated at 500 UF because it blocks of bass frequencies right under 100 HZ for 4 ohm tweeters. You can use the image chart provided in this how to article right below to help you find the desired Frequency you want to block out, along with the rating of the cap you require to accomplish that.

Tweeter Crossover Capacitor Chart Diagram


Following theses instructions will be helpful when you need to replace car tweeters in most cars such as BMW's and Audi's

1) Connect one leg of the capacitor to the + positive terminal on the tweeter, apply a blob of solder using an iron to secure down the connection from future movement. One cap is only need to be applied to the positive terminal. Applying one for both connections will filter out the high frequencies completely, so no sound will come out of the tweeter. So don't try it thinking the tweeter is going to be extra protected because it wont.

2) Connect the positive speaker wire onto the other leg from the cap and connect the negative speaker wire to the - terminal on the tweeter, again solder the connections.

3) Refit your tweeter back into its placement and connect the other end of the speaker wire directly to the mid range driver at the bottom of your door card..
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