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pikipupiba's avatar

Can you hook up a capacitor to a home AC amp like you would in a car's DC amp? Possible at all?

Asked by pikipupiba (1629points) February 9th, 2010

I have a killer sound system that comprises of a 1500 Watt amp and 2200 Watt (Peak) 1100 Watt (RMS) of speakers. At high volumes the bass quality sucks when it hits hard and the ability to add a large capacitor to the system would (I think) solve my problem by providing that power when it is really needed. Can I do it??? If so, how???

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15 Answers

Adagio's avatar

I can’t see the word capacitor without immediately thinking of The Flux Capacitor and Back to the Future, doesn’t help you much, sorry.

Tropical_Willie's avatar

The sound you hear is the Amp clipping the Speakers, You have over driven the speaker cones, the power of the amp exceeds the speaker rating! Do it enough times and you will destroy the speakers. 2200 is lots bigger than 1100….

pikipupiba's avatar

oh, sorry, no, the SPEAKERS are 2200 Watt Peak and 1100 Watt RMS, the amp is just 1500 Watts

Tropical_Willie's avatar

Still you have clipped the speakers if the sound is distorting. The capacitor idea you are talking about maybe a crossover network that limits frequency ranges. Have you thought of adding a sub-woofer?

pikipupiba's avatar

There are 4 subwoofers, thats why they strain the power supply so much when the bass hits. They all need a lot of power all at the same time.

Tropical_Willie's avatar

A sub-woofer is separate from the speakers and takes ALL the lower range into the sub-woofer. I see the four woofers.

You still maybe over driving the speakers or worse causing the amp to distort.

The amp needs to have an extremely CLEAN feed for clean sound

Tropical_Willie's avatar

Speakers you show are big but the lower frequency cause the cone to move on some sub-woofers over an inch!

pikipupiba's avatar

Oh, sorry, my bad, hehehe.

What do you mean by clean feed and causing the amp to distort?

And I know I’m not over driving the speakers because if I only hook up 2 at a time they go deep and they hit really hard all the way to (almost) max volume and sound really good. I just want that kind of bass response with all four. I’m pretty sure that the only problem is my amp can’t handle all the speakers needing peak wattage all at once.

Yea, they move a lot. The speakers break up the signal in the box and channel it to tweeter mid and sub.

pikipupiba's avatar

Oh, and another thing that shows that it’s a lack of power is that all the lights on the amp get really dim when the bass hits.

JeanPaulSartre's avatar

Well, you’d need an AC capacitor for sure (not like the one from your car) and I’m not 100% sure such a creature would be up to code outside of an industrial application… but don’t quote me on that. Probably what you really need is to isolate out your audio onto its very own circuit(s) in your home… I’m assuming you have 120 (that you’re in the states) – It’s probable if your lights are dimming, that it’s just more than that circuit can handle at any given moment… That’s gotta be one hell of a system!

pikipupiba's avatar

Oh, it is, hehehe. I am a meager college student living in a dorm who happened to get some amazing deals on eBay and I now have the ability to simultaneously annoy every room above, below, and even clear down our very long hall. I don’t think a college student should have this much power, but it feels gooooooooood. hehehe

So what exactly do I have to do with or hook up to my amp/speakers?

Axemusica's avatar

Are you trying to hook all 4 to separate channels? That might be exceeding the power limits of the amp. Have you tried bridging 2 speakers to 1 channel each?

pikipupiba's avatar

ooooooooo, I will try that tomorrow when I won’t wake everyone up, hehehe

dabbler's avatar

@Tropical_Willie I think “needs to have an extremely CLEAN feed” is why @pikipupiba wants to add a honking capacitor in the first place.

I think you’d want to add that to your DC power supply to give it more reserve power for peak demand.
But if the design of the amp is good at all, the parts are balanced with each other. If you goose up the power supply so that it doesn’t clip anymore, the rest of the circuitry might be dealing with more power than it can handle and blow output components, etc.

Hate to say it but, by your description maybe it’s loud enough, anyway.

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