Question about Infinity Speakers Infinity - KAPPA FOUR - 4-Channel 600W RMS KAPPA Series Car Amplifier

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Distortion in speakers

I have a Marantz component system attached to Infinity Kappa 600 speakers. It has started giving distortion noise since last few months especially at low volume and more pronounced in left speaker. The system is about 10 years old.

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Bad distortion of Bose Lifestyle V35


It may be due to one of the component attached. Detach all the components and test by connecting one by one. Try connecting radio at last.

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I have a Marantz 2275 receiver hooked to some JBL speakers. I noticed one of the speakers crackling. I swithched the speaker wires around and now the other speaker crackles so I'm guessing it is


Doesn't sound like it's a speaker - more likely a fried chip or transistor causing harmonic distortion.
It's usually more cost effective to replace modern audio components than to fix them.

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My brand new Kappa One amp is powering 2 brand new Kappa 100.9w subs at a 2 ohm load. The Ground an Power are both 4 gauge wire. The problem is my amp is just getting so hot that I can only touch it for a...


Sometimes these amps have been known to get hot very easily. That said, I would first confirm the resistance on your speakers at rest is 4 ohms each, so that your amp is seeing a 2 ohm load. Be sure that the smart switch on each sub is flipped to the 4 ohm mode, and measure each separately.
Be sure that you've properly set the filters, gain, and bass boost so that your amp is not being over driven. Your HP filter should be set no lower than 20Hz--most music is never going to go that low so there is no point. A narrower frequency band is always going to be healthier for your subwoofer. The LP filter should be set no higher than 90 to 100 Hz at the most, depending on how much midbass your speakers can handle, so that you don't have too much of a sonic gap between the subs and mids. As for the gain, a good place to start is with your radio set at it's highest comfortable, distortion free setting, minus 25%, then start with the amp's bass boost all the way down, and the gain set to the minimum level at which you can just begin to hear music. Choose a bass heavy track if you ever listen to bass heavy music, so we can prepare for the most stress that the amp will experience. Slowly turn up the gain until you start to hear distortion during heavy bass hits, and back off 20% - 25%. This should be the highest volume you ever push your amp to, and from here, you can ever so slightly turn up the bass boost if you absolutely must, but not to the point of any distortion, if you hear any, back it off a bit.

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I have a 2002 Chevrolet Camaro with the Monsoon stereo system, The front speakers take four wires. The Infinity Kappa 62.7i were the perfect speaker, but they stopped making them. I do not want to put...


one of those wires on your speakers is the common ground for both sets of wires in your camaro, Just take the negative wire from both sets of wires and run it to the single wire on your new speakers. The other 2 are positive from each wire. good luck

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1 Answer

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Based upon your description, the most likely caue is the D-A converter chip inside the marantz. This is a relatively common failure. Replacing the IC should resolve the problem.

Dan

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Try to see if the reciever will make the buzzing/noise without anything connected to it except power, and speakers. Tune into a local radio station and see if the noise continues. If the noise has stopped, then you know there is an issue with the player or cable.

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Remember that driving a load with an underpowered amp will probably cause more problems than having a more powerful amp that is not running flat out. 200-300W amp would be ok, but I would suggest going for the biggest you can afford. If you crank up the volume on the smaller amp you will probably get a fair amount of distortion, which may actually damage the speakers. A larger amp will not give as much distortion for the same loudness/volume and give better control of the speakers for a tighter bass..

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