CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

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Old Mar 10, 2003 | 09:41 PM
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Question Radio question

While listening to AM talk/new/sports and the volume is turned up it sounds like my speakers are slightly blown, but when in FM and even turned up all the way the speakers sound fine. Thoughts?
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Old Mar 11, 2003 | 08:36 AM
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Without going into too much detail, an AM signal by nature is more susceptible to noise and interferance than a comparable FM signal.

Noise and interference cause distortion, and distortion is what causes your speakers to eventually blow.

Therefore the AM station will have more distortion at a comparable volume with an FM station, and that is why it sounds like your speakers are slightly blown.
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Old Mar 11, 2003 | 10:55 PM
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Originally posted by atl2nyc
Without going into too much detail, an AM signal by nature is more susceptible to noise and interferance than a comparable FM signal.

Noise and interference cause distortion, and distortion is what causes your speakers to eventually blow.

Therefore the AM station will have more distortion at a comparable volume with an FM station, and that is why it sounds like your speakers are slightly blown.
Thanks for the info.

I never really noticed the AM problem on my 01 clk 430 but the FM reception was quite poor on that car
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Old Mar 11, 2003 | 11:12 PM
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I never really noticed the AM problem on my 01 clk 430 but the FM reception was quite poor on that car
The issue could also be your antenna, as excluding the head unit, that is the most imortant factor in receiving an AM/FM signal. It could be that the antenna on your 430 was not as well tuned to the FM band or that it was placed poorly on the car.

Basically, a lot of things can affect your radio reception, so its hard to pinpoint the exact cause of the difference between the cars.
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