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S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

A 220 820 02 02

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Old Apr 1, 2023 | 10:04 AM
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Fiat Evo
A 220 820 02 02
Hello, I have a woofer from the S Class exactly A 220 820 02 02
Does someone know what is the speaker power? Because I want to make a box for that woofer to install it in a non mercedes car.
So I need to know what is the right amplifer power for it.
Thanks in advance
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Old Apr 3, 2023 | 05:37 AM
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CL 600 '00 5.8L V12
I think it's 200W.

I didn't knew Nokia made subwoofers
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Old Apr 3, 2023 | 05:39 AM
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Thanks tim
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Old Apr 3, 2023 | 06:51 AM
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CL 600 '00 5.8L V12
You can measure the resistance of the woofer and calculate the power of you want to be sure
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Old Apr 3, 2023 | 06:59 AM
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Fiat Evo
Im not sure how to calculate it, its a 2 coil speaker, one coli resistance is 5,4 ohms
And should I wire it in parallel or series?
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Old Apr 3, 2023 | 07:07 AM
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CL 600 '00 5.8L V12
Hmm, calculating the power isn't as straight forward as I thought it'd be.
I'm not sure.

You could try and search for the wiring diagram of the entertainment system in EPC/WIS
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Old Apr 3, 2023 | 07:08 AM
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okay thanks
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Old Apr 3, 2023 | 07:23 AM
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Fiat Evo

chatgpt solved my mystery
tbh I didnt expect it to know that
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Old Apr 5, 2023 | 01:03 AM
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2005 S500 Designo
Originally Posted by ant_stefan02
tbh I didnt expect it to know that
That's on par with saying "I didn't expect the internet to know this". chatgpt is just a turbocharged search engine. very useful thoguh.
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Old Apr 5, 2023 | 01:35 AM
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2021 S450 4Matic
The woofer has 4 Ω (see pic below).
Battery is 12.4V.

Power = V² ÷ R = (12.4)² ÷ 4 = 38.4 W.



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Old Apr 5, 2023 | 03:03 AM
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Originally Posted by bishop64
The woofer has 4 Ω (see pic below).
Battery is 12.4V.

Power = V² ÷ R = (12.4)² ÷ 4 = 38.4 W.


Thanks a lot
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