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BMW 3-Series (E90 E92) Forum
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I feel a hiss with amp on the channel
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| 12-11-2008, 05:55 AM | #1 |
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I feel a hiss with amp on the channel
hallo i have a navi professional original
yesterday i have installing an amp with the hi level (no rca) and when i connect the channel of hi level in input i feel a hiss  how i can resolvin the problem?? i have the 4800 phonocar amplifer http://www.phonocar.it/easysite/sche...lingua=inglese 
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 BMW 335i Spacegrey - Cerchi styling 230 19" - Assetto sportivo M - Tettuccio - Pelle Dakoda Schwarz - Sedili Sportivi - Navi. Pro 16:9 - Adaptive light Control - 306 cv. |
| 12-11-2008, 07:05 AM | #2 |
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Ciao Marcello
Check that you have wired the hi-level polarity correctly (check the positve and negative of the speaker cable are correct) If that is correct, the gain on the amp might be set too high. What speakers are connected to the amp? |
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| 12-11-2008, 12:42 PM | #3 | |
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from italy
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Quote:
i have down the gain but the noise is same 
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