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Subwoofers
Sub is muddy - need crossover?
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<blockquote data-quote="UCbizerkeley" data-source="post: 3200225" data-attributes="member: 579069"><p>Ok, so I am very uneducated about car audio, but have been doing my best to read and BECOME educated ASAP. I have spent the last two days wiring my car, and finally got to try things out, only to be a tad let down. So here is what I have going so far:</p><p></p><p>My car: 1990 735i BMW (has a stock amp, that feeds 30w to speakers. Will come back to this)</p><p></p><p>Sub: 1x Alpine Type R 12" (500 RMS, 2 ohm)</p><p></p><p>1 cubic foot sealed Kicker Box</p><p></p><p>JL Audio 500/1 Amp</p><p></p><p>Head unit - Panasonic cq-df583u</p><p></p><p>Ok, so I ran the preamps from my amp to the back of my aftermarket head unit, which has 4 RCA jacks (2 front, 2 rear). At first, I just plugged into the rear two jacks, then got an adapter to plug 2 RCA jacks into the 4. This made the sub louder, but not any less muddy. This wiring was direct - I have no crossover installed to my knowledge, unless there is one in my headunit (which I doubt).</p><p></p><p>I am wondering how I should be wiring this, because as I have it, the sub is distorted, muddy and basically lackluster - I have heard great things about the abilities of the Type R (even 1) and I believe my wiring has to change.</p><p></p><p>At current, when I adjust the bass settings on my head unit (raising or lowing bass dB and/or turning on/off bass booster) it affects both my sub AND my speakers. THis is not at all what I want, since I have read it is superior to let the sub handle the bass and the speakers the mids and highs. Can I achieve this with just the RCA jacks on my head unit?</p><p></p><p>Thanks for eveyrones help - I can't wait to get everything aligned</p><p></p><p>lastly - the head unit supplies 50x4 or 12.5 watts to each speaker. This would mean each speaker I have is receiving 42.5 watts I guess (since they are factory rated at 30) and become distorted quite easily as i raise volume. Solutions?</p></blockquote><p></p>
[QUOTE="UCbizerkeley, post: 3200225, member: 579069"] Ok, so I am very uneducated about car audio, but have been doing my best to read and BECOME educated ASAP. I have spent the last two days wiring my car, and finally got to try things out, only to be a tad let down. So here is what I have going so far: My car: 1990 735i BMW (has a stock amp, that feeds 30w to speakers. Will come back to this) Sub: 1x Alpine Type R 12" (500 RMS, 2 ohm) 1 cubic foot sealed Kicker Box JL Audio 500/1 Amp Head unit - Panasonic cq-df583u Ok, so I ran the preamps from my amp to the back of my aftermarket head unit, which has 4 RCA jacks (2 front, 2 rear). At first, I just plugged into the rear two jacks, then got an adapter to plug 2 RCA jacks into the 4. This made the sub louder, but not any less muddy. This wiring was direct - I have no crossover installed to my knowledge, unless there is one in my headunit (which I doubt). I am wondering how I should be wiring this, because as I have it, the sub is distorted, muddy and basically lackluster - I have heard great things about the abilities of the Type R (even 1) and I believe my wiring has to change. At current, when I adjust the bass settings on my head unit (raising or lowing bass dB and/or turning on/off bass booster) it affects both my sub AND my speakers. THis is not at all what I want, since I have read it is superior to let the sub handle the bass and the speakers the mids and highs. Can I achieve this with just the RCA jacks on my head unit? Thanks for eveyrones help - I can't wait to get everything aligned lastly - the head unit supplies 50x4 or 12.5 watts to each speaker. This would mean each speaker I have is receiving 42.5 watts I guess (since they are factory rated at 30) and become distorted quite easily as i raise volume. Solutions? [/QUOTE]
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Sub is muddy - need crossover?
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