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Why did both of my brand new subs blow 1 hout after install?
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<blockquote data-quote="Kb1688" data-source="post: 8795911" data-attributes="member: 686229"><p>Just to clear up some things because I'm just now able to respond. I did not wire the subs. I had a shop do it, which some people have commented they should pay for them. They had them wired down to a .5ohm load and im surprised the amp didnt go too knowing this now. Currently my amp is still working. I didn't adjust the levels nor the equalizer on the headunit or the bass knob. I kept everything where it was and only adjusted the volume. It goes to 35. It's a kenwood ddx276bt head unit. I kept it around 28-31. The subs were hitting pretty hard. Not really noticing any clipping by sound, just sounded like hard hitting subs, but maybe that was clipping since I'm unfamiliar with subs in general as to why I got on here to ask the questions because I'm new to this. After about 30 minutes the sub started making that rattling noise followed by shutting off for good 5 mins later. I thought it was the box that was rattling. The box is not ported and each sub has its own separate enclosure. I will include pictures of the box and specs. Double the air space wouldn't have mattered. I bought 2 brand new subs once again for $270 more dollars but made sure they were 4 ohms so I could wire them the same down to 1 ohm and am having a friend tune the amp correctly. They used the tools on it at the shop with a disc playing frequencies and said the amp had clean power and was tuned perfect. I just took their word because I didn't know how to do it. My mistake and I'm paying for it. I believe the amp is too big for my car anyway because as the subs were hitting I was getting pretty bad voltage drop from 14.1 down to almost 11.5 when there would be 3 or 4 base notes in a row. Again, idk if it's because the amp is too big or if it being wired at .5 ohms and clipping caused it to drop that badly. I'm new to all of this and learning. Money isn't the issue, it's the mistakes that are being made that are upsetting me. The rest was perfect. They installed my head unit, all around speakers, interior and exterior lights flawlessly. The wires aren't even present, just the sub tuning and amp wiring were my complaints. One user has offered me advice and articles on tuning the amp. I have a wiring diagram as well to put them in. I will take any advice you give me and would appreciate anyone else's opinions on tuning the amp correctly based on the subs and amp I have and also if that was causing the voltage drop or if my alternator just isn't up to the task. I have a 2016 nissan 370z base model.[ATTACH=full]39856[/ATTACH][ATTACH=full]39857[/ATTACH]</p></blockquote><p></p>
[QUOTE="Kb1688, post: 8795911, member: 686229"] Just to clear up some things because I'm just now able to respond. I did not wire the subs. I had a shop do it, which some people have commented they should pay for them. They had them wired down to a .5ohm load and im surprised the amp didnt go too knowing this now. Currently my amp is still working. I didn't adjust the levels nor the equalizer on the headunit or the bass knob. I kept everything where it was and only adjusted the volume. It goes to 35. It's a kenwood ddx276bt head unit. I kept it around 28-31. The subs were hitting pretty hard. Not really noticing any clipping by sound, just sounded like hard hitting subs, but maybe that was clipping since I'm unfamiliar with subs in general as to why I got on here to ask the questions because I'm new to this. After about 30 minutes the sub started making that rattling noise followed by shutting off for good 5 mins later. I thought it was the box that was rattling. The box is not ported and each sub has its own separate enclosure. I will include pictures of the box and specs. Double the air space wouldn't have mattered. I bought 2 brand new subs once again for $270 more dollars but made sure they were 4 ohms so I could wire them the same down to 1 ohm and am having a friend tune the amp correctly. They used the tools on it at the shop with a disc playing frequencies and said the amp had clean power and was tuned perfect. I just took their word because I didn't know how to do it. My mistake and I'm paying for it. I believe the amp is too big for my car anyway because as the subs were hitting I was getting pretty bad voltage drop from 14.1 down to almost 11.5 when there would be 3 or 4 base notes in a row. Again, idk if it's because the amp is too big or if it being wired at .5 ohms and clipping caused it to drop that badly. I'm new to all of this and learning. Money isn't the issue, it's the mistakes that are being made that are upsetting me. The rest was perfect. They installed my head unit, all around speakers, interior and exterior lights flawlessly. The wires aren't even present, just the sub tuning and amp wiring were my complaints. One user has offered me advice and articles on tuning the amp. I have a wiring diagram as well to put them in. I will take any advice you give me and would appreciate anyone else's opinions on tuning the amp correctly based on the subs and amp I have and also if that was causing the voltage drop or if my alternator just isn't up to the task. I have a 2016 nissan 370z base model.[ATTACH type="full" alt="39856"]39856[/ATTACH][ATTACH type="full" alt="39857"]39857[/ATTACH] [/QUOTE]
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Why did both of my brand new subs blow 1 hout after install?
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