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Car Audio Equipment
Subwoofers
Break in period for subs
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<blockquote data-quote="Buck" data-source="post: 8754275" data-attributes="member: 591582"><p>"Correct. Are you claiming that some "break in" <strong><u>ritual </u></strong>is needed to prevent subs from breaking or are you claiming that there will be some audible difference in output and/or response after some conditions have been met? Or do you claim both? DO you claim that this is with any speakers or only with certain types/brands?" <- I had to pull that out of the quote to respond, just trying to respond here.</p><p></p><p>It's not a ritual. Stop being demeaning. It's far from a ritual. It's an educated guess. It's based on how the woofer is playing when we first hook it up, with no play time at all. While tuning the system, we test the sub across a bandwidth with just various songs, and see how the woofer plays. So we would tune at high volumes over a certain period of time in the shop. We definitely noticed some woofers low end reproduction would struggle straight out of the box. Some subs heat up a lot if you push them too hard. Most subs are fine. I want to make that clear. I'm not saying every sub needs a break in, and I'm also not saying that even DD needs a break in. I'm just saying I've heard DD 9500's literally play different after a lot of play time, and it's a significant change in volume, specifically the way the sub transitions notes, punches, stuff like that.</p><p></p><p>Heavy bass with those hard knock punches break in subs good. I've heard new subs give a few punches and become almost immediately louder. You know those punches in songs that like whack you in the face. </p><p></p><p>Now this was with protype subs and they had issues, but I was given 4 CT Sounds Strato 18 early models or prototypes. They weren't good subs, not the ones I got, but I don't think the ones I got went into production. The spiders on those subs were incredibly stiff. Waaayyyyy too stiff for the thermal limits of the coil, the amount of power they were limited to wouldn't push the cone around very well. But those subs had a break in time, absolutely. They never sounded right, but I went around the block and rode around in circles for about an hour and the system was literally about 50% louder after that hour. Now those were poor designs. But they did break in after playing them, to an extent, and they did get louder, and if you were there, you'd be lying if you said you couldn't hear it. </p><p></p><p></p><p></p><p>Some woofers will play differently after some amount of play time. Yes, I am 100% claiming that as KNOWLEDGE, because it's just really not that f*cking hard to hear, I've experienced that my entire life. I can hear it? So what? Many people do, with the situations I'm talking about. Some brands that I've noticed woofers playing differently over time, and they're usually like 1500w+ models: American Bass, SoundQubed, and Digital Designs. Basically the HD's, HDC3's, and 9500's are some of the woofers that I've noticed this with the most. I'm not saying you always have to break them in to not hurt the woofer. I am saying that in certain, very specific situations, the amount of play time on woofers can change things. I have seen woofers overheat that are brand new, because I or someone was trying to play low notes to see how the box was doing, and the subs were too stiff to travel enough under the power I was giving them. That usually doesn't happen to people, but it can.</p><p></p><p>Rule of thumb too is to play it safe. Even if a woofer shouldn't have issues, that doesn't mean you shouldn't be safe it if does. Sometimes break in is just an extra step of caution, so many woofers are made in China LOL</p></blockquote><p></p>
[QUOTE="Buck, post: 8754275, member: 591582"] "Correct. Are you claiming that some "break in" [B][U]ritual [/U][/B]is needed to prevent subs from breaking or are you claiming that there will be some audible difference in output and/or response after some conditions have been met? Or do you claim both? DO you claim that this is with any speakers or only with certain types/brands?" <- I had to pull that out of the quote to respond, just trying to respond here. It's not a ritual. Stop being demeaning. It's far from a ritual. It's an educated guess. It's based on how the woofer is playing when we first hook it up, with no play time at all. While tuning the system, we test the sub across a bandwidth with just various songs, and see how the woofer plays. So we would tune at high volumes over a certain period of time in the shop. We definitely noticed some woofers low end reproduction would struggle straight out of the box. Some subs heat up a lot if you push them too hard. Most subs are fine. I want to make that clear. I'm not saying every sub needs a break in, and I'm also not saying that even DD needs a break in. I'm just saying I've heard DD 9500's literally play different after a lot of play time, and it's a significant change in volume, specifically the way the sub transitions notes, punches, stuff like that. Heavy bass with those hard knock punches break in subs good. I've heard new subs give a few punches and become almost immediately louder. You know those punches in songs that like whack you in the face. Now this was with protype subs and they had issues, but I was given 4 CT Sounds Strato 18 early models or prototypes. They weren't good subs, not the ones I got, but I don't think the ones I got went into production. The spiders on those subs were incredibly stiff. Waaayyyyy too stiff for the thermal limits of the coil, the amount of power they were limited to wouldn't push the cone around very well. But those subs had a break in time, absolutely. They never sounded right, but I went around the block and rode around in circles for about an hour and the system was literally about 50% louder after that hour. Now those were poor designs. But they did break in after playing them, to an extent, and they did get louder, and if you were there, you'd be lying if you said you couldn't hear it. Some woofers will play differently after some amount of play time. Yes, I am 100% claiming that as KNOWLEDGE, because it's just really not that f*cking hard to hear, I've experienced that my entire life. I can hear it? So what? Many people do, with the situations I'm talking about. Some brands that I've noticed woofers playing differently over time, and they're usually like 1500w+ models: American Bass, SoundQubed, and Digital Designs. Basically the HD's, HDC3's, and 9500's are some of the woofers that I've noticed this with the most. I'm not saying you always have to break them in to not hurt the woofer. I am saying that in certain, very specific situations, the amount of play time on woofers can change things. I have seen woofers overheat that are brand new, because I or someone was trying to play low notes to see how the box was doing, and the subs were too stiff to travel enough under the power I was giving them. That usually doesn't happen to people, but it can. Rule of thumb too is to play it safe. Even if a woofer shouldn't have issues, that doesn't mean you shouldn't be safe it if does. Sometimes break in is just an extra step of caution, so many woofers are made in China LOL [/QUOTE]
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Break in period for subs
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