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Keep Blowing Subs, Advice Please
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<blockquote data-quote="Joeh312" data-source="post: 3372991" data-attributes="member: 574999"><p>Yo All,</p><p></p><p>I know my post counts low and such but I try and keep my mindless posts off the boards but with this one I'm fairly stumped.</p><p></p><p>So about 3 months ago I was cleaning out my garage and found an old, not very good, amp. The amplifier, which I don't have the current model number for because I'm too lazy to walk downstairs and look at it right now <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick out tongue :p" loading="lazy" data-shortname=":p" /> is rated somewhere in the neighborhood of 350w @ 2ohms.</p><p></p><p>So being my cheap self and not having much extra cash I decide i'll go ahead and throw it in the car (since I didn't have a substage at the time anyways) and use it for whatever. I had it installed by the same people I always have do my stereo stuff (because I'm super paranoid about my car and don't want to mess it up). I am using a well built box at about 2.5^3 ft around 32hz. First I had the amp matched with a Treo Tsi12. My understanding was I was overpowering it a bit but I figured I wouldn't have much of a problem after tuning. On my headunit I have the subwoofer with a LPF at 80hz and on my equalizer I turned the bass curve down to a -4 and used the built in subwoofer volume to a +3. Sounded wonderful for about a week and a half, everything was gravy then it got quite distorted. I immediately turned the subwoofer off from the headunit and went to inspect it. There was a noticeable smell and the cone would not push in. Immediately I figured i'd just fried the coils from overpowering it.</p><p></p><p>I went back to the shop I get most of my stuff from and the owner was kind enough to replace it immediately with no questions. 2 weeks later, same situation. I took it back once again and I was told there was a problem with the glue with the entire shipment he had gotten of Tsi12s. Afterwards he gave me an ID12 to fill in for my troubles. 2 weeks later, the ID12 blew with the same situation.</p><p></p><p>I KNOW that I was not putting enough power to the ID12 to blow, maybe the Tsi's but not the ID. I was not clipping off my headunit as I made sure to find the limit directly after firing it up after install. I don't recall listening to any type of music for a sustained period of time that reached below the tuning frequency...</p><p></p><p>So...any ideas on what could be causing my problem? I'm stuck now with a blown ID12 and a still working amp. The amp still powers up with the car and I can still turn the subwoofer on, it just sounds terrible..</p><p></p><p>Joey</p><p></p><p>Cliff notes: Old amp was found</p><p></p><p>Installed it with a Treo Tsi12, blew in 2 weeks.</p><p></p><p>Replaced immediately with another Tsi12, blown in 2 weeks.</p><p></p><p>Replaced with ID12 blown in 2 weeks.</p><p></p><p>Need input.</p></blockquote><p></p>
[QUOTE="Joeh312, post: 3372991, member: 574999"] Yo All, I know my post counts low and such but I try and keep my mindless posts off the boards but with this one I'm fairly stumped. So about 3 months ago I was cleaning out my garage and found an old, not very good, amp. The amplifier, which I don't have the current model number for because I'm too lazy to walk downstairs and look at it right now :P is rated somewhere in the neighborhood of 350w @ 2ohms. So being my cheap self and not having much extra cash I decide i'll go ahead and throw it in the car (since I didn't have a substage at the time anyways) and use it for whatever. I had it installed by the same people I always have do my stereo stuff (because I'm super paranoid about my car and don't want to mess it up). I am using a well built box at about 2.5^3 ft around 32hz. First I had the amp matched with a Treo Tsi12. My understanding was I was overpowering it a bit but I figured I wouldn't have much of a problem after tuning. On my headunit I have the subwoofer with a LPF at 80hz and on my equalizer I turned the bass curve down to a -4 and used the built in subwoofer volume to a +3. Sounded wonderful for about a week and a half, everything was gravy then it got quite distorted. I immediately turned the subwoofer off from the headunit and went to inspect it. There was a noticeable smell and the cone would not push in. Immediately I figured i'd just fried the coils from overpowering it. I went back to the shop I get most of my stuff from and the owner was kind enough to replace it immediately with no questions. 2 weeks later, same situation. I took it back once again and I was told there was a problem with the glue with the entire shipment he had gotten of Tsi12s. Afterwards he gave me an ID12 to fill in for my troubles. 2 weeks later, the ID12 blew with the same situation. I KNOW that I was not putting enough power to the ID12 to blow, maybe the Tsi's but not the ID. I was not clipping off my headunit as I made sure to find the limit directly after firing it up after install. I don't recall listening to any type of music for a sustained period of time that reached below the tuning frequency... So...any ideas on what could be causing my problem? I'm stuck now with a blown ID12 and a still working amp. The amp still powers up with the car and I can still turn the subwoofer on, it just sounds terrible.. Joey Cliff notes: Old amp was found Installed it with a Treo Tsi12, blew in 2 weeks. Replaced immediately with another Tsi12, blown in 2 weeks. Replaced with ID12 blown in 2 weeks. Need input. [/QUOTE]
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