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Everything posted by KU40
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What's that? A new monster sub?
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Audiobahn A1500HCT
KU40 replied to anarchyaudio's topic in Amplifiers / Head Units / Processors / Electrical
chances are about 50% that it'll blow within a year. It used to be about every other day that I'd hear of somebody smoking an AB amp. I don't pay attention to them anymore. -
that box won't require polyfill. I had that sub in 3.8 cubes in my car and it sounded outstanding. You can try it, but you wouldn't need it to make the box seem larger is my point. I don't think it has any affect on power handling since it's the airspace inside the box that acts as the "spring" to control the cone. The polyfill just acts on the sound waves after they've already been produced by the sub.
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How do you tune your headunit?
KU40 replied to saltonasnail's topic in Amplifiers / Head Units / Processors / Electrical
tune it to what you think sounds good. What does he mean the headunit's crossovers are usually set in the wrong place? If the headunit has crossovers, you can adjust them. So I don't know how they can be set wrong if you set them? -
You have to take those stories with a grain of salt. Unless they clamp the amp, there is no way to tell what the amp is actually putting out. They could put a 5000 watt amp on a sub, but you have NO idea what power is actually going to the sub just by looking and listening. There may only be 1000 watts going to it, but people think it handles so much more because of the amp's size and they figure they're using all of it. I'm not questioning either brand or their ability to handle power. But many times the power handling is actually limited by the box, not the actual coil on the sub.
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You won't hear that extra couple hundred watts when you're already around 2000. Plus if you build your enclosure a little larger you can still hit the mechanical limits of the sub with a lower powered amplifier.
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that amp is definitely not crap. I have it's little brother, the 500 watter, and it's great.
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my head keeps bobbin as I'm going through threads on here. haha. man I need to go to sleep.
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your head unit will have two power leads, one that's on all the time, even when the car is off, to save settings and things. The other is only powered when the vehicle is turned on. You can tap that second one for a remote if you want. A switch is ok, but can be a pain. and what if you forget to turn if off one night?
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How many more dbs using internal bracing?
KU40 replied to rodolfo28's topic in Subwoofers / Speakers
To answer the question, it's impossible to tell whether you'll gain anything from bracing. Every box is different as to its needs for bracing and whether or not the meter will tell a difference. Bracing never hurts, though. -
I was thinking the same thing. Usually people build sealed boxes or really low tuned boxes (like 15-20 hz).
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heh, I was just outside and thought "holy crap, it's freakin' cold" .... 51* x2 52
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There's a guy in my hometown that's owned like 3-4 business in the last 20 years, and they've all burnt down. When he opened a new place a couple years ago we joked about making a pool for how long this one would survive before it burns. I don't think it has yet, but it may have also closed already.
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if the fuzzy sound is on all of the speakers, it's most likely not their fault. Check the grounds and RCAs.
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tuning to 15-20 hz in a vehicle isn't overly practical, especially with the small space you have since a tune that low will require a long port which displaces a lot. also, tuning that low is hardly any different than just running sealed. You won't automatically blow your sub if you don't have a subsonic filter on a ported box. There aren't very many songs that have sub-30 hz bass notes that would be below your tuning. You just have to realize when there are so that you can turn it down a tad and avoid overexcursion. I went without a SSF on my ported box for about 5 years with no problems. You just have to be smart about it. With that said, it depends on what your definition of "deeper" is. Since most music doesn't get lower than 30 hz, as I mentioned, and a ported box usually exaggerates the 30-40 hz range, a ported box is often seen to sound "deeper." But if you actually want to play 15 hz notes, go sealed. Below 25 hz or so the sealed box will be louder. Hmm, feel like I've written this a time or two today.
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what causes such things?
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false. smaller drivers play no "faster" than larger ones. IMO, it really depends on the kind of sound you want. The ported 12 may get a tad louder and the low stuff from 30-40 hz will be increased from the sealed 15. But the sealed 15 will have a more even frequency response and will be able to play louder from around 25 hz and down.
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time for pancakes and eggs, my weekend tradition.
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of course, 2 minutes after I get out there to put the new amp in the cold front comes through. Dropped from 58 to 40 in about 12 seconds. Luckily it was a fast install. and I have bass again, so I'm happy
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wow it's 58 degrees outside right now. at 9am! with like 89 mph winds. But a cold front is just about to move through and make the temp like 30 degrees by late this afternoon with possible freezing rain. I better go put my other amp in real fast before that happens.
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I'm most familiar with partsexpress.com.
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How much? shoot, I don't know. Maybe $20 plus shipping each? Not really sure how much blown amps go for. But to me they're pretty much paperweights right now.
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IMO, Wii is overhyped and not really that awesome after the initial bit wears off. Not that the Xbox is much better.