Everything posted by KU40
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12 vs. 15 Fi Q
They have the same power handling. A larger cone does not increase this. The 15 should be able to go a touch lower but otherwise they should sound about the same.
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Best speakers under 300
I like my JL XRs for the most part.
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how much power to a REX 12D4
yes the red line would be your port length. I try not to have too many bends if possible as it adds a touch of delay. You won't need 40 sq. inches for that sub, but I suppose it wouldn't hurt anything. I assume you just did this to make the port longer, and thus eating up more net volume? If so, I'd recommend just building a new box. That way at least you save some space in your trunk. Or maybe even just cut down one side of your current box to make it less wide or something.
- Welcome to the IHoP
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Welcome to the IHoP
Everybody seems to like my LG.
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How bad is your hearing loss?
I could hear them all
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AQ2200
No, and it will be fine.
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how much power to a REX 12D4
A sub in a larger box won't be able to handle as much power. So just remember that. The 2.4 @ 28 box will give you a much larger boost in probably the 25-40 hz range. If you want those kind of lows, go for that. That box will also have a more even frequency response. If you want output, though, don't tune so low. Tune to 35 or so.
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Auto Sound System Amplifier
Yeah really, wtf.
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same gain setting from 4 ohms to 2
If it is too much for the sub, turn the gain down. Simple.
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Loaded BL or BTL
What amplifier? Either way, the BTLs will be louder and have less chance of blowing.
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Signal Delay?
I would strap two amps together. Then you can just split the signal and send it to each of the two pairs of strapped amps.
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Newbie looking to gain knowledge from all of you
Hello
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Welcome to the IHoP
Meeting the sister-in-law for breakfast this morning and getting a dining room table and chairs from her. Now I won't have to eat in my chair all the time anymore. Although who am I kidding, I probably still will all the time.
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Welcome to the IHoP
I don't know how one of my fish survived the night. He's been doing whirly-twirlies in the tank since yesterday morning. I knew it was coming, he hasn't eaten in like 3 weeks. I'm surprised he lasted this long.
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same gain setting from 4 ohms to 2
You shouldn't have to mess with the gain. The gain is used to match the incoming signal voltage from the head unit, which won't be changing.
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Problem with head unit
Sounds like a bad connection with either the power or ground. Try running all new power and ground to the battery to see if it helps. You can just run the wires outside of the car to see if it helps, don't have to break your back threading it through the dash at first.
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the loud button on head unit
Don't use it. Ever.
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TRUNKED CAR PORT POSITION
Generally you load the mic side with the sub. Meaning since they generally put the mic on the passenger side, you want the port to be on the driver's side.
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dual 4ohm or single 4ohm?
SQ or bass? What does that even mean? Do SQ-oriented subs not play bass?
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rainbow audio
The prices should tell you what's low line and what's high end for them. Find somebody that sells them and check it out.
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JL 1000/1 cutting off! please help
Switch up to 0 gauge wire and put the extra battery back in. IIRC, that amp has a regulated power supply. So it will put out the same power regardless of input voltage because it will just draw more current to make up the difference. This differs from an unregulated power supply, which will just put out less power with lower voltage. So when your voltage dipped because the amp was outdrawing capacity, it tried drawing even more current so that it would keep that output power up. That's why your fuse blew. You need to keep your voltage high so that it doesn't have to draw so much current. Plus as more voltage goes through a wire, the more it heats up and becomes inefficient, thus further reducing voltage once it gets to the amp. The extra current also heats up the amplifier faster. So that's probably why it kept tripping thermal. Each time you do that, it likely shortens the life of the amplifier. You may also want to check the resistance of the sub's coils. One may be partially or all the way blown, thus reducing impedance for the amp and causing it problems as well. So when you go to walmart, get a DMM instead of just a voltmeter.
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Welcome to the IHoP
Hmm oh yeah I just read the back of the bill. Explains each charge. I figured I knew what they all meant, like fuel is the coal, not gas to deliver the electricity to my house obviously, but I felt like a rant.
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Welcome to the IHoP
Man this electricity bill is shit. I'm not complaining about the overall price, it is only $28.22. But the fact that I only used $9.71 worth of electricity is the stupid part. Then I have a customer charge, fuel charge (wtf? Are they driving my electricity to my house?), transmission charge, environmental charge, franchise fee, and an oh-what-the-heck "service charge." Plus sales tax obviously.