10's or 8's...worried about low end.

[RedStangHappy 10+ year member]

Oh my god you fucking ignorant tool, FS IS NOT HOW LOW THE SPEAKER CAN PLAY... I give up. There is no hope for you. You refuse to listen to actual fact and intelligent explanations of how your logic is flawed. You have to be related to cockjones

I knew you were gonna reply, with the m ost innane and sTUPID thing you could come up with. Idiots and forums come dime a dozen and your opinion is worth a dollar twenty.

That is who I was replying too.

 

[casper97ta 10+ year member]

That is who I was replying too.

And he was trying to tell you that you have no idea what the specs of a speaker mean and therefore everything you're saying is completely wrong. If you would take the time to read and listen to some of this you might learn a thing or 2.

 

[RAM_Designs 5,000+ posts]

why run 10 8's at 5000 watts instead of like 2 15's at 2000 watts? if it would give the same performance

I can run the 10 8's in less amount of space, and have a system that's unique and not cookie cutter like 95% of them out there.

 

[RAM_Designs 5,000+ posts]

an 8 can't play as low as a 15, but guess what? 

an 8 can't play as high as a 15 either...

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[cotjones 10+ year member]

Jesus Cot....did you skip over words? I said that like twenty times. I also said I know it SHOULD be possible like three pages ago, I just haven't seen it.

you want to see it?

i'll tell you how to see it...

i'm assuming you have some kind of sub...

download limewire and then download a program called cooledit pro...

in this program you can generate a 20 hz tone, (while you are here generate a 5 hz tone too, and any others you want to hear) !!!make sure you generate the tone at 0dB!!!

now burn it to a disc and stick it in your cd player, start at minimum volume (unless you want to blow the cones out of your speakers)

and you will see your sub move 5 times a second at 5 hz even 2 times a second at 2 hz... there is no magic restrictor plate on a sub which makes it impossible to play a certain frequency...

the responce graph of a speaker is a curve or a hill, not a cliff, it doesn't go from playing 27hz at 100 dB's to 25 hz at 2dB

 

[RedStangHappy 10+ year member]

And he was trying to tell you that you have no idea what the specs of a speaker mean and therefore everything you're saying is completely wrong. If you would take the time to read and listen to some of this you might learn a thing or 2.

Once again you show up to the party uninvited. I say again, I didn't flame anyone for their opinion, ever. And I certainly never said I wasn't open to facts. My statement only involved my personal experience. So you who have far more in car audio, do know more. So I asked which one has done it. Not which one could, or if it's possible. I've had two people try to show me facts. And you with words you can't really know. Like what everything I'm saying is wrong. So with four 10" subs and four 8" subs eights win everytime in your book, dude. I'm learning alright, learning not to listen to you.

 

[cotjones 10+ year member]

//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif

i ment that a 15 plays louder than an 8 (generally speaking) all around

because of the greater surface area there is also a greater comand of lower frequencies in general making the larger Sd system sound much more powerfull...

in other words, domination of the lows determins how powerful a system feels or sounds...

IE tweeters don't shake the ground

 

[casper97ta 10+ year member]

Once again you show up to the party uninvited. I say again, I didn't flame anyone for their opinion, ever. And I certainly never said I wasn't open to facts. My statement only involved my personal experience. So you who have far more in car audio, do know more. So I asked which one has done it. Not which one could, or if it's possible. I've had two people try to show me facts. And you with words you can't really know. Like what everything I'm saying is wrong. So with four 10" subs and four 8" subs eights win everytime in your book, dude. I'm learning alright, learning not to listen to you.

Works for me bud. This from the guy with 17 posts. I tried to explain the reason you dont have to see a sub doing it to know almost any sub will. Like someone else said its common sense if you know anything about speaker design at all. Even if you dont, you could try to listen to some people and learn. But instead you decide to be an ignorant asshat. You have a bright future here at CA.com. I'm done, you're hopeless. Good luck.

 

[bdawson72 5,000+ posts]

How is this still going?

 

[James Bang 5,000+ posts]

lol this thread ought to be locked or deleted.

it's just people saying the same shit and people asking the same shit

 

[cotjones 10+ year member]

How is this still going?

it just is....

my god you knoe wat annoys me more than many things?

people who come on a thread and type "hows this still going?"

thats a juicy morsel of knowledge there... gaaaa thats the most pointless and common post in this entire forum...

no offence but i get annoyed about things like that...

like when i worked with OCC every drunk redneck race fan that came by thought he was a ****in comedian cause he could say "WHERE"S MIKEY?"

 

[SQBubble 10+ year member]

plz someone close this thread...//content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif

 

[Immacomputer 10+ year member]

Once again you show up to the party uninvited. I say again, I didn't flame anyone for their opinion, ever.

I'm sorry, but opinions are not welcome when there are facts. The facts are that you have experience with drivers in an enclosure not suited for the drivers to perform well at low frequencies.

Every driver has a different design and purpose. Each driver performs differently in different types of enclosures with a different frequency response in each. This is what decides the low end extension. Most people don't strive to have decent output around 20hz in a car environment as most musical content exists above this. So then why would manufactures design 8" drivers to play that low when most people aren't looking for output that low? That is why you have probably only had experience with 8"s not playing as low. The installation is just as much of a factor as well. Most people cram 8s into a small enclosure because they want to save space, which is why they bought 8s. Well, there goes any chance of low end.

Also, Fs or the manufacturer's frequency response spec of the driver changes depending on the enclosure and is NOT a way to determine low end extension. That Dayton HF 8" I linked could easily drop with a flat response to 20hz in about 2.75 cubic feet tuned around 18hz or in a transmission line. I know of many 12 and 15" subs that couldn't get that low, even in similar enclosures due to their design.

You keep speaking about distortion yet I don't believe you really know what that is. Most drivers exhibit 10% distortion or more in creating the audio signal... kind of makes that .01% THD on amps seem pretty insignificant. What you're describing is probably over excursion due to a number of things but this can be done at many frequencies and they will all sound terrible.

 

[audioholic 5,000+ posts]

why run 10 8's at 5000 watts instead of like 2 15's at 2000 watts? if it would give the same performance

Do you really believe your own drivel? Lets break down your 'example' shall we?
Assuming same excursion performance (lets not stack the deck), the ten 8's would have approx 30% more displacement potential then the two 15's. Ooops?

If you want to play the game of comparing unlike model drivers, so as to claim the 15's have more excursion potential (a cop-out btw), then you are ignoring silly little things like speaker efficiency (while comparing outputs, can you make a more elementary mistake if you tried?) and speaker Fs (something I thought we already schooled you on).

Lastly, for those who actually are interested in knowing, you could build a subwoofer system that would be capable of reproducing a 20hz note, while utilizing a 3.5" speaker. How do I know? Because it was my first project to complete when I entered Installer Institute... uhm... 15 years ago. And now here I have kids, not much older than 15 years, trying to tell me they know more about what speakers can or cannot do, based upon their preconceived notioned of speaker cone diameters. Forgive me if I laugh.

Would the 3.5" sub system have as much output as a 18" BTL off 10,000 watts? Uhm, no. But it certainly proves the point that cone diameter only plays so much of a role in useable frequency response, when dealing with subsonic freqs.

Its amazing how complicated some of you guys want to make such a simple topic. You over complicate it to the point even you yourselves fail to follow your own twisted logic paths. What an awesome thread this has turned out to be. //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif

 

[JL boy3]

i have 2 JL 10w1v2 at 4 OHM in a sealed fiberglass box and there louder than the 2 12's i used to have and im only runnin 125 watts to them.