What puts out more SPL than a 12 se xxx????

[sampson 10+ year member]

No problem man wil go by inches then, but I'm curious is there any quick method to determine the tuning on a fiberglass box. I'm going to have to go with a round port and figure I'll just get a really close guess on inside box diameter, then go from there with winisd, but was wondering if there was any tricks or facts to remember. So what your saying is by cutting the port down smaller it is going to raise the tuning from say 32 to 45, then up from there every inch I take off. Or is it going to decrease it to 28... then 20 etc.. I'd DL that program (and thanks for the link) but I'm at college right now and can't. Thanks for your posts man-Sampson

 

[BDIDDY 10+ year member]

Could 2 15" Type R's handle 600 each? Are they any sort of a SQL woofer?...Any opinions would help....

I have been out of this a while and didnt know that the Type R was actually coming back into being a popular sub...

Thanks for the help...

 

[audioholic 5,000+ posts]

No problem man wil go by inches then, but I'm curious is there any quick method to determine the tuning on a fiberglass box. I'm going to have to go with a round port and figure I'll just get a really close guess on inside box diameter, then go from there with winisd, but was wondering if there was any tricks or facts to remember. So what your saying is by cutting the port down smaller it is going to raise the tuning from say 32 to 45, then up from there every inch I take off. Or is it going to decrease it to 28... then 20 etc.. I'd DL that program (and thanks for the link) but I'm at college right now and can't. Thanks for your posts man-Sampson

The shorter you cut the port, the higher it will raise the tuning freq (35 to 40, 40 to 45, etc).

For tuning a fiberglass enclosure, the hardest part is determining the inner volume, since its usually an odd shape (hence using fiberglass). If I were you, I would simpoly use something like styrofoam popcorn to fill the enclosure, then transfer that popcorn to a known sized space to measure it (like a 5gallon bucket etc). Once you determine the enclosure's inner volume (minus the space the sub will take up), its a simple matter of knowing the port area you are going with. Then a program like WinISD will be able to give you the proper length for a specific tuning frequency, given that enclosure volume and port area.

DL WinISD as soon as you can (its free). Its an invaluable tool for the DIY box builder.

 

[Raven 10+ year member]

Could 2 15" Type R's handle 600 each? Are they any sort of a SQL woofer?...Any opinions would help....

I have been out of this a while and didnt know that the Type R was actually coming back into being a popular sub...

Thanks for the help...

You actually missed out on their peak popularity. Team Phat Hertz was pimping them like nobody's business. They are good subs. Just noone cared for a certain group of individuals who claimed that they are capable of more than what you'll ever get out of one in real life.

Definitely more SPL oriented than SQ. They'll take oodles of power, as long as it's clean. I've heard of single Type Rs takine 1500 daily, and I've heard of them blowing under their normal 500 RMS. It's all in the install. 600 works well, just don't clip it.

 

[SBLAZER]

no one claimed anything bird. anyone can do it, if they have the time and really wanna get loud, even u. its a real life thing. the has spl and it still can sound awesome. peeps that blow em wit 500w are becuz of stupidity. its an great sub and u'll be fine. get more power if ya can

 

[jellyfish420 10+ year member]

The shorter you cut the port, the higher it will raise the tuning freq (35 to 40, 40 to 45, etc).

cutting away the port ALSO adds to the internal volume of the box, effectively lowering tuning. so depending on the width of your port, you could cut off a couple inches and still be at the same tuning. you need to calculate it and not just guess.

 

[audioholic 5,000+ posts]

cutting away the port ALSO adds to the internal volume of the box, effectively lowering tuning. so depending on the width of your port, you could cut off a couple inches and still be at the same tuning. you need to calculate it and not just guess.

While I agree its best not to guess, you would need to have a very small enclosure with a very large port area for it to raise tuning when you cut the port length. IMO I basically dont see this ever being a problem. If it were, in theory the more he cuts, the lower the tuning will go, and we know that just wont happen. Clearly removing half the port length (for example) would drastically raise tuning, not lower it (eventhough enclosure volume is now larger). So logic tells us that if you remove half the port and tuning raises (which it will I guarantee) than removing a smaller amount will also raise tuning, but by a lesser amount. Removing the first inch from your port's length should not change it any more or less than the 10th inch you cut off.

 

[Raven 10+ year member]

no one claimed anything bird. anyone can do it, if they have the time and really wanna get loud, even u. its a real life thing. the has spl and it still can sound awesome. peeps that blow em wit 500w are becuz of stupidity. its an great sub and u'll be fine. get more power if ya can

Think of it this way. You have enough money into deadener to buy my whole car; I have $12 to last me til my next paycheck, where that's all going to pay off college. Your team talks about making CNC machined enclosures; I have a 40 year old table saw that may or may not be square, depending on the day. You probably don't have to borrow your brothers truck to make the hour long trip to the nearest place to buy MDF because you can't fit even a cut sheet in your vehicle. Your setup probably doesn't consist of almost entirely used equipment. You probably don't have a mere 5 hours a week to devote to building boxes and tuning your setup. //content.invisioncic.com/y282845/emoticons/eyebrow.gif.fe2c18d8720fe8c7eaed347b21ea05a5.gif

What I'm getting at is that how you define "real life" relates to how right I am. Yeah, you can get 150 out of a Type R. You can get them to sound good. You also have far more time, money, experience, and resources (*cough* CNC machine *cough*) at your disposal. Anyone who's real life sounds more like mine isn't going to have near the same results.

 

[audioholic 5,000+ posts]

SBLAZER is of the mind the Alpine Type R is the best sub available, bar none, for just about every application. Yours isn't the first post he's claimed its just about the best sounding and loudest daily sub available, and Im sure it wont be the last. We all have our favorites I guess, just some of us are more outspoken and pushy with ours than other people are. *shrug*

Raven, its people like you with an attitude like yours that help keep this hobby great. You are working your *** off and scraping by finanacially, yet still find the time money and effort to build your own system. I have alot more respect for setups/people like that, like you, than someone who pays a shop $10k to install a setup in their new bling'd out hummer H2 or some rich kid who can afford to sit around building boxes all day long because they dont have to work.

 

[SBLAZER]

i work at my setup also, my subs are used, well couple of them but i have school and work 2 support my hobby, i barely have enuff gas 2 make it 2 either. i respect wha u sayin, but i work at mine and juss like u do. i take pride into wha i do, becuz i worked at it and spent MY money on it. its an $$$$ hobby, but some are luckier than others and have it easier, i kno my 1st setup i paid like 5k for it, but i was new and now i take that 5k and bank it. u juss learn over time. a mistake i will neva make again.

 

[sampson 10+ year member]

LOL Raven your a pimp man, mainly b/c your situation is almost identical to mine //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif... you know how many times you have to cut a 48X96 sheet of mdf to get it to fit into a hatchback celica ... I do //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif. Yeah I got college all the time, work on top of that, have to leave for it in abut an hour actually, and then a girlfriend with a wife on the side:naughty: (not really just sounded good). Yeah I have never bought anything new, from anywhere car stereo wise. Box building with a 40 year old table saw, yeah that about sums it up for me. lol.

audioholic, I really appreciate your posts man, they help a lot, my box is not soo small that reducing port length will lower frequency as you said, and I'm going to DL that program after I finish this. Thanks again.

Sblazer thanks for the posts man, if you can afford to spend more on a system then I can on my car, system and computer then yeah you should be saving that, lol, glad you learned lol. I'll let you guys know on Thursday how it affects sound. Thanks a lot-Sampson

 

[audioholic 5,000+ posts]

Glad to help sampson. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif Let us know how it goes.

 

[mixtape_kid 10+ year member]

just add another and call it a day

 

[TeamPSI 10+ year member]

j/w ....

Where were all the Type-R's at dB Drag Finals? //content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif

 

[Randy Savage 5,000+ posts]

j/w ....
Where were all the Type-R's at dB Drag Finals? //content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif

Up your butt?