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Chat General Discussion About The Nissan 240SX and Nissan Z Cars |
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12-24-2008, 03:44 AM | #1 |
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well, if gsxrjordan can build me a small ported box for a good price, i would want to go that route, but i know that ported boxes usually cost quite a bit more. i guess if you can get me a ported box for 1 12" that isn't too big but still is a good fit for my sub (air space/port frequency and all that stuff), i would buy one from you but if gsxrjordan can build me one for the same price or a little bit more i would prefer a custom built one...
i think the biggest issue that i'm not sure on right now is if my amp can be used to power just one of my subs.
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12-24-2008, 04:03 AM | #2 | |
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As far as a custom box, how custom do you want to go? Depending on what car you have, I might be able to take measurements from one of mine, but for a ported box I usually charge $100, including materials (which are somewhere around $40). Takes about 2 days, depending on what you want done. PM me your car, where you want the sub/amps (maybe you want a floating amp rack or something too?), and what exact sub you have (and T/s parameters if you have them), and I'll shoot you over some ideas. I'll be taking measurements for Carlo's box and amp rack for his DD S14 this week, and hopefully making something for him next week
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12-24-2008, 03:55 PM | #3 | |
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custom boxes are hella tight man, and if you prefer one i would go with the other dood. but if you would like just a simple ported enclose the smallest one available is 1.8 cubic feet, 14"h x 17"d x 19"w. 3/4 mdf woof of course. price is 34.99 plus tax bro. |
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12-24-2008, 04:17 PM | #4 | ||
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The box I was looking at for him would be about 1.6ft^3 total, tuned to 32hz with an F3 of 69Hz (pretty flat for 2 octaves each way). Have to keep vent size down, something like 2"x5"x16.5", or 3" round port x 11" (4" would have to be 20", which might be too long, plus that adds a lot of volume). I'd make it out of 1/2" birch and treat the inside with fiberglass resin, weighs 1/2 as much as 3/4" MDF. Good price though
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12-24-2008, 05:50 PM | #5 |
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what kinda sub is he even running? i never saw hahahhahaha
but yes the box is somewhat big for a 12 but it has been pretty good for the few subs that my friends have been using it for. most ppl buy it cus its cheap and the most common sub bought out here is teh kicker cvr comp. i actually just did a full setup in my friends 04 jeep with one 12" kicker and it wastn to shabby. and yes i would prefer a custom build box over nething. then you can build it to the subs specs and all. actually thinking bout doing it for the 2 kenwoods i just ordered but not sure yet. my dad really wants to for his s13 tho. i think he wants to run two 12" rf t2's. i loved the RF 10" t1. |
12-25-2008, 12:03 PM | #6 |
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which style alpine typeR?
I was wondering what style alpine 6.5" type R's everyone is fitting in the s13 front doors? is it the latest style with the really large tweeter enclosure spr-17c
or the older styles with lower tweeters? i just want something simple to fit behind the factory door grills. i don't really want to mount external tweeters. |
12-24-2008, 04:08 AM | #7 |
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cool, i'll PM you right now.
so if i wired each voice coil to each channel on my amp, what ohm load would that be and how much power would the single 12" be getting?
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12-24-2008, 04:15 AM | #8 | |
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Or, you could wire them as an 8ohm load, and bridge both channels on the amp, and you'd get the same thing.
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12-24-2008, 10:51 AM | #9 | |
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Its funny how post your audio setup has been turned into ask GSXRJJordan lol.
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12-25-2008, 12:34 PM | #10 |
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What kind of sub enclosure is suited best with what music? I'm confused as to what kind of sound the different styles produce.
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12-25-2008, 01:01 PM | #11 | |
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the common misconception is that ported boxes are best to get loud boomy bass (hip hop type bass) and sealed boxes are for best sound quality but with the correct box built specifically for the subwoofer, any box can have great sound quality and get good and loud (depending on the woofer). bandpass enclosures are the best and the worst. if you have a subwoofer/bandpass enclosure built around each other, they can sound the best (from what i've heard). if you throw in a regular woofer into a pre-made bandpass box, it will sound like crap. I remember a guy back in the day when i used to visit clubrsx audio subforums, there was a guy on there who went by the "bass mechanic" who built his own woofer and bandpass enclosure. he had 2 8" woofers getting louder than 2 15"s. Has anyone heard of him? As far as I know, he's out of the business now.
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12-25-2008, 02:27 PM | #12 | |||
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The reason most people that know what they're doing like ported boxes is because you can tune the box for not only the speaker, but the car, and the type of response you want - ported boxes perform extremely well around their tuning frequency and about 3 octaves above, because both the speaker and the port are playing crisp bass notes. Below the tuning frequency, the speaker's power handling goes way down, so you have to be careful not to blow it. For big SPL, tune around 40-45hz, for great SQ, tune closer to 30hz. Ported boxes will always be louder, and always be more efficient (above the tuning frequency) than sealed boxes - and as long as you follow some basic build guidelines, they sound just as good or better too! Bandpass basically ports the back and front of the speaker, so you get more and more of the speaker's energy at a certain frequency converted to sound. They don't have the "snap" that sealed boxes have, and are huge (usually 2x-4x the size of a sealed box for the same woofer), which is why nobody interested in SQ builds them. They are the loudest though. Quote:
Secondly, I only want to run one amp, but most 5ch amps blow (and the 6ch version of my amp is like $2500) - my solution? Ditch the rear speakers. They don't make that much sound anyway. Then you run a sweet 4ch, and bridge the rears for your sub. Done, and done - cheaper, more efficient (less power/heat), more trunk space, and did I mention that it's cheaper?
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12-25-2008, 12:52 PM | #13 |
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HU: JVC Single din dvd player - KDAVX11
Front speakers: Rockford Forsgate Power series 6.5 Coax. Rear speakers: Alpine type S 4x6. Setup prettymuch blows. I need to amp the speakers to get the most out of them, and plan to run a single kicker 8" solobaric mounted in the side panel of the car. If I were to really spend enough money on it, I would run a Alpine PDX 5 amp, that way i will have only one amp to power everything, and I'd reaplace the type s's with something better. (I'm not going all out really, i want a bit more bass/richer sound, but dont want to comprimise weight/space.) |
12-25-2008, 03:49 PM | #14 |
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^ you seem to be giving out good advice. any advice on a speaker setup for me. currently running this setup:
Enter text here.- Pioneer Headunit DEH-690UB - Infinity 6.5" Speakers REF6022SI (Front) - Infinity 6"x9" Speakers REF9622I (Rear) Don't want to change the headunit, but I'm definitely considering upgrading the speakers.
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12-27-2008, 12:12 AM | #15 |
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hey guys i recently got the following goodies? i guess you can call it, for christmas from my folks...
Sony Dual 12" Enclosed Ported Subwoofers - Model #: SON XSL120B5D (Buy the Sony Dual 12" Enclosed Ported Subwoofers and other Car subwoofers at circuitcity.com) and Sony ZR Series 2/1-Channel Amplifier - Model #: SON XMZR1252 (Buy the Sony ZR Series 2/1-Channel Amplifier and other Car amplifiers at circuitcity.com) from CircuitCity and was just wondering if it's a bit much? a bit sucky? etc...I'm currently running a stock audio setup right now with the Clarions but I do have a Sony Xplod headunit (not sure which model) if that makes a difference. Would I need to upgrade my speakers also if I were to install all this stuff and get good quality? or can I just stick with my stock speakers? that damn woofer is insanely huge and might be a bit overkill for me but eh, I don't care much for weight reduction just as long as my ride can handle the extra 100 pounds of shit in the rear lol. thanks for any input guys |
12-27-2008, 01:59 PM | #16 | ||
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Then you can decide if you like the metal tweeter sound or swap to some beefier components up front with a silk tweeter for a more natural sound. It's all preference, but it all starts with getting those speakers some decent power. Quote:
When you're ready to upgrade, look for some good components (I've listed a bunch in this thread), a good 4ch amp, and dampen the doors and trunk. That will take the attention off the crappy subs, and then way later you can upgrade those if you want.
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01-12-2009, 11:46 PM | #17 |
Clarion 785 HU; Alpine 6.5 type X ref comps up front - tweet in the upper part of the door so i can hear. I'm old and only care about SQ since my ears are done from going loud in my younger days. I got two questions:
1. where are you guys mounting your amps? i don't have my Xtant 603 in now and plan on making something to stick in the trunk but would like to get some ideas. 2. i'm thinking of going subless and putting in some 6.5 "subs" like JL 6w0, CDTs, or TB W6-1139SI in the rear deck and run them "IB" as in no enclosure - instead of coax or something for rear fill. yeah, i know they're not real subs and don't go low like a true sub, but you guys know what i mean. opinions? been here for over 4 yrs and this is my first post . . . what the hell . . . |
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01-12-2009, 11:51 PM | #18 | ||
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01-13-2009, 09:42 AM | #19 |
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i have pioneer 6.5" 3 ways in the rear tray (coupe), kicker 6.5" 2ways in the door powered by a 400 watt rockford fosgate amp, running it through a pioneer head unit. and yes i bought the ebay speaker brackets for the front, but you could get some plastic or wood and trace the old speaker plastics to make your own.
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07-11-2009, 04:34 AM | #20 |
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In the Kouki:
Pioneer AVH-P4100DVD 7-Inch In-Dash Double-DIN Pioneer TS-D1720C 6.75-Inch Components (Fronts) Infinity Components, not sure model # (Rear) JL Audio 8W7-3 JL Audio 500/1
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07-11-2009, 04:37 AM | #21 | |
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You run your components powered off the head unit? Gross. You'll enjoy much better quality sound from your front stage if you upgrade to a discrete amp instead of using the head unit's crappy amp.
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07-11-2009, 04:41 AM | #22 |
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lol I know it could sound cleaner, but honestly, it sounds clean as fuck already...already spent too much on the tunes, more than I intended to at least....
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07-11-2009, 10:37 AM | #23 |
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Clarion VX709 dbl din Dvd source unit, Zapco Reference series 1000.4 amp, Zapco Reference series (blue) 6.5" components, Alpine 10" type R sub.
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07-11-2009, 12:00 PM | #25 |
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rockford fosgate 6.5 inch punch speakers
rockford fosgate 10 inch punch lvl 2 subwoofer rockford fosgate 325.1 amp. factory amps removed new wires run from head unit to all speakers |
07-11-2009, 12:19 PM | #26 |
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OOOOO an audio thread, i love audio threads
here's my current jank. Eclipse 55090 Crystal SSCS6 severely underpowered by planet audio pa3002 and Stereo Integrity Mag D2 in a 2cuft box tuned to 32 hz powered by my piss poor hifonics bx1205d amp, 1200 apparent RMS at 1 ohm all wired with knukonceptz wiring, 1/0 ga ftw! Couple of my old setups.... RE SX 15 in a 3.5 cuft box tuned to 35, yes this fit in my fastback first sub evar. adire shiva in a 1cuft sealed, I miss this one I'm mad that dude up here is running zapco everything then alpine piss r's . If you guys need design help with subboxes, I can design as well. I can design for free and I can build as well. you spent too much bc you bought JL.. JL is good but too expensive.
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07-11-2009, 03:00 PM | #28 | |
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With E.S.B making their speakers, I love their components. The amps are still top notch imho. Very efficient and powerfull.
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U.S Amps ARE still around. But I will say that they are not what they used to be speaking from first hand exp. It's all I had laying around as of right now and plan on a redesign over the winter. Making proper pods for the comps and a different enclosure/sub combo.
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07-11-2009, 03:22 PM | #29 | |
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I assumed you paid a bit more than that. Not bad, but you're using a 500/1 for it?
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***Proceeds to go into car audio forums I've never visited in several years***
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07-11-2009, 01:16 PM | #30 |
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^^^ Haha, this guy is someone I could talk to about audio. JL expensive? Maybe. JL good? Nope.
Zapco's not what it used to be either though.
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240sx, hatch, s13, setup, stereo |
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