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Thread: alpine, mcintosh & chopped up liquid cooled dell++

  1. #481
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    another long post:)

    hey durwood, click the link in my sig "my liquid cooled lvds screen"... a lot more info on the led's there... when I did mine the 3's & 5's were available, but I didn't think I needed them... the 5's were really expensive too, they've come down in price in the last year a bit...

    & loddie, the paranoia in me about not being able to replace them would make me consider selling the subs, since I'm just to afraid to build around them... either that, or I would only use them in an install of 1... this way I have a backup... I've been considering one of these in my honda actually, but if the offers good I'll consider selling.... pm me

    speaking of the honda... I have a new/used car, it's a 99 accord coupe.... I had it laying around for a while, got it from a customer...I was never too sure what I was going to do with it, but since the seats in my car are taking so long & I hate driving the minivan on weekends with my family in pieces, I registered my honda....

    I can't drive a car for any length of time really without planning the pc & installing it I've been zipping around in this litle honda for a few weeks & I kinda like it,so this hondas going to get a system too... nothing as elaborate as this van really...

    I'll start a thread when it's well underway, but a preview here for those that know my install to check it out....

    I'm going to go with a real simple setup... this will be my FIRST pc ONLY install... I always do hybrids with alpine heads in my cars up until now, but this one will be pc as solo headunit.... this might be a place for me to play around with all audio processing on the pc.... not too sure about processing yet though.... I do have an older alpine processor with an optical input that i could use too... my goal with this car is to spend NOTHING on it, just build it with extra stuff I have laying around really.... about the only thing I can think of that I may need to buy is power distrabution & just A LITTLE BIT OF DAMPENING material.... just a little, trunk & doors only really... only cause that much at least HAS to be done

    I'm going to keep it simple in that it'll have no cameras & multiple screens all over... just 1 indash screen.... but it's getting the same screen as my main screen in the montana... a boe hydis 12.1".... & I'm going to do the same gateway motherboard, same portrait mode setup... all 3 of my "live" hardrives from the minivan & the car will be swappable to each other & my home tablet... & I can always have a backup hardrive ready to go if the system ever acts up, so I guess it won't be so bad having only the pc as main headunit I guess... & optimising one or developing a skin for one will give me 3 times the results

    I'll put a nice relatively simple system in, I've got some amps laying around...I have a nice mcintosh 5 channel meter amp that will probably go in here... I was considering the 1 nd-15 with an aperiatic (can't spell that even close) membrane enclosure setup if I can find one for a 15... durwood, you probably know where I could look for one of those? I can't even spell it to google it..... fire it through the deck & won't loose much trunk space either... I have a bunch of other illusion audio speakers around & I'll do something simple but nice....if I can fit 8's in the doors without to much hassle I may, but I doubt it.... if not then I guess just 6 1/2's??? I don't want to do too much extra custom stuff on this car really & would rather not have to rebuild the door panels or anything that dramatic...

    this car will not, no way, take a pair of my horns, the blower motor just takes way to much space on the right side.... this is one of the main reasons I never really wanted to keep this car in the first place... it would take major work to do horns.... way more than I'd want to get into in this car... so I have to go with just normal tweeters... don't know what bothers me more, having a pc as only head or having to go with regular tweeters..... but it's just a second car to save some wear & tear on the minivan during the week back & forth to work so it doesn't have to be too crazy really I guess.......



    A FEW PICTURES:

    that crappy headunit was in the car when I got it, can't wait to rip it out....., that 12.1 is shown in the exact position it'll wind up in, relative to the bezel.... it's recessed a bit.... I have to do custom ac vents & relocate the climate control head to get it to take the 12.1" screen... it'll be simple but nice I think
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  2. #482
    FLAC
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    For a good aperiodic enclosure the subs QTC needs to be .45 -.50 or LOWER. Do your ND15's measure up? I'll give you some info on building from local parts and tuning tommorrow. Later.
    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  3. #483
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    not to sure... I had links to all the datasheets & specs, but illusion audio pulled there pages... now there coming back, but all the new stuff... I'd have to dig a bit for these answers... either way, I can't give up much space in that car at all really... I'd much prefer the better control in an aperiodic enclosure (thanks for the spelling) over a free air installation, that would be tough to pull off well... if I had to go with an enclosure it'd have to be just 1 10 maybe... this thing is tiny

  4. #484
    Car Audio Moderator durwood's Avatar
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    hey durwood, click the link in my sig "my liquid cooled lvds screen"... a lot more info on the led's there... when I did mine the 3's & 5's were available, but I didn't think I needed them... the 5's were really expensive too, they've come down in price in the last year a bit...
    Ah yes that's where I saw it. Thanks!

    I like how you just had a 99 accord just "laying around" THat's not a bad car at all and it looks like you already started hackign away.

    You could totally do a simple processor setup with and audigy card and the kx drivers. They will do everything for you but just not quite as advanced as the alpine. You should still be able to get it sounding awesome though. If you need help with the kx drivers I'll help out.

    As far as the aperiodic box, I have never designed one or seen on in action so thats new ground for me. Looks like a good way to go though. This might get you started in the right direction...

    http://www.audiogearreviews.com/tech...c_membrane.asp

  5. #485
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    This is a great guide to aperiodic enclosures:

    http://www.elitecaraudio.com/article.php?sid=18

  6. #486
    Das
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    Yea, you could always leave a honda laying around my house for ChrismaHanna Kwanzica. Since political correctness is just ******* awesome!

  7. #487
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    The aperiodic membrane design is pretty much a freeair design. You have to seal off the trunk from the passenger compartment really well, just like a free air install. The only difference is that you will enclose the back of the driver in the smallest box that it can fit in. What the membrane does is basically flatten the impedance curve to get rid of the boominess. One downside to this design is that it's not very efficient. You'll need a lot of power and cone area compared to a sealed enclosure, but it's supposed to have superior sound quality.

    Here is the link you want. He talks about building the enclosure, building the membrane and how to properly tune it based on real world experience.
    http://www.elitecaraudio.com/article.php?sid=18
    (Loddie, I totally didn't see your post or link when I typed this. It seemed to show up afterwards)

    Oh yea, for everyone else, there is a good talk about horns here as well.
    http://www.elitecaraudio.com/search.php?query=&topic=1/
    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  8. #488
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    an aperiodic membrane install is a bit similar to a free air in some ways, but then again, not really,.... the control is much higher, the response is MUCH flatter, & the dynamics are much better & you can(& have to) run much more power to them..., where a free air install can't take a lot of power really, & can be much more hit or miss...

    I have used them only once before, from usd, in a customers regal, on a pair of 12's.... a real long time ago... they are really awsome for sound quality, & while I am a big fan of sealed enclosures, an aperiodic membrane can be as good, & sometimes even better sq... BUT, this is only aplicable to certain vehicle types... I've wanted to do one for a long time... this car might be the perfect candidate...

    I could never do one in the minivan, cause it would have to be vented outside the car but in a small trunk car, it's a pretty sweet setup that has to be experienced to be really realized....

    that link you showed jason is pretty cool, but I would be a bit against using fiberglass insulation for this sub, mainly cause these subs do have one achiles heal, in that the voice coil gap is 100% open.... no felt even... & any foriegn particles in the airgap is a bad thing here.... I would rather use the foam... if I could find one prebuilt, that would be ideal... fiberglass insulation might work if I lined the inside face with a cheesecloth maybe though... I guess it's an option to consider

    to play around with tuning foam would be a bit of a *****, which is why there doing the fiberglass in that guide, it's easy to vary the transparency & airflow with fiberglass, not so easy with foam, but foam is much cleaner...

    the one I did in the past had a module included, but these 2 links you guys have shown, have refreashed me on exactly what that module did, & I can do the same thing without it, through eq & x-over.. cool

    I checked...these nd-15's have a qts of .25, meaning there ideal for this type of install... add that to the fact that there just 4" deep, & I can actually have a 15" sub in an enclosure that is only like 5.5" deep total... I like this idea... I'd be able to have a lot of bass, not just loud bass, but high quality bass with low extention & high detail.. well controlled & great transitant response & then still have an almost whole trunk... I'm not willing to give up too much space... theres not much to spare...

    paired with a pair of 8's in the doors would mean amazing bass... anyone who hear's it will expect to see a trunk full of equiptment, but then when you pop the trunk & it's mostly empty the look of shock is cool, plus, it's nice to have a trunk & a spare tire & everything.....

    one of my caddy's was like that... sitting in the car, you'd sware there has to be a huge box with at least a pair of 15's, but open the trunk & there was just 2 small 10's, one tucked in each qtr panel, & the whole trunk was still mostly empty... I like installs like that...

    I gotta do some measuring, then I'll answer your pm loddie 15's may be a bit too big for this car... I'm thinking a single 12 maybe alot better.... especially since I can't fit the horns... I'll answer you tommorow, after I measure....

    & yeah, guess having an extra car laying around may sound weird, but in my business it's not that uncommon... I do from time to time have customers who just don't want to fix there car, & sometimes I'll buy it from them, fix it & sell it...,sometimes I might get a car from an insurance company too... this one I did consider keeping, then decided not to.. I tried to dump it for a while really & no one wanted it... now that I cleaned it up & threw plates on it, everyone wants it, but it's too late... I kinda like it now

  9. #489
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    Quote Originally Posted by turbocad6 View Post
    an aperiodic membrane install is a bit similar to a free air in some ways, but then again, not really,.... the control is much higher, the response is MUCH flatter, & the dynamics are much better & you can(& have to) run much more power to them..., where a free air install can't take a lot of power really, & can be much more hit or miss.
    I was saying they are just like a free air install from a construction standpoint, not the SQ standpoint.

    I know a couple people using them. Kristen Federick and her husband put 2 18's in the back of a camaro and cut out the bottom of the rear storage well. I'll ask them what material they made the membrane from. Maybe they use foam and have a good source.

    http://www.fbodyaudio.com/cgi-bin/ya...1596847;start=

    http://www.sounddomain.com/ride/623487/6
    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  10. #490
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    wow, that's a pretty sick camaro.. I wonder what it sounds like from outside....

    I used to love 18's, but fitting them in something is pretty crazy if it's a daily driver.... that's sweet though, from a mega bass point of view anyway

    I guess I could play & experiment with different foams... I have an rta, & it's just trial & error really....

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