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  1. #1
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    Default just pulled a triger on a pair of FaitalPRO 18FH500 18"

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    http://www.parts-express.com/pe/show...umber=294-1300

    going with these for the bass section of my line arrays. Filtering via MiniDSP and the amp hasn't been decided on but with their high efficiency, shouldn't be an issue. I will post all measured data on the all tho far field measurements are not expected. My measurement baffle takes up to 12" drivers.

  2. #2
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Are you planning sealed with some boost or are you going bass reflex?

    Those should do a great job and look to be a good value compared to the other Italian made 18" pro sub/woofer offerings. What is the rest of the line array? I've always liked the idea of line arrays for their dynamics and for the more direct pseudo-nearfield presentation.

  3. #3
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by r-carpenter View Post
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    http://www.parts-express.com/pe/show...umber=294-1300

    going with these for the bass section of my line arrays. Filtering via MiniDSP and the amp hasn't been decided on but with their high efficiency, shouldn't be an issue. I will post all measured data on the all tho far field measurements are not expected. My measurement baffle takes up to 12" drivers.
    Wow, those are going to need a HUGE vented box if you really want to use them as a subwoofer. Did you notice that Vas is 12 cubic feet? With Fs around 30Hz, you can't afford to put these in a box that is relatively small unless you apply a serious amount of LF boost using an LT. That would have to be very carefully done using the MiniDSP by the way.

    If you indeed can put them in a rather large vented box, then these will be great. Get creative...
    Charlie's Audio Pages: http://audio.claub.net

  4. #4
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by lorenmjones View Post
    Are you planning sealed with some boost or are you going bass reflex?

    Those should do a great job and look to be a good value compared to the other Italian made 18" pro sub/woofer offerings. What is the rest of the line array? I've always liked the idea of line arrays for their dynamics and for the more direct pseudo-nearfield presentation.
    The arrays are Fountek/Jordan that are towering on the background of a few pictures on the DIY-NY site (check the link and scroll to the annual competition photos)
    I'd like to go with the ported design for these but let's see what the actual motors are. There isn't much information on the use of these drivers so a set of measurements will go a long way. I'll be posting info as the build starts. Who knows, may be they are terrible and I'll be sending them back.

    Quote Originally Posted by charlielaub View Post
    Wow, those are going to need a HUGE vented box if you really want to use them as a subwoofer. Did you notice that Vas is 12 cubic feet? With Fs around 30Hz, you can't afford to put these in a box that is relatively small unless you apply a serious amount of LF boost using an LT. That would have to be very carefully done using the MiniDSP by the way.

    If you indeed can put them in a rather large vented box, then these will be great. Get creative...
    Large box is not and issue , Charlie. I was thinking 6ft^3 to 8ft^3 but again, we'll see what the actual motor will show. I never really like to start the build based only on manufacturer's specified data. At this point we don't even know what the distortions of the driver are, how low it can be pushed realistically.

    In addition, I am not looking to get ultra low bass out of this. Large pro parer woofers always mesmerized me with the life like reproduction of the low end. Every time I tried to use a dedicated sub-woofer driver like Dayton RS or Peerless XXLS or even higher performance Scans, I ended up somewhat disappointed.
    The woofers in the array (Jordan jx-92) are reaching in to 100hz in a sealed alignment before they start rolling off, so the Faitals will probably run 100hz and below but I'll have to look at actual slopes.

  5. #5
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by charlielaub View Post
    Wow, those are going to need a HUGE vented box if you really want to use them as a subwoofer. Did you notice that Vas is 12 cubic feet? With Fs around 30Hz, you can't afford to put these in a box that is relatively small unless you apply a serious amount of LF boost using an LT. That would have to be very carefully done using the MiniDSP by the way.

    If you indeed can put them in a rather large vented box, then these will be great. Get creative...
    He is going to use a really lossy room

    Roman these going to be ready for december?

  6. #6
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"


  7. #7
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by mzisserson View Post
    He is going to use a really lossy room

    Roman these going to be ready for december?
    Definitely! I'll be starting the work next week.

    Quote Originally Posted by kenny_k View Post
    yaeaaahhh something something. Probably two 6" ports.

  8. #8
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by r-carpenter View Post
    Definitely! I'll be starting the work next week.



    yaeaaahhh something something. Probably two 6" ports.
    Between 6 and 8 cubic feet is just about right for that beast. Mid 30s cutoff and 117dB at 30Hz with rated power and excursion using a 33Hz tune and 7 cubic feet.

    Nothing quite like big paper woofer bass!!!

  9. #9
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    [QUOTE=Pete Schumacher ;

    Nothing quite like big paper woofer bass!!![/QUOTE]

    +1

  10. #10
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Wow, I am jealous Roman! Awesome stuff.

    Now is the time to come to the OB dark side.........

  11. #11
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by tc View Post
    Wow, I am jealous Roman! Awesome stuff.

    Now is the time to come to the OB dark side.........
    not with this particular woofer. AE has a dedicated OB 18". .9Qts and large x-max

  12. #12
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

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    Drivers came in today. Packed well and no damages.
    First surprise. They are very lite weight. Each driver weight around as much as a 10" woofer.
    Second surprise. TS are spot on to the published. I am so use to have drivers not been anywhere near the TS of the manufacturer that I rechecked both woofers a couple of times. Qts .35 and FS at 29.9hz. I cannot believe it. Well, alright, I'll take it.
    Quick measurements showed that even a frequency response matches manufacturer's fairly well.
    I will post acoustic data on these in a couple of days. Need to situate them in the box of fiberglass for cleaner distortion readings. As a teas of the day, I will say that they are very good /excellent to 500hz.

  13. #13
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Mount them backwards, those are awesome looking baskets.

    If only if only.

  14. #14
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Hard to see from the pictures, but it looks like there isn't any under spider venting?

  15. #15
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by johnnyrichards View Post
    Hard to see from the pictures, but it looks like there isn't any under spider venting?
    no, there's no spider venting. The motor is neodymium slug. I am not intimately familiar with this type of magnet/motor structure. May be pro guys can chime in and shed some light on the specifics.

    actually, scratch that. There's venting but it's behind the sleeve that seats around the magnet. I'll have to flip the driver upside down to take a meaningful picture.
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  16. #16
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

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    time for a few sweeps. Mic sees around 115db and the distortions are measured at 3V.
    The FR SPL is not calibrated.
    Not going to post TS for this driver because it's so close to factory specs.
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    Frequency response for this driver is listed as 30hz to 3100hz. While I completely agree with 30hz, upper limit is a bit questionable. Cone breaks up after 1500hz. It's not a horrid "run out of the room" sounding break up but it's there and not exactly pleasant. My intended use for this driver would be 30hz to 150-200hz something.
    The distortion numbers are very good but below 30hz, hell breaks loose. So,no boosting, it's just a large woofer.

  17. #17
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    they look nice will you use them up to 350 or so?
    " And it's not just the end result -- nice speakers or a cool amp -- but the creative process that adds richness to my life; and an artistic outlet. A cool looking speaker qualifies as art in my book."
    Tom Zarbo, January 2014

    http://www.midwestaudioclub.com/spot...owell-simpson/

    http://s413.photobucket.com/albums/pp216/arlis/

  18. #18
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Did you break them in at all prior to measuring? They look REALLY good.

  19. #19
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Those look really nice and the measurements look good to me. It would be nice to compare HD at similar levels to a 7" hifi woofer that also can do 30 hz. Dayton reference, usher, scan? To me that good distortion performance in the LF area is why I love my 15" B&C woofers in my 3 ways.

  20. #20
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    Default Re: just pulled a triger on a pair of FaitalPRO 18FH500 18"

    Quote Originally Posted by lorenmjones View Post
    Those look really nice and the measurements look good to me. It would be nice to compare HD at similar levels to a 7" hifi woofer that also can do 30 hz. Dayton reference, usher, scan? To me that good distortion performance in the LF area is why I love my 15" B&C woofers in my 3 ways.
    Apples and oranges in terms of displacement capability. Even if you gain the bragging right it performs like a 7" HIFI woofer, I am unsure that's a good thing. That's like saying a Dodge Charger R/T can go 0-60 the same as a Porche Carrera... It may, I don't know... But what happens as soon as that first curve comes and you need to use all they systems of the machine in unison...

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