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-   -   help on full range drivers .. need to buy quick! (http://www.diyaudio.com/forums/full-range/86732-help-full-range-drivers-need-buy-quick.html)

JinMTVT 18th September 2006 07:56 PM

help on full range drivers .. need to buy quick!
 
hi all!
i posted my questions on the loudspeakers section,
but i believe that this little project will end up beeing a full range one ...

I need to find quick ( this week ) drivers for a small project, for a friend

he will be using this setup for home theater and gaming

priorities are :

- look ( unfortunatly )
- efficiency ( 75~W amp )
- will be used on a baffle on the wall
with a closet beeing the back ( closed by a door)

I wanted to use 3 to 4 drivers per side
for both looks and sensitivity ( he is almost deaf up to me :p )


Need to be available in canada or usa ( with quick shipping )

total driver price budget is 500$ CAD ~a pprox

please advise as i do not have any experience at all with full range drivers

also, a powered sub will be used for 80hz and lower frequency fill up



Most important spectrum part is voice and mid bass


thanks much!

JinMTVT 18th September 2006 08:23 PM

was already suggested to look at :

FR125S from creativesound.ca
wich has a nice look , the price is also good
but i can't find any info on it

seas coaxial drivers
top quality probably, but expensive and no looks at all

Scottmoose 18th September 2006 09:58 PM

http://www.planet10-hifi.com/css.html

Nice drivers, but beware using more than 1 FR unit on the same baffle or you'll get savage comb-filtering and major attenuation of the HF.

JinMTVT 18th September 2006 10:20 PM

what about the FOSTEX ?
i thought that the fostex were the hot full range drivers!!

solen.ca has a lot of the fostex driver ..
the look of them isn't woa ..but i could manage with that
if i take into account the 90db+ effeciency!


i will have to do with the comb and HF attenuation
i have seriously limited space, and it needs to be IN the wall
and then it needs to be quite loud in that big room ..neway

looking at the shiva+amp kit for the sub on CSS :)

ScottG 18th September 2006 10:52 PM

You could always go for a 5 driver bessel array to obtain an even polar response. (..google "bessel array" for more info.)

IF you can do without much effiencey, but DO have more power to use then consider this driver in a 5 driver bessel array:

Aurasound NS3-193-8A

http://www.madisound.com/cgi-bin/ind...29126&pid=2038

Tested by member Zaph here:

http://www.zaphaudio.com/minitest/all.html

Alternativly (much more eff.), perhaps 4-5 fostex ff125K in a line array. Its rising response will help counter the rising midrange that the array will have. NOTE however that it will still suffer from comb filtering, but that shouldn't start getting "bad" until about 8 kHz or more.

http://www.madisound.com/cgi-bin/ind...0.6137&pid=333

v-bro 19th September 2006 12:01 AM

What is the content of the closet?
And is it fully closed or (slightly) vented.
May be a better idea to go with filtering a few of the speakers to overcome the comb-filtering effect. (filter 3 above aprox.500hz and 1 fullrange...)
Why several small speakers, it will be louder maybe, but one big one with 1 small one will probably sound better, be just as or more efficient and cheaper to fit in a large closet.

Extra amplification could be helpfull too, and doesn't have to cost much. You have the advantage to do filtering very cheap and easy and win alot on sound pressure level.
If you are handy with a soldering iron, look at the following:
http://www.t-linespeakers.org/tech/f...ssiveHLxo.html
http://www.41hz.com
http://www.autocostruire.com
http://www.audiodigit.com

And I don't know about the looks but:
http://www.hifi-selbstbau.de/text.php?s=read&id=90
This speaker is extremely efficient and is ideal to combine with one or two larger bass speakers..
Hope this is a bit helpfull to you jinMTVT...

v-bro 19th September 2006 12:04 AM

Oh and, I know that either solen or madisound can deliver visaton speakers.

v-bro 19th September 2006 12:09 AM

Sorry'bout this, but I just thought I'd mention that placing several speakers near eachother increases efficiency alot!
Two speakers next to eachother makes spl increase-I thought-6db...?

planet10 19th September 2006 12:22 AM

Quote:

Originally posted by JinMTVT
what about the FOSTEX ?
My favorite (and some available from me)

To get the loudness levels you seem to want, building a FAST system with a Fostex as mid-tweeter and active woofers below to move some air makes sense.

dave

JinMTVT 19th September 2006 03:05 AM

Ok
i am seriously looking at the Fostex FF125K 4.5 FULL RANGE

it's cheap ( 55$ each at solen )

could probably place 5 of each on each side ?
what do you guys think ?

maybe 4 each side would be enough ?



Dave what do you think about 4 of theese on each side for a simple setup
and a shiva + 300W kit for bottom support?

the 4.5" drivers would allow me to have a not too wide
front baffle ..and the colors would fit nicely on their wall i think!!! :)


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