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OCN Speaker Club - Page 165

post #1641 of 3859
Pictures of my setup





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post #1642 of 3859
Have you tried turning the speakers inwards slightly? It should improve the sound - especially as you're so close (assuming you sit just at the bottom of the second pic).
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post #1643 of 3859
Quote:
Originally Posted by tUDJ View Post
Have you tried turning the speakers inwards slightly? It should improve the sound - especially as you're so close (assuming you sit just at the bottom of the second pic).
doing that would direct the tweeters more towards his ears? high frequencies, i think are very precise in the direction it takes but low frequencies below 150 htz are almost non directional? this is to confirm my suspicions, i'm not a pro...yet.

btw, anyone know anythign about NAD T751's buzzing? mine started buzzing. i left it at my friends house where hopefully it will be diagnosed by a professional technician who has over 40 years of experience.
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post #1644 of 3859
Quote:
Originally Posted by coreyL View Post
doing that would direct the tweeters more towards his ears? high frequencies, i think are very precise in the direction it takes but low frequencies below 150 htz are almost non directional? this is to confirm my suspicions, i'm not a pro...yet.
Yes the sounds from the tweeter have much less "spread" than the lower frequencies from the mid drivers, that's why it's recommended to have the tweeters as close to ear level as possible. I don't know the cutoff where sound becomes non-directional, all I know is that subs are supposed to be "hidden", in that you can't or shouldn't be able to tell where they are in a room.
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post #1645 of 3859
Quote:
Originally Posted by coreyL View Post
doing that would direct the tweeters more towards his ears? high frequencies, i think are very precise in the direction it takes but low frequencies below 150 htz are almost non directional? this is to confirm my suspicions, i'm not a pro...yet.

btw, anyone know anythign about NAD T751's buzzing? mine started buzzing. i left it at my friends house where hopefully it will be diagnosed by a professional technician who has over 40 years of experience.
You are correct on one thing, the tweeters are DEFINITELY very directional. So they should be pointed towards his ears for best sound. As to your directional bass question, see below.

Quote:
Originally Posted by tUDJ View Post
Yes the sounds from the tweeter have much less "spread" than the lower frequencies from the mid drivers, that's why it's recommended to have the tweeters as close to ear level as possible. I don't know the cutoff where sound becomes non-directional, all I know is that subs are supposed to be "hidden", in that you can't or shouldn't be able to tell where they are in a room.
Bass becomes directional past 80Hz. Depending on the room, it can be anywhere from 60-80Hz, but 80Hz is the generalized spot for directional sound. This is why proper THX Certification requires an 80Hz crossover point between the subwoofer and fronts.
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post #1646 of 3859
Quote:
Originally Posted by pioneerisloud View Post
You are correct on one thing, the tweeters are DEFINITELY very directional. So they should be pointed towards his ears for best sound. As to your directional bass question, see below.



Bass becomes directional past 80Hz. Depending on the room, it can be anywhere from 60-80Hz, but 80Hz is the generalized spot for directional sound. This is why proper THX Certification requires an 80Hz crossover point between the subwoofer and fronts.
yeah makes sense to me

btw you can add in some advent towers for me. i resurrounded one of them and replaced the other's woofer entirely.

http://img833.imageshack.us/img833/6536/hpim8594.jpg

what my desk used to look like, much cleaner than now. i apologize but having a full time job and no shop area and being 19, no time to keep tidy if im to mess with my hobby.

you can see my NAD T751 in that pic though. it started buzzing and my friends dad is going to help me fix it, in the mean time i have the most ghetto receiver possible.



there is the advent i re surrounded. its on top of the sealed sub. its just a garbage rockford fosgate punch 400 watt rms sub driver in a sealed mtx box, but these advents only go down to about 45 htz. the sub will do 28.

actually the BIGGEST reason i have a sub hooked up is because the ampification only provides 7 watts for the left and right. its not enough to get good bass out of it. the sub is going from 40 htz-400 prolly so i might wanna switch to my ohm spaker for the x540 sub. it will provide better response to that kind of power and setup than this **** rockford fosgate driver imo



this is my garbage receiver im using til my NAD actual hifi one gets fixed. its an logitech x540 amplification circuit board. the rca jacks are the left and right channels. the blue wires is where the xbox power supply is inverting 12 volts to the circuit board at 203 watts of possible draw power. the sub is powered by the wires that would normally go to the x540 sub voice coil. the x540 is amplifying everythign atm and it actually sounds about 50 times bwetter than the original logitech system. i heard theswe advents on my friend's sherwood 5.1 receiver and they sound just as good as his PSB image 4t towers.




those are the psb image 4t's. keep in mind i said the advents were driven by THE SAME RECEIVER AS HIS PSB'S ARE. i am NOT claiming this garbage x540 makes them sound that good, becase it sounds like garbage compaired to the sherwood receiver.

now... as for when i get quality amplification... the answer to that is my receiver will get fixed. its an NAD which aparently is quality. some people on here bashed me for it and said it was garbage though. it will be having pre out to a quad model 405 amplifier.





my friends dad will be helping me build a 100 wat a channel 5 channel quad amplifier405 amplifier in a big 19 inch rackmount enclosure. he has alot of extra 405 amp parts. there will be 3 transformers: one for the center, one for the left and right, one for the rears. im not joking about that btw.

so basically that amp will last me a LOOONGGGG time. aparently its a good amp even though audiophiles take solid state amps as garbage.

btw do you know of a 19 inch wide, maybe 6 inches tall, 15 or more deep quality looking amplifier type case that i can buy for cheep? i'd like brushed aluminum.
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post #1647 of 3859
I have Canton XXL Plus' with a Sub 10, being powered by a Harman Kardon 3490 amp.
I'll try to post pics soon :]
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post #1648 of 3859
Hey guys. I have a quick question. Are Aperion Audio's Satellite 4B and 8A Subwoofer any good? I was thinking about getting some.

Edit - Only problem is that i have to set them up in the basement but I'll see if I can move my computer somewhere else. My basement tends to have echoing affects a lot because it's kind of big.
post #1649 of 3859
for $320 there are better subwoofer options, but there's nothing particularly wrong about them. aperion offers a 30 day trial where they pay shipping both ways, so if you are unsatisfied you can always return them.
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post #1650 of 3859
Quote:
Originally Posted by gorb View Post
for $320 there are better subwoofer options, but there's nothing particularly wrong about them. aperion offers a 30 day trial where they pay shipping both ways, so if you are unsatisfied you can always return them.
OK. Thanks.
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