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#400111 - 01/15/14 06:02 PM Re: Ok so another sub question how many [Re: TroyD]
dakkon Offline
connoisseur

Registered: 02/08/04
Posts: 1846
My family room is about the size of your room.. I have a pair of EP600'S, and they fill the room very well.. granted that isn't exactly one of your options... but, I would recommend considering it.

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#400116 - 01/15/14 07:32 PM Re: Ok so another sub question how many [Re: TroyD]
JBG Offline
devotee

Registered: 06/14/02
Posts: 410
I'm on the wire between PB12 plus or a EP500..

has anyone compared these subs?

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#400127 - 01/15/14 09:42 PM Re: Ok so another sub question how many [Re: JBG]
JBG Offline
devotee

Registered: 06/14/02
Posts: 410
Originally Posted By: JBG
I'm on the wire between PB12 plus or a EP500..

has anyone compared these subs?


hopefully axiom will come out with new subs soon... they have been awfully quiet on these forums lately
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#400134 - 01/15/14 10:40 PM Re: Ok so another sub question how many [Re: TroyD]
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4556
Loc: Marion, IA
Originally Posted By: troyd
and 4 8" sub are greater than a 15"
wink

Thanks NickBuol


Hey, those are just my notes, exactly from the words I heard from audio experts who study this stuff for a living. smile
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#400140 - 01/16/14 08:30 AM Re: Ok so another sub question how many [Re: nickbuol]
TroyD Offline
devotee

Registered: 02/17/04
Posts: 302
Originally Posted By: nickbuol
Originally Posted By: troyd
and 4 8" sub are greater than a 15"
wink

Thanks NickBuol


Hey, those are just my notes, exactly from the words I heard from audio experts who study this stuff for a living. smile


Sorry , wasn't meaning anything by it. I know I heard that before. Also, the one I mentions. 15 x 3.14 = 47.1 10 x 3.14 x 2 = 62.8 and 8 x 3.14 x 4 = 100.48 . So technically four 8" subs should move more air than a 15" by 2.5 times.
Also, will have twice the wattage power than two EP500's has 25% speaker area. Is tighter in the bottom end, quicker.

My two 10 subs fill the room very well. the only thing is they are just slightly above entry level.
I could very easily probably get by with 4 great 10" subs better than two 12". but, then at twice the cost also
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#400141 - 01/16/14 08:34 AM Re: Ok so another sub question how many [Re: nickbuol]
TroyD Offline
devotee

Registered: 02/17/04
Posts: 302
Originally Posted By: nickbuol
Originally Posted By: troyd
and 4 8" sub are greater than a 15"
wink

Thanks NickBuol


Hey, those are just my notes, exactly from the words I heard from audio experts who study this stuff for a living. smile


By, the way thanks for sharing that info. I like the ratio for seating.

I sketched out my room on graph paper. Then entered the seating and put my speakers at the 9' seperation. and made my triangle, but 9' is too close. So, it is not perfect, but I can toe the speakers in and out as I need. then placed the sides at 90deg and the rears at 115 deg. with a protractor
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#400142 - 01/16/14 09:41 AM Re: Ok so another sub question how many [Re: TroyD]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3452
Loc: Western Maryland, USA
Originally Posted By: troyd
Sorry , wasn't meaning anything by it. I know I heard that before. Also, the one I mentions. 15 x 3.14 = 47.1 10 x 3.14 x 2 = 62.8 and 8 x 3.14 x 4 = 100.48 . So technically four 8" subs should move more air than a 15" by 2.5 times.

It doesn't quite work that way. You're missing a dimension, the movement of the cone, which is probably the most important. Think about this: a tweeter has a .75" dome. So 20 tweeters should equal a 15" sub. But it doesn't; a tweeter has such a small amount of movement. It'd take a whole lot more than 20 to get them to produce a 15 Hz tone at any audible level.
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#400145 - 01/16/14 11:13 AM Re: Ok so another sub question how many [Re: TroyD]
CatBrat Offline
axiomite

Registered: 08/05/09
Posts: 5931
Loc: Milky Way Galaxy
It would seem that with this logic, a room full of tweeters should put out great bass.

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#400150 - 01/16/14 12:53 PM Re: Ok so another sub question how many [Re: TroyD]
exlabdriver Offline
connoisseur

Registered: 09/07/11
Posts: 1062
The quality of the sound of my 2 EP-400s for 'music only' is simply outstanding; however, I've never used them for the high demands of HT. Four undoubtedly will have enough horsepower for the rigors of HT as was demonstrated here in 2007:

http://www.audioholics.com/subwoofer-reviews/axiom-audio-ep400-subwoofer

The EP-400 has been significantly tweeked since this article in 2007. Mine are the latest version that continue to impress me with their exemplary performance. Get your out wallet if you purchase four though, ha!

Personally, I would go for 2 X EP500s for HT - way cheaper too...

TAM

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#400152 - 01/16/14 01:09 PM Re: Ok so another sub question how many [Re: exlabdriver]
TroyD Offline
devotee

Registered: 02/17/04
Posts: 302
Originally Posted By: exlabdriver
The quality of the sound of my 2 EP-400s for 'music only' is simply outstanding; however, I've never used them for the high demands of HT. Four undoubtedly will have enough horsepower for the rigors of HT as was demonstrated here in 2007:

http://www.audioholics.com/subwoofer-reviews/axiom-audio-ep400-subwoofer

The EP-400 has been significantly tweeked since this article in 2007. Mine are the latest version that continue to impress me with their exemplary performance. Get your out wallet if you purchase four though, ha!

Personally, I would go for 2 X EP500s for HT - way cheaper too...

TAM


Thank You
taken right from the article
According to Ian Colquhoun (President of Axiom Audio), the EP400 was produced to fill a specific need: to pack real subwoofer performance into the smallest possible enclosure. Ian and crew demonstrated that four subs are better than one at our 9th Annual State of the CE Union Event on October 6th, 2007. In a reasonably sized room such as the demo room they utilized (roughly 400ft^2), they were able to utilize 4 EP400's strategically located equidistant from the listening area against the midpoint locations of the 4 walls. Using a switching device to switch between 4 EP400s and 4 EP600s located in similar areas, it was nearly impossible to hear or detect a difference. The EP400s were playing just as low and loudly into their demo room validating their claim that the EP400 has similar extension of the EP600s when played at similar volume levels in a moderately sized room. For those wondering how they can cram 4 giant boxed sized subs into their theater room to take advantage of even bass response in all listening positions, the EP400 may just be the answer to your problems. We look forward to examining this new little GIANT in the near future via a formal product review.
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