facing subs, which is louder

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skylark

Copper - Posts: 191

Joined: August 04, 2003

Location: United States

Posted: March 06, 2006 at 2:16 PM / IP Logged

I got a problem., I just recieved my new eclispe 88150 dvc sub today, so now i have three subs. Now the current enclosure holds two 15;s and they are facing the trunk, now the new enclosure im having a hard time getting it in, but it does fit facing the 3 15's up towards the trunk, now my question is with the other enclosure you could hear me down 4 blocks before i pull up, now with the new enclosure firing the subs toward the trunk lid, will i still have the same effect, when its now 3 eclipse 15 inch subs.

advice will be greatly appreciated.

goingcrazyonsound

jeffchilcott

Platinum - Posts: 2,483

Joined: April 11, 2002

Location: United States

Posted: March 06, 2006 at 3:26 PM / IP Logged

every vehicle is diffrent, I have had best results with subs firing back or up.

we currently have our subs all the way to the rear of the trunk with them firing up. this is the best results we have found so far

2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR

2007 USACI World Champion

2007 World Record

2006 USACI Finals 2nd Place

coppellstereo

Silver - Posts: 785

Joined: November 21, 2005

Location: United States

Posted: March 06, 2006 at 3:41 PM / IP Logged

what amp(s) are you running? It may change the sound dynamics - why not try it out?

skylark

Copper - Posts: 191

Joined: August 04, 2003

Location: United States

Posted: March 06, 2006 at 3:48 PM / IP Logged

im using the jbl 1200.bp1 amp to run all three of the subs. They are all 4 ohm dvc, which means when i wire them they will put A 2.67 OHM LOAD on the amp which should be prefect, but the amp is one ohm stable and is a switching amp so it puts out the same amount of power at either ohm. I did a search on all the old topics and found out some interesting stuff, that is helping me make up my mind, and im gonna face them upwards, hopefully it will be louder then when i had two of them

goingcrazyonsound

arrow12

Silver - Posts: 527

Joined: October 06, 2005

Location: United States

Posted: March 06, 2006 at 6:52 PM / IP Logged

Check the sag calculator to make sure the subs can face up.

That's my opinion. Take it, leave it, or correct me.

skylark

Copper - Posts: 191

Joined: August 04, 2003

Location: United States

Posted: March 06, 2006 at 7:07 PM / IP Logged

whats that? sag calculator?

goingcrazyonsound

skylark

Copper - Posts: 191

Joined: August 04, 2003

Location: United States

Posted: March 06, 2006 at 7:48 PM / IP Logged

i checked that sag thing and it says its not good for downfiring, that means up side down not firing up so it looks like im okay facing subs, which is louder -- posted image.

facing subs, which is louder -- posted image.

goingcrazyonsound

geepherder

Platinum - Posts: 3,668

This member consistently provides reliable information

Joined: October 27, 2003

Posted: March 06, 2006 at 8:15 PM / IP Logged

No, if it's not recommended to downfire, then it's not recommended to upfire either- you still run into the same sag issue.

My ex once told me I have a perfect face for radio.

pcguy760

Copper - Posts: 154

Joined: August 20, 2005

Location: United States

Posted: March 07, 2006 at 12:29 AM / IP Logged

Whats a "sag calculator" ? Sounds like something women with saggy boobs would wanna use hahaha ...

facing subs, which is louder -- posted image.

Steven Kephart

Platinum - Posts: 1,737

This member has been recognized as an authority in Mobile Audio and Video. Click here for more info.

Joined: November 06, 2003

Location: Oregon, United States

Posted: March 07, 2006 at 12:41 AM / IP Logged

http://www.adireaudio.com/Files/TechPapers/DriverOrientation.pdf

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