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How many dbs

 

Silver Member
Username: Decde

Canada

Post Number: 219
Registered: Sep-04
i was just wondering, if i have 2 subs, for a total of 400wrms each. The subs would have .75 cubic feet each. How much db's would i it?? I'm just wondering, so take a wild guess, thx
 

Bronze Member
Username: Slap_johnson

Arizona

Post Number: 96
Registered: Aug-04
geez, i wont freak out but uve been here for a couple months and u should know that nobody can answer this, its impossible to know, get it meterd
 

Silver Member
Username: Audiobahn_man

Freakmont, MI

Post Number: 271
Registered: Aug-04
erm I hit 133 with 600 rms and 2 12'' v-maxes....
 

Silver Member
Username: Decde

Canada

Post Number: 220
Registered: Sep-04
cool thx
 

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Unregistered guest
No way of telling.
Youre not even listing the subs youre using.
holy jeez man...get it metered :-)
 

Bronze Member
Username: Skema

Manch, NH US

Post Number: 78
Registered: Aug-04
slap what are your box demensions at?

Im getting a single v-max w/ 2ft^2 @ 32hz. Considering the 3db loss of surface area since ill have one less sub, you think i'll be in the 120-130 range?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 5614
Registered: Dec-03
yeah there is absolutely no way to even guess at an SPL reading to be honest.
it depends on the sub TS specs, the enclosure, the power supplied, car's sympathetic frequency, sound damping, cabin air volume, the weather that day and the height above sea level, and a myriad of other factors.
in short, just get the car metered and see if you really need to know.
 

Bronze Member
Username: Taylor17

Kopperl, Texas U.s

Post Number: 32
Registered: Nov-04
i hav 2 rockford hx2 10's with 400 watts to each sub and i tested them when they where brand new i know that isn't good on the subs but i didn't any way they hit 127 db's that shood give you an idea
 

Bronze Member
Username: Slap_johnson

Arizona

Post Number: 99
Registered: Aug-04
nick, that was my old box but i dont know off hand the exact mesurement but i think it was like 56x21x14, and it was facing the roof, my new box is downfired, and its 56x29x15 tuned to 35 hz
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