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General Car Audio & SPL Discussion B B B B BASS!!!!

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Old 03-22-2006   #1 (permalink)
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I tryed this program and it gave me 168.9 for 4 soundstream xxx18's
do you think its accurate at all?someone that has been metered try it out and see how close it comes?Also do you think it only works for home stereos

http://www.myhometheater.homestead.c...alculator.html
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Old 03-22-2006   #2 (permalink)
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really no calc. will ever tell you ... way to many factors have effects on your score... and it gave me 133.8db... for the van with the last wall... that did a 157.1.. : lol
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Old 03-22-2006   #3 (permalink)
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It gave me a 133 for 2 12s at 2feet with 2,000watts.

Pretty much what I got on my last termlab trip, well, 2.1dB shy.
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Old 03-22-2006   #4 (permalink)
 
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it gave me a 126.2 at headrest. never done reality but im hitting 150.8
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Old 03-22-2006   #5 (permalink)
 
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Im hittin a 144-145 and this thing says i would be hittin a ****in 133.1 lol
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Old 03-22-2006   #6 (permalink)
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305 subs at .1ft with 90000 watts in a corner can hit a 200.7!


Speaker Sensitivity: 87.6 dB SPL (1 W/1 M)
Amplifier Power:99999911111119191919191919 Watts
Distance: 90000000000000000000 feet

Aay from walls CAN HIT 0 DB's !
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Old 03-22-2006   #7 (permalink)
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1 sub ma audio hk 15 90.6 Sensitivity ear at the port (.00001) 259.9 lol 1 foot away it goes down to 139.9 and 2 feet 133.9 so it dies down quick 4 soundstream xxx 18 ear to the port 291.8 (.00001)
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Old 03-27-2006   #8 (permalink)
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1 watt 1 foot away on 100 speakers it says 126.3 db's
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Old 03-27-2006   #9 (permalink)
 
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Quote:
Originally Posted by meatloaf1986
305 subs at .1ft with 90000 watts in a corner can hit a 200.7!
That I will go about saying, would blow the walls of your house out.. right? I mean.. that'd move enough air to flex windows past their breaking point and house windows aren't made for much flex anyways. I'm guessing 90,000 watts would hit higher than a 200.7 as well..

Does the software only give estimates or does it round it all down, cuz those numbers look kindergartenish to me lol
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Old 03-27-2006   #10 (permalink)
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Um no it wouldnt hit over 200dbs jus to let u know cuz the world record is 180.3 and scotty owens runs over 100,000 watts so do others.
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Old 03-27-2006   #11 (permalink)
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Quote:
Originally Posted by Erthshker
Um no it wouldnt hit over 200dbs jus to let u know cuz the world record is 180.3 and scotty owens runs over 100,000 watts so do others.

correct me if im wrong but isnt 500w on a home stereo alot more power then 500w on a Car stereo :
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Old 03-27-2006   #12 (permalink)
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I believe tht is correct but once again its all in the install as we all know. You could have the best equipment in the world and it wont do sh*t in a bad install.
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Old 03-27-2006   #13 (permalink)
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no need to get metered now.

it says im hitting a 129.9



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Old 03-27-2006   #14 (permalink)
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i must be doing something wrong with 2 hercules and 2 15's at 2 feet....lol 141 db
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Old 03-28-2006   #15 (permalink)
 
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the calculator is for home theater
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Old 03-28-2006   #16 (permalink)
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100000000 watts
1 foot away
100 speakers
In a corner

hits an amazing 246.3
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Old 03-28-2006   #17 (permalink)
 
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Quote:
Originally Posted by vc4life
correct me if im wrong but isnt 500w on a home stereo alot more power then 500w on a car stereo :
umm.... 500 watts is 500 watts... it dosent matter if its in a car, on a plane, in a house, or sitting next to green eggs and ham... i mean correct me if im wrong
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Old 03-28-2006   #18 (permalink)
 
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:nods: But what he meant was that a vehicle is known to boost the overall intensity and houses kinda drown it out due to the extremely large spaceous AIRY areas. lol

Or at least I think thats what he meant..


EH... Upon readin his quote there, i've noticed he may have instead meant that because of the increased voltage running into the system that it's more power.. not really.. they filter out all the extra and then run the rest through the speaker if i'm not mistaken.
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Old 03-28-2006   #19 (permalink)
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someone else will know what im talking about but the way i thought it worked was home recievers have true power verses car amps that are over rated


whens the last time you saw a 3000w home reciever for surround sound


i had a home reciever with 440w total with 4 channels so 110w per channel and the amp inside that reciever was big and heavy as hell, no compaired to a 4 channel car amp that is 110w per channel its small and light,

someone who knows what im tryin to say please help me out here
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Old 03-29-2006   #20 (permalink)
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Yeah..umm..its already been said thats for home theater totally differnt than a car....
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Old 03-31-2006   #21 (permalink)
 
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the difference is the amount of air space that needs to be pressurized...

a car is much smaller than a room and requires less power to hit a higher number because it has less air space to pressurize

a room is larger than a car and therefore has more airspace to pressurize

so in short 150db in a car and 150db in the house are two waayyy different things
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Old 03-31-2006   #22 (permalink)
 
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the difference is the amount of air space that needs to be pressurized...

a car is much smaller than a room and requires less power to hit a higher number because it has less air space to pressurize

a room is larger than a car and therefore has more airspace to pressurize

so in short 150db in a car and 150db in the house are two waayyy different things
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Old 04-01-2006   #23 (permalink)
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ya we know that im wanting someone to explain why 300w on a home reciever is a lot more powerfull then a 300w car amp
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Old 04-01-2006   #24 (permalink)
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damn im only hittin

113.9

hhahahaha
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