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Old 19th August 2004, 03:46 AM   #1
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Default what would be required for 273dB

from another forum someone was bragging about a SPL of 189dB and that the record was 243dB (one time) or 273dB.

i was wondering, what would be required to acheive an SPL of 273dB?

would a small neuclear explosion be enough?

i mean that's an pretty large intensity, unless you redefine 0dB...
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Old 19th August 2004, 04:38 AM   #2
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Default Re: what would be required for 273dB

Quote:
Originally posted by theChris
from another forum someone was bragging about a SPL of 189dB and that the record was 243dB (one time) or 273dB.

i was wondering, what would be required to acheive an SPL of 273dB?

would a small neuclear explosion be enough?

i mean that's an pretty large intensity, unless you redefine 0dB...

Well, considering 0 dB is 20 micropascals, an atmosphere is 100 kPa, that implies one atmosphere of sound pressure is about 194 dB. I call bull**** on the first. So, continuing from this, 243 dB implies an overpressure of 300 atmospheres, and 273 dB 10,000 atmospheres. Titan missile silos are designed for 1000 psi (70 atmospheres), and they're supposed to withstand a direct hit from a nuclear strike.

You can figure out whether this person is worth talking to further.

Francois.
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Old 19th August 2004, 05:44 AM   #3
Hayden is offline Hayden  Australia
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what forum?
273 dB that is bull
the record is just over 180db

try a nuke

somthing like this
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Old 19th August 2004, 05:48 AM   #4
Hayden is offline Hayden  Australia
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and the same van
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Old 19th August 2004, 05:48 AM   #5
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oh no, i was just curious what kinda thing could possibly do that. i was thinking a large explosion's shockwave at almost point blank would be the best way to do this.
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Old 19th August 2004, 06:54 AM   #6
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A starquake ought to do it!
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Old 19th August 2004, 08:54 AM   #7
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Lanching a Saturn space rocket is reported to come close to the theoretical maximaum of 194dB....
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Old 19th August 2004, 08:56 AM   #8
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BTW... sea mamals and submarines etc tend to make more SPLs in water... possible above 200db? but that's a whole different game and has a different meaning....
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Old 19th August 2004, 01:53 PM   #9
Hayden is offline Hayden  Australia
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A hypernova is the most destructive force (explosion) in this
Universe may be it can produce that amount of db

A hypernova can wipe out thousands of galaxies
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Old 19th August 2004, 02:19 PM   #10
Dingle is offline Dingle  United States
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I just want to know what kind of test equpment these people that mesured the 200+ db were using.
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