Fireworks
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Joined: Feb 2005
Posts: 325
devotee
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OP
devotee
Joined: Feb 2005
Posts: 325 |
We had our annual valley firework show tonight. I had to work during the evening, but fortunately I got a chance to get out for a few minutes and watch the show. The fireworks were probably about a mile away, and yet you could still hear some of the explosions at a fairly loud level. It got me to thinking, what kind of SPLs are we talking here? I mean if you were within say 50' or so of one of these high explosive fireworks? I would think they would have to be very very high. Anyone have an idea? 130 dBs? 140?
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Re: Fireworks
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Joined: Jan 2004
Posts: 13,840 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,840 Likes: 13 |
Although the crowd around you might think your some FBI agent, that would be an interesting test to bring and SPL with you. We are usually about 1/2 mile away from our town's fireworks as we have a nice few overlooking the city. It is still very loud though. You still get the slight delay, as it takes a bit for the sound to travel to us, but it is still very loud, boooooooom
M80s VP180 4xM22ow 4xM3ic EP600 2xEP350 AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85
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Re: Fireworks
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Joined: Feb 2005
Posts: 5,210
axiomite
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axiomite
Joined: Feb 2005
Posts: 5,210 |
I'd like to see what kind of SPLs the NHRA Top Fuel and Funny Cars put out during a run, those things are amazingly loud.
I'm headed up to Daytona for the Pepsi 400 this evening, if it weren't for the tight security I wouldn't mind having the SPL meter tag along but I really don't want some security guard to confiscate my RS SPL meter...that would suck.
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Re: Fireworks
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Joined: Aug 2004
Posts: 6,379 Likes: 7
axiomite
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axiomite
Joined: Aug 2004
Posts: 6,379 Likes: 7 |
It's from Radio Shack. How can anything from Radio Shack be un-American ?
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39 M5HP, M40ti, Sierra-1 LFR1100 active, ADA1500-4 and -8
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Re: Fireworks
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Joined: Jan 2004
Posts: 13,840 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,840 Likes: 13 |
Good point Rick, I was a Mac Tools dealer for a couple of years in the midwest. As you know Mac sponsers many NHRA drivers. I believe it was in Norwalk, OH once, the event was called "Under the Lights" or something like that, it was unbelievable. Nothing like watching on TV. It would probably blow the levels off the chart....
M80s VP180 4xM22ow 4xM3ic EP600 2xEP350 AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85
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Re: Fireworks
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Joined: Jun 2003
Posts: 6,833
axiomite
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axiomite
Joined: Jun 2003
Posts: 6,833 |
In reply to:
I'd like to see what kind of SPLs the NHRA Top Fuel and Funny Cars put out during a run, those things are amazingly loud
I did think of taking my meter to the Carquest Nationals at Rt 66 this year.Maybe when I go this fall I will.They are super loud,I would think they would peg the meter.
Rick
"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud
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Re: Fireworks
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Joined: Feb 2005
Posts: 5,210
axiomite
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axiomite
Joined: Feb 2005
Posts: 5,210 |
You know what?
I just thought of something, I'd like to yank that thing out of the closet whenever the misses is in one of her yelling moods and see how she stacks up against the 80s...I'm placing my bet on the misses.
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Re: Fireworks
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Joined: Aug 2004
Posts: 6,379 Likes: 7
axiomite
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axiomite
Joined: Aug 2004
Posts: 6,379 Likes: 7 |
>>I'd like to yank that thing out of the closet whenever the misses is in one of her yelling moods
Whatever you do, don't let her see the meter. The results would NOT be pretty... and I bet things would get even worse if you asked her to stop for a second so you could adjust the range up another 10dB
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39 M5HP, M40ti, Sierra-1 LFR1100 active, ADA1500-4 and -8
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Re: Fireworks
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Joined: Dec 2003
Posts: 2,021 Likes: 1
connoisseur
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connoisseur
Joined: Dec 2003
Posts: 2,021 Likes: 1 |
I laughed so hard at that one that I think I hurt something ...
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Re: Fireworks
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Joined: Jul 2004
Posts: 4,444 Likes: 16
connoisseur
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connoisseur
Joined: Jul 2004
Posts: 4,444 Likes: 16 |
At WFO the top fuel rides are around 160 dbs within ten feet. Pro-mods are about 150.
If you think it’s cool watching / hearing them race, you ought to see and hear the engines strapped to a dyno. Now that’s cool. To be in the same little room as a 1800 hp 700 CID blown big block spinning at 7000 rpms.
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