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Author Topic: reading very low spl
RYANFERGUSON
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ive tried and tried but is there a way to make termlab read approx 70 db. i resently got in trouble with my local law for making too much noise testing in my garage. my city ordenance is 71db @63 hz at the lot line and i would like to test this with my t/l. everything i try it will only start to read at 120. any help?

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Posts: 369 | From: oshkosh, wi | Registered: May 2004  |  IP: Logged | Report this post to a Moderator
TeamSubGoPoof
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go to options and set min spl to lower than 120

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slammer
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The termlab systems are not accurate below 120dB.

71dB is approximately as loud as a few people talking loudly in a room.

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Angelo Di Donato
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Wayne Harris
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Term-LAB cannot measure that low. I hate to say it, but I would suggest a Radio Shack SPL meter. They are around $30.00.

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"Keep it Loud and Make me Proud!"

Wayne Harris

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RYANFERGUSON
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ok just wanted to be able to give the police a hard time next time they come and tell me i'm making too much noise.

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Death By Bass
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quote:
Originally posted by RYANFERGUSON:
ok just wanted to be able to give the police a hard time next time they come and tell me i'm making too much noise.

nicely ask them to meter it.... [Smile]

they may or may not have a meter... if they don't, then they can't even prove you were breaking the law...

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Bobby Riley
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quote:
Originally posted by Death By Bass:
quote:
Originally posted by RYANFERGUSON:
ok just wanted to be able to give the police a hard time next time they come and tell me i'm making too much noise.

nicely ask them to meter it.... [Smile]

they may or may not have a meter... if they don't, then they can't even prove you were breaking the law...

Good point. I would also ask which weighting scale they are using.

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Bobby Riley
Art's Sound Chamber

Fifteen time SPL World Champions-----26 SPL World Records
DB Drag == IASCA == USACi == MECA

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Wayne Harris
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I, too, am very interested in what happens. You may want to view the following articles...

http://www.termpro.com/articles/noiselaw.html

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"Keep it Loud and Make me Proud!"

Wayne Harris

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mikeandthemekanix
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We went out and got a Radio Shack SPL meter and the test results should be posted shortly

[Smile] [Smile] [Smile]

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Street MAX 1-2 (2006)
155.2 certified

Street B (2005)
152.4 certified

Street A (2004)
150.8 certified

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Posts: 451 | From: oshkosh wi | Registered: Dec 2002  |  IP: Logged | Report this post to a Moderator
RYANFERGUSON
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all tests done in a street car at 150 t/l db sealed up on the dash.

garage #1 64-66db at lot line approx 10" from garage

garage #2(the garage the cops came to) approx 80-83db 10" from garage on the lot line.

my conclusion is db is garage dependant. garage #1 was a smaller 2 car and garage #2 is a 3 1/2 car. both non-insulated. garage #1 connected to house. garage #2 detached.
garage #1 would have been consistant with any noise ordance, garage #2 would have been deemed illegle.

after further studing of the city ordance that said 71 db, any noise that was a tone or impulsive in nature need to subtract 5db. so 66 was our limit.

watching tv at normal volume was about 55db. a human laughing was about 60 db.

in my city, basicly if you do anything louder than laugh at the lot line, you are in voilation of a noise ordance.

there were provisions stated for allowance of use of power tools or items such as lawn mowers.

all test results are courtsey of SOUND MEKANIX SPL DESIGN TEAM.

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mdspl
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time to sound proof the garage, go see your local professionial recording supply place. heck even guitar center can help ya some bit.

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http://www.t3audio.com http://www.ohiogen.com http://www.streetsceneproductions.com
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Death By Bass
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just get some old carpet, and carpet underlay, and line the walls... be cheaper than proper stuff, and should drop the level enough....

only thing, old carpet tends to smell.. hmm... lol

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http://www.cardomain.com/ride/2257095

Loudest single 8inch Venom subwoofer in a Street A setup in the world!!!

http://www.diyaudio.com/forums/showthread.php?s=&threadid=62097

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RYANFERGUSON
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fiberglass insulation might work good too

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Posts: 369 | From: oshkosh, wi | Registered: May 2004  |  IP: Logged | Report this post to a Moderator
joshua_in_michigan
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dynomat the garage! (make sure u get pics ! )

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RYANFERGUSON
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good idea but if i was going to do that i might as well gold plate it. same price.

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Sayar Kuchenski
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The Term-Lab is not designed to read below 120 dB. It is not that accurate below 120.
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Death By Bass
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quote:
Originally posted by Sayar Kuchenski:
The Term-Lab is not designed to read below 120 dB. It is not that accurate below 120.

+1!!!! that was said in the second reply... [Roll Eyes]

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http://www.cardomain.com/ride/2257095

Loudest single 8inch Venom subwoofer in a Street A setup in the world!!!

http://www.diyaudio.com/forums/showthread.php?s=&threadid=62097

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RYANFERGUSON
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besides i didnt really care how accurate it was below 120...just wanted it to read... perferably below 66db

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NjccBflo
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quote:
Originally posted by RYANFERGUSON:
all tests done in a street car at 150 t/l db sealed up on the dash.

garage #1 64-66db at lot line approx 10" from garage

garage #2(the garage the cops came to) approx 80-83db 10" from garage on the lot line.

my conclusion is db is garage dependant. garage #1 was a smaller 2 car and garage #2 is a 3 1/2 car. both non-insulated. garage #1 connected to house. garage #2 detached.
garage #1 would have been consistant with any noise ordance, garage #2 would have been deemed illegle.

after further studing of the city ordance that said 71 db, any noise that was a tone or impulsive in nature need to subtract 5db. so 66 was our limit.

watching tv at normal volume was about 55db. a human laughing was about 60 db.

in my city, basicly if you do anything louder than laugh at the lot line, you are in voilation of a noise ordance.

there were provisions stated for allowance of use of power tools or items such as lawn mowers.

all test results are courtsey of SOUND MEKANIX SPL DESIGN TEAM.

ROFL

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Get loud daily... not burping.
From Finals 2005:
quote:
It's World Finals.
A certified event.
A 4x scoring event.
It's the "pinnacle" of the "sport".

If I showed up to Game 7 of the World Series and was found to have a Corked Bat in pre game warm-ups, what would happen to me? Even if I said that I 'didnt see it in the rulebook, my bad'.

From Finals 2004:
quote:
Originally posted by dBSteve:
Everybody in the top 8 in every class bent the rules.



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RYANFERGUSON
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quote:
Originally posted by NjccBflo:
quote:
Originally posted by RYANFERGUSON:
all tests done in a street car at 150 t/l db sealed up on the dash.

garage #1 64-66db at lot line approx 10" from garage

garage #2(the garage the cops came to) approx 80-83db 10" from garage on the lot line.

my conclusion is db is garage dependant. garage #1 was a smaller 2 car and garage #2 is a 3 1/2 car. both non-insulated. garage #1 connected to house. garage #2 detached.
garage #1 would have been consistant with any noise ordance, garage #2 would have been deemed illegle.

after further studing of the city ordance that said 71 db, any noise that was a tone or impulsive in nature need to subtract 5db. so 66 was our limit.

watching tv at normal volume was about 55db. a human laughing was about 60 db.

in my city, basicly if you do anything louder than laugh at the lot line, you are in voilation of a noise ordance.

there were provisions stated for allowance of use of power tools or items such as lawn mowers.

all test results are courtsey of SOUND MEKANIX SPL DESIGN TEAM.

ROFL
did i mention there isnt much to do around here in wisconsin...thats why we are so loud...and we drink alot. but looks like i DO need to do some sound proofing.

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93Cutty
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My neighbors next door have some loud mouths and I can hear them inside my house. I should call the cops on them. That's horrible.

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HamiltonAudio
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I've got a 2 car shop thats attached to my house which is fully winter insulated. I decided to do the same tests [Smile]

With the door closed, a customers truck that runs 145's all day long meters at 52 db at the street. In fact, you can hardly hear it at all - its more the vibrating of the house than the bass [Wink] The street is about 25 ' from the garage door.

I would agree that insulation helps a lot - the above test proves it. Luckily I have yet to have someone complain...

bmoney

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Hamilton Audio
Car Audio, Security & Performance

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rondog79
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get a new term lab

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Im back look for Boomer Car Audio aka Ronnie Day in 2006
IT'S GO TIME

www.boomercaraudio.com

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Bobby Riley
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