Humity level and speaker performance....
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Joined: Aug 2007
Posts: 3,488 Likes: 9
connoisseur
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OP
connoisseur
Joined: Aug 2007
Posts: 3,488 Likes: 9 |
Ok, Ken, this one is for you: Let's see... how to start... Well... Have you ever noticed a difference in linearity when humidity level are high or low? I've been trying to do blind testing, but since it can take days between significant jump in humity level, it is getting hard to remember how it sounded. Now discuss. OK, Ken, after this you can't say I have never done anything for you!
See Mojo's signature
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Re: Humity level and speaker performance....
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Joined: Dec 2002
Posts: 556
aficionado
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aficionado
Joined: Dec 2002
Posts: 556 |
Have you ever noticed a difference in linearity when humidity level are high or low? The sound of a pair of JBLs bookshelf I used to own changed drastically after a couple of months in a extremely humid environment ... it turns out to be that the speaker foam edge disintegrated.
The sailor does not pray for wind, he learns to sail. --Lindborg
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Re: Humity level and speaker performance....
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
Joined: May 2003
Posts: 18,044 |
I live in California, so can't say that I have... we don't get many humidity changes, other than weather.
Don't see how you could do blind testing, except with a humidifier, etc.
T minus 7
I am the Doctor, and THIS... is my SPOON!
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Re: Humity level and speaker performance....
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Joined: Oct 2006
Posts: 484
devotee
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devotee
Joined: Oct 2006
Posts: 484 |
I'm afraid to ask, but how else would you get humidity changes, other than maybe having your speakers in a bathroom? Extending this slightly, do temperature changes affect the speaker? Temperature affects how sound travels (note how you hear sounds outside on a cold day), but, with car audio more in mind, does it affect speaker performance? T minus...
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Re: Humity level and speaker performance....
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
Joined: May 2003
Posts: 18,044 |
I think my train of thought got derailed somewhere in that sentence. I meant to say "other than rain."
T minus 6
I am the Doctor, and THIS... is my SPOON!
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Re: Humity level and speaker performance....
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Joined: Dec 2002
Posts: 556
aficionado
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aficionado
Joined: Dec 2002
Posts: 556 |
If what you are trying to test is difference in linearity, I don't think there's the need to do a blind test, you just need a sensitive sound/audio analyzer (I would think).
The sailor does not pray for wind, he learns to sail. --Lindborg
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Re: Humity level and speaker performance....
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
Joined: May 2003
Posts: 18,044 |
A small hurdle, yes, but that is true. Time to go to the anechoic chamber and fill it with water!
I wonder if Axiom can do that with their new environmental chamber--do they have amps and power in there?
BTW, I like your sig.
T minus 3
I am the Doctor, and THIS... is my SPOON!
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Re: Humity level and speaker performance....
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Joined: Dec 2002
Posts: 556
aficionado
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aficionado
Joined: Dec 2002
Posts: 556 |
I can imagine the anechoic chamber with a big @ss cool-off mist fan inside :-) thanks, that quote is from Einstein
The sailor does not pray for wind, he learns to sail. --Lindborg
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Re: Humity level and speaker performance....
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Joined: Feb 2005
Posts: 5,210
axiomite
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axiomite
Joined: Feb 2005
Posts: 5,210 |
Bring your speakers down to south Florida during the summer, we'll run a good test to see how well they handle the humidity...we have plenty of it. I will say during our last hurricane two week power outage they held up extremely well with the humidity and high temperature, I was half expecting the vinyl veneer to start bubbling or peeling but it never did.
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Re: Humity level and speaker performance....
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Joined: Apr 2004
Posts: 134
veteran
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veteran
Joined: Apr 2004
Posts: 134 |
High frequencies are attenuated more when the humidity increases. I work for a pro audio speaker manufacturer and when we test our speakers we have to account for humidity. We adjust several times a day if need be.
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