MadSci Network: Physics

Subject: how does a gramaphone horn amplify sound?

Date: Tue Jun 26 09:01:42 2001
Posted by sunil
Grade level: grad (science) School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Physics
ID: 993560502.Ph

how does sound get amplified when passed through a cone?
where does the extra energy come from?
What about hollow objects like a box guitar?
how do they amplify sound?

Re: how does a gramaphone horn amplify sound?

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