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Junior Varsity
Help me understand the concept of speaker “throw” please.
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<blockquote data-quote="Bob Lee" data-source="post: 130913" data-attributes="member: 4707"><p>Re: Help me understand the concept of speaker “throw” please.</p><p></p><p>A few times people have called me to ask about the "throw" of certain QSC loudspeakers.</p><p></p><p>I ask them what their definition of "throw" is. Usually it's something like, "how far out from the speaker before the sound falls off." Well, OK, let's start there.</p><p></p><p>I explain that the sound drops off right away; it doesn't just go out a certain distance and suddenly go away. I describe the Inverse Square Law and how it works, and how making sound louder at a distance involves making it louder up close as well. And how controlling directivity can concentrate a given amount of acoustical energy into a narrower angle can give more SPL, and the distance at which the sound level becomes equal with ambient noise could therefore be greater. </p><p></p><p>A couple of guys outright rejected this notion, usually with a retort like, "I've been doing this stuff for 30 years and know damn well that speakers throw sound! And you're telling me yours drop off right away, huh? Well, I guess that means the throw is zero, huh? I guess I'd better just go buy {insert brand here}!" Oh well.</p></blockquote><p></p>
[QUOTE="Bob Lee, post: 130913, member: 4707"] Re: Help me understand the concept of speaker “throw” please. A few times people have called me to ask about the "throw" of certain QSC loudspeakers. I ask them what their definition of "throw" is. Usually it's something like, "how far out from the speaker before the sound falls off." Well, OK, let's start there. I explain that the sound drops off right away; it doesn't just go out a certain distance and suddenly go away. I describe the Inverse Square Law and how it works, and how making sound louder at a distance involves making it louder up close as well. And how controlling directivity can concentrate a given amount of acoustical energy into a narrower angle can give more SPL, and the distance at which the sound level becomes equal with ambient noise could therefore be greater. A couple of guys outright rejected this notion, usually with a retort like, "I've been doing this stuff for 30 years and know damn well that speakers throw sound! And you're telling me yours drop off right away, huh? Well, I guess that means the throw is zero, huh? I guess I'd better just go buy {insert brand here}!" Oh well. [/QUOTE]
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Help me understand the concept of speaker “throw” please.
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