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Throw or not to throw?

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doller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote doller Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2021 at 10:06am
Thank you for all the reply's. Sorry busy Friday night I will read through properly and think. Thanks again.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote toastyghost Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2021 at 2:49pm
Originally posted by csg csg wrote:

Intensity of sound at any distance is simply a function of the energy produced by the source and the dispersion of that energy.

Throw only exists as a perception of the difference in sound intensity from different sources at a given position. Off course if you experience Throw then it exists in your reality but thats more of a philosophical argument than a technical one….


Ah now you’re gonna confuse them! Yes, it’s important to also understand the difference between sound intensity, sound power and sound pressure. Those also are not exactly same as the expressions of the LEVELS of those things.

http://www.sengpielaudio.com/calculator-soundpower.htm

https://ccrma.stanford.edu/courses/150-2001/SPL.html

https://youtu.be/ZWDT3umjI2I
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Post Options Post Options   Thanks (0) Thanks(0)   Quote godathunder Quote  Post ReplyReply Direct Link To This Post Posted: 04 December 2021 at 1:47pm
Originally posted by csg csg wrote:

Off course if you experience Throw then it exists in your reality but thats more of a philosophical argument than a technical one….


That would be an ecumenical matter...........
LOUDER THAN LOUD
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Post Options Post Options   Thanks (0) Thanks(0)   Quote njw Quote  Post ReplyReply Direct Link To This Post Posted: 05 December 2021 at 10:33am
Originally posted by godathunder godathunder wrote:

Originally posted by csg csg wrote:

Off course if you experience Throw then it exists in your reality but thats more of a philosophical argument than a technical one….


That would be an ecumenical matter...........


 YES!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote madboffin Quote  Post ReplyReply Direct Link To This Post Posted: 12 December 2021 at 6:09pm
Back in the day, the term "throw" was used as a subjective non-technical term describing the effect of directivity.

As has been noted it had no scientific definition, but it was a convenient descriptive term in widepread use.

So for example if you had a narrow dispersion horn or a directive array covering the back of a room, it would be described as "long throw". Similarly the wide dispersion stuff covering the front rows would be "short throw".

A giant stack of bass bins 10m high and 2m wide (yes, that's what we used to do) was definitely "long throw", by virtue of its vertical directivity, as evidenced by walking 100m away and listening...

To complicate things further, some driver manufacturers used "long throw" to mean "high x-max" , i.e . a bass driver with more allowable cone travel than was usual for such products.

Given that there are now plenty of better descriptions of what's really happening, it's well past it's use-by date...

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