how to figure driver volume? - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 31 Old 07-21-10, 09:09 PM Thread Starter
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how to figure driver volume?

not even sure what this means? im tryn to figure out the driver volume for a Dayton RSS390HF-4 15"
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post #2 of 31 Old 07-21-10, 09:13 PM
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Re: how to figure driver volume?

Parts Express should be able to provide you with what i'm assuming your talking about... driver displacment.
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post #3 of 31 Old 07-21-10, 09:14 PM Thread Starter
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Re: how to figure driver volume?

on the enclosure calc it asks for driver volume, is that the same thing as driver displacement? if so i still dont know how to figure it out lol...
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post #4 of 31 Old 07-21-10, 09:20 PM
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Re: how to figure driver volume?

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aoessand wrote: View Post
on the enclosure calc it asks for driver volume, is that the same thing as driver displacement? if so i still dont know how to figure it out lol...
You got it right! Just call PE in the morning they should have the displacment for the driver.
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post #5 of 31 Old 07-22-10, 02:24 AM
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Re: how to figure driver volume?

For a 15" driver of typical construction 6 litres is fine. It's what is typically specified in pro driver datasheets for drivers of this size.
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post #6 of 31 Old 07-22-10, 06:41 AM
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Re: how to figure driver volume?

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For a 15" driver of typical construction 6 litres is fine. It's what is typically specified in pro driver datasheets for drivers of this size.
I usually work to 4, but in real terms, a couple litres out here and there isnt an issue, as you can use fibre fill inside the completed sub to tune it a little. Fibre fill has the effect of making the driver act like its in a larger enclosure than it is. Making an enclosures volume smaller is equally easily done, so I would worry too much about hitting your litre targets bang on, as long as your pretty close, then thats good enough
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post #7 of 31 Old 07-22-10, 07:15 AM
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Re: how to figure driver volume?

It is about 1/2 CuFt...

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post #8 of 31 Old 07-22-10, 07:37 AM
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Re: how to figure driver volume?

no, thats about 14 litres. There is a link in the in the quick links at the top, under the tools banner. It will take you to the enclosure volume calculator. At the bottom of that page, you will see a converter you can use for working this stuff out. 1 litre = 0.035 cu ft.

What program are you using to model the driver. If its WinISD, then you can change the values to the ones you prefer to work in, so if you place the mouse pointer over the litres word and click, its changes to one of several option, and you can do this with every value in the program.
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post #9 of 31 Old 07-22-10, 01:39 PM
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Re: how to figure driver volume?

From JBL2226 datasheet
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post #10 of 31 Old 07-22-10, 02:09 PM
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Re: how to figure driver volume?

I'd not be concerned about this in most cases. Remember you will be cutting a hole for the driver. I always let boxnotes do an estimate for me. on the driver size. Once you add stuffing or lining you will probably counter the displacement anyway.
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