Dayton 10" RS Subs

[gavinson]

Help please.

I can't find the recommended sealed box volume for the Dayton 10" Reference Sub anywhere on the PE site, it hasn't been added to the woofer selection guide, and I haven't been able to get PE to respond to my inquiry (they must be busy). I can model it in software, but would like to have confirmation of results.

Does anyone know what the recommended sealed box volume for the Dayton 10" RS Sub?

I appreciate any help you can offer.

Best Regards.

[cjd]

They're different.

Also, this for home use?

[gavinson]

Yes. they are for home use...I am trying to cover the lower three octaves (under 200Hz) as well as I can with one pair of the 10's in a home system. I have 57" Auricle full range ribbons above that point.

[cjd]

I'm going to assume you are looking at the HF version then.

For a Q of .706, 25L sealed is good. F3 of ~40.5Hz.

30L is a Q of.665, F3 39.1

That's assuming a "walls covered" box. Remember to dd a few L for driver and bracing. More only helps things, really.

C

[gavinson]

Thank you for the response. The software modeling showed much the same (25.4liter). May I ask, what issue will I face if I increase the size of the cab, can I gain lower extension? What will I lose, when does it become too much?

The point is, I have room for a larger cab, should I explore using it, or, stay with the math and build to a 25 liter? With a gentle slope I should expect some room gain below the thresehold, yes?

Again, thanks for the info.

[scottsehlin]

I have been looking at running this driver in about 70 liters sealed (actually considering going that large to give an option of running ported). According to Unibox, the f3 is around 39 Hz, but the response isn't 10 dB down until right around 20 Hz. In some rooms, this will be almost flat once room gain is factored in. Using a larger sealed box (lower Q) in general gets the response to start rolling off sooner, but more gradually. If this occurs in the absence of room gain or equalization, the resulting bass will sound a little thin. Using a smaller box will keep the response flat longer, but roll off more quickly. If the box is too small, a response peak is formed before roll off. This will tend to give the bass a muddy, or "one note" quality.

The short version of my answer is that I think the larger box will work fine unless you have a really huge room, in which case you might consider the 12 incher instead or go with a ported alignment for the 10.

[brianwalter]

Scott, According to Jeff Bagby's Subwoofer Box and Circuit Designer spreadsheet, I get that the RS10HF will reach xmax at 90 watts in a 70L box. This is assuming a the rumble filter is set at 14 hz with a Q = 1.0 which should be fairly close to most plate amps without boost. His program gives slightly different values, f3 = 34.8, f10 = 17.4, but they are close to what you came up with. My only point is that going to a larger box reduces the power handling cabability of the driver at lower frequencies. No free lunch I guess (Hoffmans Iron Law).

Brian Walter

[scottsehlin]

I agree about the power handling - no free lunch. My extension numbers came from Unibox and the published specs from the P.E. site. - no rumble filter included.

[gavinson]

Thanks for all your comments.