Help with Ported Dayton 18" HO for MUSIC ONLY! - AVS Forum
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post #1 of 7 Old 07-07-2013, 05:38 PM - Thread Starter
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I've got Dayton 18" HO that I've been using at my shop(4000sqft) that is currently sealed and was thinking I could gain a little more output from it if I go with a ported set up. Only problem is I've never really used winisd for anything other than sealed boxes. The box its currently in is about 5cuft but if needed I can always slap something else together... Listen to pretty much everything so I would like it to dig down to at least 25 hz.

Anyone mind modeling a set up for me??
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post #2 of 7 Old 07-07-2013, 06:50 PM
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5cu ft tuned to 25hz looks decent with 1000w

3 x 12 x 26" slot port

 

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post #3 of 7 Old 07-08-2013, 10:14 AM
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That's a big room for a single low-end 18 to be pushing.
Don't expect a ported box to do "worlds better" than more subs and amps would.
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post #4 of 7 Old 07-08-2013, 11:40 AM
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Are you actually pushing the current subwoofer to (or beyond) its limits in your workshop...seriously? 4,000 cubes or not, you should be able to get pretty good (read: sensible workshop output) response out of the driver in a 5 cube cabinet. But perhaps my expectations for "shop bass" are grossly distorted. Even so, will another 2-6 dbs really change much? To even get to 5-6 dbs of additional output, you're talking about time and cost FAR exceeding that of adding a port.

Further, I didn't realize the Dayton HO was "low end". Because it's only ~$250 from a online warehouse supplier or because it's not a TC Sounds Ultra or UXL 18? I'd be willing to bet it's actually closer to an "8" on the 1-10 18" subwoofer performance scale when you take an honest look at the full scope of 18" drivers available.


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post #5 of 7 Old 07-08-2013, 12:42 PM
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Also, what electronics do you have to protect the Dayton below 25hz?

Or conversely, what electronics do you have NOW to boost below 20hz to compensate for the natural roll-off of your sealed box?

Curious, what SPL are you getting now?
and how much extra SPL, would you like to have?
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post #6 of 7 Old 07-08-2013, 01:04 PM
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Shouldn't need a hpf if he isn't listening to music with content below 25hz.
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post #7 of 7 Old 07-08-2013, 03:53 PM
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blue is driver in 5 cubic feet sealed

orange is same enclosure with one 6" x 18" long port
added (4.75 cubic feet tuned to a little under 24hz)

500 watts to each. no filters on either.


Listen. It's All Good.
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