15" Dayton HF with Dayton 240W amp. Good for sub 20hz? - AVS Forum
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post #1 of 52 Old 12-20-2009, 07:34 PM - Thread Starter
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Anyone got an idea? Thanks.
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post #2 of 52 Old 12-20-2009, 07:40 PM
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SVS PB-10 or eD A3-300 or HSU VTF-2 MK

Might be slightly over budget but worth the little extra coin.

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post #3 of 52 Old 12-20-2009, 07:53 PM - Thread Starter
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Originally Posted by jpmst3 View Post

SVS PB-10 or eD A3-300 or HSU VTF-2 MK

Might be slightly over budget but worth the little extra coin.

Err, isn't this the DIY section? Do you not recommend a DIY subwoofer?
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post #4 of 52 Old 12-20-2009, 08:11 PM
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does this budget need to include the amplifier?

also, how loud do you need the sub-20Hz to be?
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post #5 of 52 Old 12-20-2009, 08:18 PM - Thread Starter
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Originally Posted by ruttenjump View Post

does this budget need to include the amplifier?

also, how loud do you need the sub-20Hz to be?

I'm not going to be having earth shattering SPL. Just average. Mainly Movies and TV.

I was looking at the Dayton 240W amp, a Dayton 15" HF and a box.


What do you think?
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post #6 of 52 Old 12-20-2009, 10:20 PM - Thread Starter
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Eh!!?!?

The 240w is on sale for $100. I don't know if I should buy it. Thanks guys!
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post #7 of 52 Old 12-20-2009, 10:51 PM
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I really wouldn't try to design it around <20hz capability unless you plan on going with two. I'd optimize it for as much output as you can >20hz with just one, as this driver can't displace a whole lot of air.
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post #8 of 52 Old 12-20-2009, 11:02 PM - Thread Starter
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Originally Posted by SteveCallas View Post

I really wouldn't try to design it around <20hz capability unless you plan on going with two. I'd optimize it for as much output as you can >20hz with just one, as this driver can't displace a whole lot of air.

Is there a driver that could?

Also, is 240W enough?
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post #9 of 52 Old 12-21-2009, 12:11 AM
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There is a build at "The HomeTheaterShack" with the 15" Dayton HF and a 300 watt Bash amp. The builder stated:

"Watched The Incredible Hulk and Transformers and all I can say is "Wow". I thought the Hulk was tearing through our house."
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post #10 of 52 Old 12-21-2009, 12:53 AM
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If nothing else buy that amp for $100 you cant beat that. Its a pretty good little amp. It wont fold your laundry or make you coffee like some of the other amps out there but it gets the job done. The dayton HF 15" that your referring to might be a little under powered with only 240watt. I would go with a 500watt amp with that or bigger. Look at the dayton DVC that sub with a 240watt amp would be good. Download WinIsd and play with it so you can see what the differences between the 2 outputs would be vs. the cost aspect.

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post #11 of 52 Old 12-21-2009, 01:15 AM - Thread Starter
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Quote:
Originally Posted by Uklit View Post

There is a build at "The HomeTheaterShack" with the 15" Dayton HF and a 300 watt Bash amp. The builder stated:

"Watched The Incredible Hulk and Transformers and all I can say is "Wow". I thought the Hulk was tearing through our house."

Link?
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post #12 of 52 Old 12-21-2009, 02:26 AM
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my last sub was a 12 Dayton Ref and that 240 watt plate amp. 6cf box tuned to 20hz, I measured max 104db at 20hz before clipping in room at 3 meters (listening position)
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post #13 of 52 Old 12-21-2009, 01:55 PM
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Originally Posted by Something_Soft View Post

Eh!!?!?

The 240w is on sale for $100. I don't know if I should buy it. Thanks guys!

Is this still on sale? Can't find it...?

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post #14 of 52 Old 12-21-2009, 04:40 PM
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It was a one day sale, yesterday 12/20/2009
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post #15 of 52 Old 12-21-2009, 07:49 PM
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Is there a driver that could?

Absolutely. Exodus Audio Maelstrom X, FiCar Q18, Mach5 IXL 18, Tempest X, CSS SDX15, etc.
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post #16 of 52 Old 12-21-2009, 10:32 PM - Thread Starter
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Quote:
Originally Posted by SteveCallas View Post

Absolutely. Exodus Audio Maelstrom X, FiCar Q18, Mach5 IXL 18, Tempest X, CSS SDX15, etc.

So many options. The Dayton HF will not do the job for under 20hz?

FiCar Q18 is the most I'd spend. Is there something that is better and cheaper? The Dayton 15" HF is only $150.
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post #17 of 52 Old 12-21-2009, 10:40 PM
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You have to decide how much you want to spend, and how much room you will give up to your sub. You also need to know about how much SPL you are going to need.

Once you have these three things worked out you will have an easier time sorting through all the help.
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post #18 of 52 Old 12-21-2009, 11:25 PM - Thread Starter
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Originally Posted by soho54 View Post

You have to decide how much you want to spend, and how much room you will give up to your sub. You also need to know about how much SPL you are going to need.

Once you have these three things worked out you will have an easier time sorting through all the help.

I want the driver to be around $200 or less, but if someone convinced me otherwise I might change my mind. The SPL will just be normal, nothing outrageous. I have a feeling I might get the bash 500w just in case.

I really want extension down to at least 15hz, but I know that might not be possible. Oh well. Nice to dream though, eh?
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post #19 of 52 Old 12-22-2009, 01:36 AM
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$200... the RS 15" can do that. What size enclosure can you live with? The HiFi version likes a good 300liters, to dive that low.

300-325L say 36" x 24" x 24" external with a 6' dia port ~29" long. This will put you in the 14Hz range, with a roll off that should get you flat to below 10Hz in most rooms. About 200w at 4ohms should be enough that the wife will complain way before you run it dry. The Behringer A500 will work.

I would skip the highpass. If you just have to use one go ≤10Hz.
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post #20 of 52 Old 12-22-2009, 10:02 PM - Thread Starter
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Originally Posted by soho54 View Post

$200... the RS 15" can do that. What size enclosure can you live with? The HiFi version likes a good 300liters, to dive that low.

300-325L say 36" x 24" x 24" external with a 6' dia port ~29" long. This will put you in the 14Hz range, with a roll off that should get you flat to below 10Hz in most rooms. About 200w at 4ohms should be enough that the wife will complain way before you run it dry. The Behringer A500 will work.

I would skip the highpass. If you just have to use one go ≤10Hz.

What is RS 15?
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post #21 of 52 Old 12-22-2009, 10:33 PM
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Sorry,

Dayton RSS390HF-4 15" Reference HF Subwoofer

It's part of the Dayton Reference Series line of products.

I thought this was the driver you were inquiring about.
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post #22 of 52 Old 12-22-2009, 10:36 PM - Thread Starter
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Originally Posted by soho54 View Post

Sorry,

Dayton RSS390HF-4 15" Reference HF Subwoofer

It's part of the Dayton Reference Series line of products.

I thought this was the driver you were inquiring about.

lol I fiugred that out I'm a moron. Thanks for the link.

Will it sound weird that I get less DBL in the sub 20hz range as opposed to above 20hz?
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post #23 of 52 Old 12-22-2009, 11:02 PM
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If you look at simulations you will see an SPL roll off as the frequency gets lower with every driver. You have to remember that the sims are set up as a sub sitting in the middle of a parking lot. Things in-room are a lot different, due to the lower wave bouncing around the room.

I have two of the subs I suggested to you. In my old room I was flat at my listening position until single digits. In my new home the response is boosted higher and higher starting at ~25Hz.

If you want to experience infrasonics, this setup will do it. It's roll off is perfect to mate up with most rooms to give you flat FR in-room the easy way.
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post #24 of 52 Old 12-22-2009, 11:12 PM - Thread Starter
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Originally Posted by soho54 View Post

If you look at simulations you will see an SPL roll off as the frequency gets lower with every driver. You have to remember that the sims are set up as a sub sitting in the middle of a parking lot. Things in-room are a lot different, due to the lower wave bouncing around the room.

I have two of the subs I suggested to you. In my old room I was flat at my listening position until single digits. In my new home the response is boosted higher and higher starting at ~25Hz.

If you want to experience infrasonics, this setup will do it. It's roll off is perfect to mate up with most rooms to give you flat FR in-room the easy way.

Cool! You're awesome!

I hear the Dayton HF is great in sound quality. Are there any better sounding ones in that range?

I'm going to hire someone through craigslist to build the box for me as I have no tools. I hear you need bracing and all that kind of stuff. Is there a guide for bracing? The WinISD was in the metric system. Do you know of a box calculator that is in standard? I kind of want a pillar. Should be fun.
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post #25 of 52 Old 12-22-2009, 11:58 PM
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I would just caution that you will probably drive a single such subwoofer to it's limits fairly early in it's lifetime and be left wanting more spl. People tend to listen louder and louder when they get a taste of decent gear.

On the other hand, with that plate amp, you may not ever know when you are clipping, so you could just suffer a bunch of compression during dynamic peaks and be none the wiser.
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post #26 of 52 Old 12-23-2009, 12:19 AM - Thread Starter
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Originally Posted by SteveCallas View Post

I would just caution that you will probably drive a single such subwoofer to it's limits fairly early in it's lifetime and be left wanting more spl. People tend to listen louder and louder when they get a taste of decent gear.

On the other hand, with that plate amp, you may not ever know when you are clipping, so you could just suffer a bunch of compression during dynamic peaks and be none the wiser.

I was thinking about going with either a bash 300w or 500w. Would that help?

Any other recommendations for really high quality subs? I'm seriously not a bass guy. I'm a bass guy as much as I am a mid or highs. I just want to play the media accurately and hear the low notes you are suppose to hear. I don't want the bass to overpower the speakers. I feel a good subwoofer should be loud enough to hear it, but not stick out so you feel like you pay too much attention to the bass.

Right now I have an Infinity PS-12 and am satisfied in pretty much every angle except the low notes. I don't have it that loud either.
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post #27 of 52 Old 12-23-2009, 12:23 AM
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post #28 of 52 Old 12-23-2009, 12:30 AM
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I just want to play the media accurately and hear the low notes you are suppose to hear. I don't want the bass to overpower the speakers. I feel a good subwoofer should be loud enough to hear it, but not stick out so you feel like you pay too much attention to the bass.

Having capability doesn't mean it will play louder than everything else - if calibrated properly, every part plays its role. It's when you come across some dynamic bass scenes where a sub that isn't capable will crap out on you and a capable one will shine through.

If you are satisfied with your Infinity and just want better quality and lower frequency capability, then a single Dayton HiFi 15 will be more than enough.
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post #29 of 52 Old 12-23-2009, 01:06 AM - Thread Starter
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Originally Posted by SteveCallas View Post

Having capability doesn't mean it will play louder than everything else - if calibrated properly, every part plays its role. It's when you come across some dynamic bass scenes where a sub that isn't capable will crap out on you and a capable one will shine through.

If you are satisfied with your Infinity and just want better quality and lower frequency capability, then a single Dayton HiFi 15 will be more than enough.

I love the subwoofer in your background that is clearly like 8" feet tall, lol. What kind of speakers are those? They look nice.
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post #30 of 52 Old 12-23-2009, 04:33 AM
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Quote:
Originally Posted by Something_Soft View Post

I want the driver to be around $200 or less, but if someone convinced me otherwise I might change my mind. The SPL will just be normal, nothing outrageous. I have a feeling I might get the bash 500w just in case.

I really want extension down to at least 15hz, but I know that might not be possible. Oh well. Nice to dream though, eh?

You are not going to get clean extension down to 15Hz when spending $200 on a driver and buying any amp that is below 500Watts. For its price tag the Dayton subwoofer is okay but its nothing to right how about. The Shivas when their were on sale would have been the choice but that sale is gone

If you really want 15Hz performance then I would recommend $500 total on the AV15H/EP1500 combo, put it in a 10 cuft ported box but maybe you should focus on 20Hz performance?

Sometimes sales exist on great woofers and that is the time to get the great deals, I do not know of any at this time.

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