DIY Subwoofer Risers - Page 36 - Blu-ray Forum

Riff Magnum · 09-12-2009, 10:20 PM

Right, but what's the main reason to detach them from the floor? Is it for tighter bass, or to lessen floor vibrations, etc?

crazyBLUE · 09-12-2009, 10:25 PM

Quote:

Originally Posted by sunnyny2000

My cylinder is 40" tall. On the riser, the total height is now 45".

The reason I asked is I have my subs stacked on there own risers & the bass in my room is way cool with the sub high . The top of the upper sub is 55 inches !

crazyBLUE · 09-12-2009, 10:32 PM

Quote:

Originally Posted by Riff Magnum

Right, but what's the main reason to detach them from the floor? Is it for tighter bass, or to lessen floor vibrations, etc?

I think it more to prevent interaction with the floor , Have you seen the spikes you can get for speakers , Same thing I think !

sunnyny2000 · 09-12-2009, 11:02 PM

Quote:

Originally Posted by crazyBLUE

The reason I asked is I have my subs stacked on there own risers & the bass in my room is way cool with the sub high . The top of the upper sub is 55 inches !

Oh man, I just hope you live in a place where there's not much earthquakes

!

crazyBLUE · 09-12-2009, 11:10 PM

Quote:

Originally Posted by sunnyny2000

Oh man, I just hope you live in a place where there's not much earthquakes

!

Me too , If that falls over I have 7 towers that will join it I am sure !
Actually it is vary sturdy !

Big Daddy · 09-12-2009, 11:20 PM

Quote:

Originally Posted by Riff Magnum

I see some people use risers for their fronts as well. Is this to improve bass response or get their tweeters closer to ear level, or both?

Both of the above as well as isolating the speakers from the floor interactions and vibrations.

Big Daddy · 09-12-2009, 11:31 PM

Quote:

Originally Posted by sunnyny2000

Your round riser looks very nice. I spent most of the day building a couple of risers for my subs. I wanted to build a round one for my pc12-plus, but couldn't find a round cutting board at my nearest target, bed bath or home depot.

You did not look hard enough. Home Depot sells pre-cut round table tops. They come in two sizes. I bought two of the larger ones for my Hsu cylindrical subwoofers. You can find additional information in Post #1.

These are the wooden tops. The diameter of each one is 24" to accommodate the 23.5" diameter of the Hsu subs.

These are the attached legs. The length of each leg is 6".

sunnyny2000 · 09-12-2009, 11:49 PM

Quote:

Originally Posted by Big Daddy

You did not look hard enough. Home Depot sells pre-cut round table tops. They come in two sizes. I bought two of the larger ones for my Hsu cylindrical subwoofers. You can find additional information in Post #1.

I've looked for these over an hour. Maybe that particular branch did not have them. I also looked around for the pre-cut legs. Couldn't find them either. So I got a long 2X4 and manually cut it @ 4" pieces

. It was a lot of work, but its worth the effort

.

Riff Magnum · 09-13-2009, 12:44 AM

Hey Big Daddy- If someone were to try and emulate the design of those ASC basstraps, what would you think it would be a good idea to fill the inside with. I have the room so i'm thinking about building something tall (18-24") for my M&K.

Big Daddy · 09-13-2009, 12:46 AM

Quote:

Originally Posted by sunnyny2000

I've looked for these over an hour. Maybe that particular branch did not have them. I also looked around for the pre-cut legs. Couldn't find them either. So I got a long 2X4 and manually cut it @ 4" pieces

. It was a lot of work, but its worth the effort

.

All the Home Depot and Lowes stores in our area have them. Ask one of the associates for pre-cut table tops and table legs.

crazyBLUE · 09-13-2009, 01:01 AM

Quote:

Originally Posted by Riff Magnum

Hey Big Daddy- If someone were to try and emulate the design of those ASC basstraps, what would you think it would be a good idea to fill the inside with. I have the room so i'm thinking about building something tall (18-24") for my M&K.

I know this is for Big Daddy

But here is what I did Riff .

https://forum.blu-ray.com/showpost.p...&postcount=506

Fors* · 09-13-2009, 01:01 AM

I'm with Big Daddy, go to the area where they sell the moulding, and you should find both the legs, attachments and the "table tops" to use for your platform. You can see in my gallery what I used for my cylinder sub-riser.

erict · 09-13-2009, 02:39 AM

Quote:

Originally Posted by forsberg21

erict, I built a sub-riser for my SVS PC12-NSD sub and there are pics in my gallery of what I used and how I did it for my cylinder sub. For the platform, I used an 18" wide cutting board. The rest is basically the same as any DIY sub-riser.

Yes, I have seen and know about the the table tops but I just wanted to try to utilize what I have first. If it does not work out I will build a new one for the SVS.

Riff Magnum · 09-13-2009, 03:01 AM

Quote:

Originally Posted by crazyBLUE

I know this is for Big Daddy

But here is what I did Riff .

https://forum.blu-ray.com/showpost.p...&postcount=506

That's pretty much exactly what i was looking for. Thanks Crazy.
BTW, what was the reasoning for cutting a square in the top board. Just curious.

crazyBLUE · 09-13-2009, 03:07 AM

Quote:

Originally Posted by Riff Magnum

That's pretty much exactly what i was looking for. Thanks Crazy.
BTW, what was the reasoning for cutting a square in the top board. Just curious.

The bass port is in the bottom of the sub that sits on it . This way anything coming from the port is going into the foam & not coming from under the sub ! IMO it helps with the sound of the sub !

Riff Magnum · 09-13-2009, 04:35 AM

My sub has 2 12" woofers, one down firing and one front firing. I guess i should probably abide the same concept, huh?

crazyBLUE · 09-13-2009, 04:44 AM

Quote:

Originally Posted by Riff Magnum

My sub has 2 12" woofers, one down firing and one front firing. I guess i should probably abide the same concept, huh?

As far as the front firing if the bass port is on the BTM yes on how I made mine ! Down fireing I would leave the upper piece solid without the slot !

Big Daddy · 09-13-2009, 04:48 AM

Quote:

Originally Posted by Riff Magnum

My sub has 2 12" woofers, one down firing and one front firing. I guess i should probably abide the same concept, huh?

M&K MX-125 uses a pair of drivers in push-pill configuaration. Push-pull design is said to reduce distortion and move twice as much air, allowing 6dB+ of additional output. The same principle of risers apply to the MK subwoofer.

slickooz · 09-13-2009, 03:21 PM

hi guys im read first 10 pages and im in a rush to go to homedepot and was wondering 3 inch riser enuogh or should i make it 4-6 inches?. also do i need anything else then polyfill foam? to put under it? i have a aahd10 will it really improve the performance? good thing my dad a carpenter there lots of wood in the garage and tools. what esle do i need beside carpet and foam?

erict · 09-13-2009, 03:30 PM

Quote:

Originally Posted by slickooz

hi guys im read first 10 pages and im in a rush to go to homedepot and was wondering 3 inch riser enuogh or should i make it 4-6 inches?. also do i need anything else then polyfill foam? to put under it? i have a aahd10 will it really improve the performance? good thing my dad a carpenter there lots of wood in the garage and tools. what esle do i need beside carpet and foam?

While both of mine are 3-4 inches high you will yield better results making them 4-6 inches tall. Not a huge difference but if you have the room go for it. Carpet, wood, foam, legs, spray adhesive and screws and thats about it. Have fun building it

And the most important thing is pics when you are done

09-13-2009, 03:21 PM	#719
slickooz Senior Member Member since:Aug 2009 Home Theater Gallery:16 Blu-ray collection:99 Blu-ray reviews:4	Help!! hi guys im read first 10 pages and im in a rush to go to homedepot and was wondering 3 inch riser enuogh or should i make it 4-6 inches?. also do i need anything else then polyfill foam? to put under it? i have a aahd10 will it really improve the performance? good thing my dad a carpenter there lots of wood in the garage and tools. what esle do i need beside carpet and foam?

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09-12-2009, 10:20 PM	#701
Riff Magnum Blu-ray Samurai Member since:Apr 2008 Location:The Island Blu-ray collection:149	Right, but what's the main reason to detach them from the floor? Is it for tighter bass, or to lessen floor vibrations, etc?

09-13-2009, 12:44 AM	#709
Riff Magnum Blu-ray Samurai Member since:Apr 2008 Location:The Island Blu-ray collection:149	Hey Big Daddy- If someone were to try and emulate the design of those ASC basstraps, what would you think it would be a good idea to fill the inside with. I have the room so i'm thinking about building something tall (18-24") for my M&K.

09-13-2009, 01:01 AM	#712
Fors* Moderator Top ranked HT gallery Top contributor Member since:Jan 2009 Location:Pottstown, PA Home Theater Gallery:160 4K collection:12 Blu-ray collection:142 Trading Score:11	I'm with Big Daddy, go to the area where they sell the moulding, and you should find both the legs, attachments and the "table tops" to use for your platform. You can see in my gallery what I used for my cylinder sub-riser.

09-13-2009, 04:35 AM	#716
Riff Magnum Blu-ray Samurai Member since:Apr 2008 Location:The Island Blu-ray collection:149	My sub has 2 12" woofers, one down firing and one front firing. I guess i should probably abide the same concept, huh?

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