Author Topic: How do you prevent your sub from 'walking'  (Read 5421 times)

Online ronildoq

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Re: How do you prevent your sub from 'walking'
« Reply #75 on: April 15, 2019, 18:59 »
Yea put this after calibration. I don’t think the performance is measurable ... I found that having it sitting on the stacked TOP sub helps. Previously false ceiling rattling sound could be heard. So I can’t push the levels up. With this on I can push the gain up and still don’t hear the false ceiling rattling sound. I can see the TOP stacked subs having better stability and it doesn’t take away the tactile ! This is just with bean bag, imagine if filled with heavier mass like rice or ball bearings or glass marbles

Best tweak for 2019!!  It’s called PID = Particle Impact Damping

Very interesting , gonna get myself some and let it sit on the stacked sub

Wonder if it helps for non stacked subs. Pete mentioned it helps too

Here are some links , can get these and fill it in a nice square pillow to sit above the subs,covered with these materials inside , DIY!

https://m.tb.cn/h.e0WlHiv?sm=b7cb9e

https://s.lazada.sg/s.3sVR

Nice nice nice ! Great sharing Gavin ! Works ! Don’t pull me to DIY path! Lol

Online ronildoq

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Re: How do you prevent your sub from 'walking'
« Reply #76 on: April 15, 2019, 19:04 »
Maybe can look at the 3rd or 4th or higher order harmonic distortion for the subs to see if it improves,  not sure, will find out soon

Offline petetherock

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Re: How do you prevent your sub from 'walking'
« Reply #77 on: April 15, 2019, 20:24 »
Whatever you use, it still needs some mass and loading.. but rice is an interesting idea..
Depending on how light is the sub, vs the power, I’ll suggest a 10kg pack.
Less chance of walking.

Please post instead of sending a pm, so more can learn.

My gear:
http://peteswrite.blogspot.com/2019/04/my-setup-42019.html

Offline winwinc81

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Re: How do you prevent your sub from 'walking'
« Reply #78 on: April 15, 2019, 21:14 »
And so, I took a bag of glutinous rice that my wife uses to make her kueh kueh as weight.. luckily she in a good mood yesterday, all she said was.. "why, so now beside soaking in water, have to massage and shake the rice so that my customer will find the rice nice is it"

Lol anyway jokes aside... This is really interested.. now is have to find something really presentable to weight on top Liao. Had to admit, there is no loss in sub performance in any way

BadEnglish

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Re: How do you prevent your sub from 'walking'
« Reply #79 on: April 15, 2019, 21:39 »
And so, I took a bag of glutinous rice that my wife uses to make her kueh kueh as weight.. luckily she in a good mood yesterday, all she said was.. "why, so now beside soaking in water, have to massage and shake the rice so that my customer will find the rice nice is it"

Lol anyway jokes aside... This is really interested.. now is have to find something really presentable to weight on top Liao. Had to admit, there is no loss in sub performance in any way

Perhaps let your wife do cooking on sub lar. 1 stone shoots 2 birds  ;D

Online ronildoq

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Re: How do you prevent your sub from 'walking'
« Reply #80 on: April 15, 2019, 21:44 »
Lol, I dare not touch the rice! Lol use alternative!

Really interesting experiment and experience

This rice sack thingy definitely won my vote for tweak of the year 2019!

Offline kennyluck2000

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Re: How do you prevent your sub from 'walking'
« Reply #81 on: April 15, 2019, 21:49 »
Lol, I dare not touch the rice! Lol use alternative!

Really interesting experiment and experience

This rice sack thingy definitely won my vote for tweak of the year 2019!

Those stay around Pasir Ris or near the beach can go collect one bag of white sand and put on top the sub.  8)

Online ronildoq

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Re: How do you prevent your sub from 'walking'
« Reply #82 on: April 15, 2019, 22:14 »
Those stay around Pasir Ris or near the beach can go collect one bag of white sand and put on top the sub.  8)

White Sands ! Free !

Offline petetherock

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Re: How do you prevent your sub from 'walking'
« Reply #83 on: April 15, 2019, 23:36 »
Now that we are into tweaks, maybe someone can try a tub of Atabites? Feels like sand, but far heavier... the rice can then go back into the kitchen and go into our tummies...
Please post instead of sending a pm, so more can learn.

My gear:
http://peteswrite.blogspot.com/2019/04/my-setup-42019.html

BadEnglish

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Re: How do you prevent your sub from 'walking'
« Reply #84 on: April 15, 2019, 23:45 »
Big flower pot with soil or rice sticky will do wonder. Actually I think xmas tree will absorb more vibration because of leave structure.  ;D

You won't know until you try , right.

Offline mutant

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Re: How do you prevent your sub from 'walking'
« Reply #85 on: April 15, 2019, 23:55 »
Hmmm.. which type of rice sacks to get? Those vacuum sealed types or those typical loose types?

Offline petetherock

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Re: How do you prevent your sub from 'walking'
« Reply #86 on: April 16, 2019, 00:08 »
Hmmm.. which type of rice sacks to get? Those vacuum sealed types or those typical loose types?
The tight packs won't have much capacity for vibration absorption... they feel like a large brick...
Please post instead of sending a pm, so more can learn.

My gear:
http://peteswrite.blogspot.com/2019/04/my-setup-42019.html

Offline YANG

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Re: How do you prevent your sub from 'walking'
« Reply #87 on: April 16, 2019, 00:11 »
LaoHong type hv better area coverage mah... Vibration can loosen rice grain properties as well. Those solid vacuum seal type sibeh hard to bear thru vibrations, and will tend to move and fall easily.

Online ronildoq

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How do you prevent your sub from 'walking'
« Reply #88 on: April 16, 2019, 08:19 »
Now that we are into tweaks, maybe someone can try a tub of Atabites? Feels like sand, but far heavier... the rice can then go back into the kitchen and go into our tummies...

Hahaha ! Indeed !

I saw some nice sandbag, 20kg ones, you can actually use it to exercise, then put it back to rest onto the subs when u r done with exercise , not a bad idea , covered nicely.

There is also some nylon sandbag like the ones below, they use it to hold the goal post


 
You can further fill it in with other materials like ball bearing and glass marbles etc



Sent from my iPhone using Tapatalk
« Last Edit: April 16, 2019, 08:22 by ronildoq »

Offline ralfale

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Re: How do you prevent your sub from 'walking'
« Reply #89 on: April 16, 2019, 10:19 »
Lazada sandbag seller will be wondering why sales vol suddenly went up :D

That's the reason why i always prefer dual opposed sub design. Vibration control is so much better.