Confirmed : PC Damping

[PeterSt]

Juan,

Now drill some 2mm holes in them. Take the down-right one as example. One hole in the exact middle (from top to bottom) and two pairs from the the left-under side (as you see it in the picture). Say 1cm from the side edges.

Of course you make three of these footers. Put under your NOS1a and not under the footers you have there (next to them or remove the footers if you can).

Start out with positioning them all the same. Listen a bit, get a little crazy perhaps and now twist one 90 degrees.

Whether the "one hole" is from top to bottom or at the side, pick your own idea about it. As how you have them (not real cubes) you have one additional option only so you don't need a beer *that* fast. But if you'd had cubes ...

Have fun.
Peter

[juanpmar]

Peter, before downing the first beer I have to have some things clearer, otherwise it is going to be really difficult to know what I'm doing 

Ok, I take the piece down right on the previous picture to use as an example. I make a hole in the center and two holes on the side (see photos). Is that what you say? The question is, why the holes?, are they just to remember the position or have any special effect on the sound?

Juan

[PeterSt]

Exactly like that Juan.
And of course it is about the sound. And as I see you have a million of these, so you can even compare to those without the holes. Don't ask me whether those ink/pencil spots will make a difference.


Regards,
Peter

[christoffe]

Don't ask me whether those ink/pencil spots will make a difference.

Hi,

I'm sure, they do!

Joachim

[juanpmar]

Don't ask me whether those ink/pencil spots will make a difference.


Regards,
Peter

This does depend on the amount of beer for sure

 

Juan

[PeterSt]

I can't say that I am happy with this bamboo sound;

I only tried the large cutting board so far (under NOS1a, the one under PC was removed after one day already).

Envision raw bamboo in its thicker (older) form. If you tick on it with a finger nail there is a certain sound bouncing from it. Well, that is how the music seems to sound now. But as usual hard to explain.

I can summarize it in one very small sentence : Explicitly digital.
Or maybe poor W8 sound ^2.

The latter would be my description from 3 days not being able to find anything that produces music as such. So about old W8 nasty habbit : Robots^2.

Now I may wonder how others perceive good results (not seen on our own forum yet).
Also, if I see/feel the material I wouldn't say at all that it can be any good. It is too plain hard. Next, because it is so hard, how can it damp in good fashion. And if I envision the fiber-like structure (but look at the raw bamboo) then I'd say it isn't even organized in a fashion I would like. It would be resonating within itself ...

Maybe it is personal and it can well be that it highly depends on the situation as I have it, but 3 annoying evenings is enough for me. So out it will be.

Peter

[juanpmar]

Maybe some blu-tack used as footers could help to damp the bamboo board

Juan

[christoffe]

Hi,

when I have a look to the rack from Roy Gregory, I see some little soft pads glued on the metal "frame".

Joachim

[juanpmar]

I used an Exoteric Rack from Artesania Audio, the tandem one, although not right now because I have not room enough. This rack is composed of two racks, one is suspended inside the other one. The system components are also suspended in small arms terminated on footer pads. It is a kind of floating system and of course can be used also with platforms or boards. What I mean is that it is necessary the combination of different isolation systems to get a really well isolated system.
Now, with the bamboo boards, could be that the board itself be a good isolating platform but maybe needs some other elements to perform really well. Among the accessories that I also use often are the dampers (see pic), I´ll try them also with the bamboo boards and see what happens.

A.A. web: http://www.artesaniaaudio.com/

A.A. Racks: http://www.artesaniaaudio.com/images/artesania_english/catalogos/EXOTERYC%20RACK.pdf

A.A. Dampers, platforms, etc: http://www.artesaniaaudio.com/images/artesania_english/catalogos/accesories.pdf

Juan

[christoffe]

www.artesaniaaudio.com/images/artesania_english/catalogos/accesories.pdf

Juan

Hey Juan,

this is a SOTA rack, great!

The no. 10) isolation discs might be/is a starting basis.

Joachim

[juanpmar]

www.artesaniaaudio.com/images/artesania_english/catalogos/accesories.pdf

Juan

Hey Juan,

this is a SOTA rack, great!

The no. 10) isolation discs might be/is a starting basis.

Joachim

Yes Joachim, this Artesania Audio are really first class. The isolation discs you mention have a slit where goes the spike but could be placed directly on a board. However it is important to see the system as a whole. In the case of the bamboo boards if I woud use some kind of damper I´d use the metal discs with a felt underneath (Dampers from A.A.)

Another home made solution that I have used successfully with other Ikea boards is to place between two boards several Allsop Mouse Pad covering the entire surface, that way there is a layer of rubber between the two boards that serves as a damper. You can also try it between the two bamboo boards.

Allsop Mouse Pad: http://www.amazon.co.uk/Allsop-Raindrop-Mouse-Pad-Black/dp/B00I5MQOO6/ref=sr_1_6?ie=UTF8&qid=1423228461&sr=8-6&keywords=Allsop

Juan

P.S. For those going to Munich High End 2015 make you a favor and take a look to Artesania Audio wherever they are https://www.youtube.com/watch?v=3cBX0CjcP1g

[christoffe]

Another home made solution that I have used successfully with other Ikea boards is to place between two boards several Allsop Mouse Pad covering the entire surface, that way there is a layer of rubber between the two boards that serves as a dumper. You can also try it between the two bamboo boards.

Allsop Mouse Pad: http://www.amazon.co.uk/Allsop-Raindrop-Mouse-Pad-Black/dp/B00I5MQOO6/ref=sr_1_6?ie=UTF8&qid=1423228461&sr=8-6&keywords=Allsop

Juan

 

[christoffe]

Here is something similar to Peters idea- floating platforms -

found here:
http://www.barrydiamentaudio.com/vibration.htm

---------------------
Roll your own

In order to provide a means of sampling what seismic isolation can do for your system, what follows are instructions for making your own equipment supports.  Items 3, 6, 7 and 8 pertain to roller bearings.  These can be used without air bearings to provide horizontal and rotational isolation only.  Air bearings can be used to provide vertical isolation only, as in those commercial racks and platforms which use air bearings.  Best results however, will be attained by using a combination of these to achieve multiple-axis seismic isolation.

1. Get yourself a bicycle tire inner tube for about $1.99.  I use 18" inner tubes.  The larger the circle described by the inner tube, the easier it is to balance the gear atop it.

2. Obtain a piece of plywood an IKEA board to use as a platform on top of the inner tube.  I use 1" maple ply measuring 20" by 20".

3. Go to a crafts store and purchase 3 wooden, usually pine, Easter egg holders and some marbles for a total of less than $2.

4. Place the inner tube on your shelf.  Inflate it only enough to hold the component up off the shelf.  Too much air and you won't get the benefits.

5. Place the plywood on top of the inner tube.

6. Place the three Easter egg holders on the plywood platform in the largest equilateral triangle that will fit under the gear you are going to support.  I suggest trying your CD player first, though the benefits will add up as you float your other components as well.

7. Place a marble, or even better, a ½" steel ball bearing, in each of the Easter egg holders.

8. Carefully place your component atop the marbles, so they alone support it, holding it up so its own feet do not make contact with the plywood platform.

Joachim

EDIT: The main idea is to get the vibrations into the IKEA board.

[juanpmar]

Ok Joachim, now this  is for you.

May I help? Here you go:

Continuing with Ikea products (I think we deserve some discount on the next purchase) here is the possible egg holder: http://www.ikea.com/gb/en/catalog/products/60209474/

And the steel ball bearing: http://www.ebay.com/itm/10mm-Diameter-Grade-100-Hardened-AISI-420-Stainless-Steel-Ball-Bearings-/131408860399?pt=LH_DefaultDomain_0&var=&hash=item1e989414ef

 

Juan

[juanpmar]

I've seen too late you've crossed the egg cup and the balls of steel

Juan