How put spikes on hevy speakers (N802)?

[tmt]

Hello,

We are going to change the floor from carpet to a wooden floor. My N802's (the non-diamond ones) have always been on the casters, but with the change to wood I want to avoid damange and put the speakers on spikes with protective underside (like those superspikes from soundcare: http://www.soundcare.no/).
I have 2 questions:
Does anyone know the thread size of the N802 speaker? I can't find it online. Should be M8 (metric) or something?
How do you attach spikes on speakers this heavy? You can't lay them down because they are simply too heavy to pick up again? My first thought it to put them on a piece of wood that is narrow enough that the holes are high enough above the floor to screw in the spikes?

[TomScrut]

I think my 803s threads are M8 although I could be wrong. If you look up the instructions for your speaker I think they tell you how to install the spikes

[aarsoe]

Don't believe there is a tread size as such. I had to remove my casters and inert new models for the original B&W spikes. My are newer ones but believe the system is the same. So in other words I don't believe you can use something else than the ones made by B&W.. Do a quick google search and a find an image. That will make it quite clear..

[aarsoe]

Don't believe there is a tread size as such. I had to remove my casters and inert new models for the original B&W spikes. My are newer ones but believe the system is the same. So in other words I don't believe you can use something else than the ones made by B&W.. Do a quick google search and a find an image. That will make it quite clear..

On the how to install part of the question then you will need to lay them down on their side. I normally use a couple of pillows to put under. They are quite easy to get back up again do to the physics involved (think math and leverage).

[windshear]

Your answers are here. http://bwgroupsupport.com/manuals/bw...tilus800Series

Just download the N802 service manuals. It refers to an M8 thread. Did you never get the spike kit with your speakers? When I removed my castors from my 800Di I just put some books underneath with a slight tilt on the side I was removing as the extra clearance underneath made it easier to remove the screws.

[tmt]

Your answers are here. http://bwgroupsupport.com/manuals/bw...tilus800Series

Just download the N802 service manuals. It refers to an M8 thread. Did you never get the spike kit with your speakers? When I removed my castors from my 800Di I just put some books underneath with a slight tilt on the side I was removing as the extra clearance underneath made it easier to remove the screws.

I already went to that site, but I only looked at the user manual, not the service manual ops: ops:
But I must be blind, because I can't find that reference to M8 in the service manual? Where is it written?
On page 22 there is a drawing of a spike, I see M10x1.5p

So anyway I have to remove the casters to insert other spikes. Maybe I'll try the "books under speaker" approach because I dread the thought of putting the speaker on it's side, well more the getting it back on it's feet when it's spiked, it will lean on 2 spikes when you are tilting it, no?

[mjb]

They're actually not that bad to lift back up, thanks to the heavy base. Put one hand on the rear isolator, and the other on the side of the head, and lift! I'd put a piece of scrap wood under the spikes while you lift it, and then rock the speaker left and right to take the wood out again. You might want to sit the speakers on a big slab of granite to protect the floor.

[windshear]

Ooops I don't know where I came up with that M8 thread, somehow it must have stuck reading your first post. Before we go any further I want to find out do you have the original spike kit from B&W?

[tmt]

Ooops I don't know where I came up with that M8 thread, somehow it must have stuck reading your first post. Before we go any further I want to find out do you have the original spike kit from B&W?

nope, I don't have that kit. Maybe I can ask B&W, but their spike kit is not for hardwood floors?

[windshear]

From what I see you will need a spike kit. Im not sure if the newer 800Di and 800D series spike kits are compatible with the older ones, but they are reversible, with a spike one side and rubber on other side. The problem is if you remove the casters you cannot just use a threaded superspike. You need the adaptor plate/coupling which fits into the removed cavity where the casters were in. This adaptor does have a M10x1.5p thread, but im sure you will not be able to find a separate adaptor plate.

[tmt]

Update: I called B&W again and indeed you need the spike kit from B&W. The new spike kit for the D series is compatible, but unfortunately it's not free with my version though (only starting from the D version) :cry:

So for the moment I improvised and as I've seen on the internet I put the speakers on 2 bluestones tiles that were leftovers from the terrace (with some felt underneath)
Luckily the size is perfect :T
If I find a second hand spike kit I can swap but for now the wooden floor is safe :P
Some pics:

[PewterTA]

It looks good! I like seeing the speakers up on anything!

Has the sound changed at all for you since you put them up on there?

[aarsoe]

you could also get something like this..

http://www.hifi-phono-house.com/Platforms-Base/LS-Bases/SSC-Base-NT-802-BW-Nautilus-Black--13292.html

[mjb]

Update: I called B&W again and indeed you need the spike kit from B&W. The new spike kit for the D series is compatible, but unfortunately it's not free with my version though (only starting from the D version) :cry:

So for the moment I improvised and as I've seen on the internet I put the speakers on 2 bluestones tiles that were leftovers from the terrace (with some felt underneath)
Luckily the size is perfect :T
If I find a second hand spike kit I can swap but for now the wooden floor is safe :P
Some pics:

That looks perfect - and a bet your floor breathed a sigh of relief too! Did you notice any difference in sound?

[tmt]

That looks perfect - and a bet your floor breathed a sigh of relief too! Did you notice any difference in sound?

It looks good! I like seeing the speakers up on anything!

Has the sound changed at all for you since you put them up on there?

Well, not that much I must admit. I have the impression the bass goes a bit deeper.
Room acoustics are not 100% ok for the moment, the back wall is completely empty, we still need a cupboard (is this the correct word? ) with books and stuff to stop the echoes. Will also double as storage space for the wife
The curtains behind the speakers already do a good job to mute the echoes. Maybe it's time for some pics as we finally got rid of the awful carpet

[crytklmass]

My 802D spikes have a harder surface on the other side I can use. Spikes on 1 side, harder rubber material on the other. I thought they were all the same. I put a couple pillows on the floor and slowly laid them down. Removed the casters and put the spikes on, soft side down.