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Re: The king of tweaks???

Posted by kenster (A) on May 7, 2007 at 18:24:57

In Reply to: The king of tweaks??? posted by mattcecil1@yahoo.com on May 7, 2007 at 17:35:27:

"Its pretty easy to prove just how detrimental it is to mate your speakers to a poured concrete sublfoor via factory spikes..this instantly leads to awful treble performance. you just have to listen..."

I have been spiking my speakers to the concrete slab for years now and always find an improvement over just setting them on the carpet although as i mentioned, it has led to an overbright/peaky treble in the past and the cause was AC related. Once that was resolved though, treble was sweeter than maple syrup :-)

I think the key words in your statement though are
"via factory spikes". I have my main speaker on short sand filled stands which R spiked to the concrete albiet the spikes are more like cones with a solid/machined construction and the stands have vibration absorbers applied to them via my own proprietary configuration.

One could also put an interface between the spikes and the concrete floor to change the vibration transmission characteristics such as the products from Walker Audio which I want to try but have more pressing system priorities at the moment.

One also needs to remember that if the speaker spikes do not make intimate/solid contact on the concrete, whether this is due to a light speaker or poor spike interface, this can add a haze to the sound as the speaker is vibrating on the spike tips and this in turn resonates up into the speaker enclosure. This is one of the reasons that adding weight to the speaker enclosure has the effect of sharpening the image focus.

It's good to be king......LOL :-)

Cheers,

~kenster

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