LS50 and Big Fat Dots

Nothing personal, just expressing my opinion. Which actually supports the idea that spikes and cones are acting like diodes.

Herbies Fat Dots are a composite, much different than plain Sorbothane.
I use 8 under my Totem Model 1 Signatures on lead/sand loaded Target stands and they are a significant difference .

Max Townshend has a 25 minute video on You Tube discussing the topic of vibration and it's effect on hi-fi (he has done a lot of research on the subject, and is considered an authority in the field). In it he covers spikes, and states as fact that they are just as efficient at transmitting vibration up them as down. The video is definitely worth 25 minutes of your life.

Max makes a great isolation product, the Seismic Pod. Unfortunately, it costs about $200 for one, and you need a minimum of three for any item placed on them. A set of six (three per speaker) will cost you almost as much as the LS-50's, eight more than the speakers!

I used to like Herbie's footers as they worked wonderfully under my components in the past. It was when I got my Marantz Reference gear that it all sounded better without them. With my first and present pair of monitors I tried the ones recommended for speakers and to be honest about it, my monitors sounded better without them, sitting directly on their maple stands. There is more focus, detail, tautness and extension without them.

I'm presently awaiting delivery of some 22 gauge stainless steel sheets to insert between the monitors and the stands that have the same dimensions as the bottom of the speaker to see if this can be a poor man's Symposium Shelf.

After reading Bdp24's post on the Ingress Audio roller blocks, I just may try them if the stainless steel sheets don't further the improvements that placing the speakers on a harder surface does.

And I thought I was done with all of this. :-)

All the best,
Nonoise

Spikes are not mechanical diodes unless they are conical in shape. Cones are mechanical diodes as are spikes that look like cones. That's why when you flip the cones upside down - with points up - the system sounds worse. Hel-loo!