SVS SoundPath Subwoofer Isolation Feet

I like to have these feet around to play with on various speakers/subs and I even put them under an AV cabinet. I just bought two new sets and noticed they’re SIGNIFICANTLY stiffer or "harder" than previous versions. 

I’d ask SVS if they changed anything, but this sounds very much like a possible situation of break-in.  You may just need to give them a little time to loosen up. 

@soix yeah I've got some older ones that were never used and they're definitely softer.

"there was zero thought or engineering to them"

The engineering is in the shape, the metal reinforcing shell, the size, the material, and the hardness. Their description, "optimized durometer elastomer feet" doesn’t describe the materials used, or the hardness. A durometer is simply an instrument used to measure the hardness of elastic materials, like tires for example. When they say, "optimized durometer elastomer" what they are saying is that these are manufactured to a specific hardness - or, durometer value. They do not share whether the material is rubber, sorbothane, silicone, or something else. However, customers who purchase the SVS feet really seem to like them - hard to argue with success. Here are similar products but less expensive, in silicone and in sorbothane.

At that price, maybe you get what you pay for?  Seriously,  how much engineering and materials can go into any product that sells for $10 per unit ?

Springs are better isolation.  Much better.