I just installed one. The WW1 I believe it is spec'd at 70 lbs capacity. You can install drywall anchors for the center holes and use studs for the outside screws. That's what I did and it is supporting my Marantz TT15 just fine. But that's only 15 lbs or so.
I'll probably upgrade the MDF board to a maple platform and use better spike hardware at some point, but it seems to work fine. Pretty easy to level it out all around and quite stable.
I played a record over the weekend and my toddler daughter was dancing around and running around to the music and it didn't skip a beat. This is installed on an interior stud wall--for best isolation it is best to mount on an exterior wall, if you can.
I'll probably upgrade the MDF board to a maple platform and use better spike hardware at some point, but it seems to work fine. Pretty easy to level it out all around and quite stable.
I played a record over the weekend and my toddler daughter was dancing around and running around to the music and it didn't skip a beat. This is installed on an interior stud wall--for best isolation it is best to mount on an exterior wall, if you can.