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Just carried the old top from the kitchen island upstairs for an equipment stand. 30" x 50" x 2" hard maple butcher block. It must weigh 75 lbs. Bought four 28" hardwood legs (wood species unknown) 1-11/16" sq. w/threaded rod, and matching threaded top plates from Home Depot to attach the legs to the top. The top plates are heavy gauge steel.
The floating floor is 5/8" engineered hardwood on 1/4" cork underlayment. The cork is laid over 1 1/2" of gypcrete, poured over 3/4" ply screwed & glued to engineered floor joists.
Should I couple the table legs directly to the floating floor, i.e., with spikes, or should I somehow try to isolate the legs from the floor? What are the likely consequences of each approach?
Listening in Them Woods
Follow Ups:
The area of each leg is nearly 3 square inches. Multiply that by 4 legs and you have nearly 12 square inches.
Vib-X comes in two different durometers, 50 psi and 150 psi. 12 x 50 = 600 pounds. Would the table and equipment come close to that? If so you may want to consider the 150 psi.
You can use the leftovers for placement under component feet, or stacking pieces and bypassing component feet. I support my cdp this way. Stock amp feet sit on pieces of Vib-X. You can also try it under your speakers if you suspect they are transmitting an audible resonance to the floor. That is what originally led me to Vib-X. But your floor description sounds as if it is very rigid. Floor resonance might not be an issue in your room.
My listening room (carpeted) features a floating floor with radiant heating (I much preferred a previous listening room with a concrete floor). All of my stands (including amplifier, speaker, and power line conditioner stands), subwoofer enclosures, and equipment rack are coupled to the floor with either carpet-piercing steel spikes or carpet-piercing brass tiptoes. When various decoupling footers or pads are chosen, they are positioned between/under various components, plinths, platforms, and loudspeakers (placed on speaker stands spiked to the floor).
In your case, since your listening room seems to feature a bare hardwood floor, I would first experiment with your loudspeakers by comparing how they sound via coupling spikes vs. decoupling pads. Whichever method might sound better when placed under the loudspeakers might be the best method to use under your equipment stand. Experimentation is the keyword.
Hey Duster,
Thanks for the idea. My speaker stands are sitting on decoupling pads; I'll think about ordering some brass spiked footers and giving that a try.
Did you try decoupling your gear from the floor?
Best,
Mike
Listening in Them Woods
I have a carpeted floor, so decoupling pads are not an option. However, Herbie's Audio Lab offers spikes with integrated decoupling pads that are worth looking into.
Skip the legs and spikes and isolate the maple block directly on air springs or steel springs.
Coupling the block to the floor will cause it to vibrate in concert with the floor.
"Skip the legs and spikes and isolate the maple block directly on air springs or steel springs.
Coupling the block to the floor will cause it to vibrate in concert with the floor."
That's interesting. Where would I source the air springs (bladders?) or steel springs?
Listening in Them Woods
raquetballs in furniture caster ball cups.
"Everyone has a plan — until they get punched in the face" - Mike Tyson
See ya. Dave
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