SOTA, soft feet or cones, when to use either?

Agreed, cones it is.

To switch out: simply put some books under one edge at a time and remove rubber foot, then replace with metal cone... The rear one is difficult. But, this method, which has worked for me in the past, beats having to put turnable on edge.

happy listening,

Thanks guys, but why do cones work better and what may be the sonic benefits?

I bought finished slabs of marble from Mr. Seconds, about 20" x 20" and use it under the cones on both of my Sotas.I guess it sort of "couples" the table to a larger mass,in theory making this a hundred pound turntable. The biggest reason I did this is because it looks cool.

Just ran across this thread- The reason is that the Sota has a spring suspended subchassis with a low fundamental 'bounce' frequency, of about 2HZ; this makes it nearly immune to high frequency vibration, but vibration at or near it's fundamental can send it into resonance. The soft rubber feet are themselves springs, so the whole table has a fundamental that's undesirably close to the fundamental of the subchassis. With the table base on cones(preferably threaded in tight), on a rigid support, only high frequency vibration reaches the suspended subchassis, which it can easily deal with.

To demonstrate the resonance effect, take your table for a ride in a car, which is suspended at just about the same frequency as the table; it will go NUTS! Unless you lock down the subchassis, of course. Or don't risk damage, I've done it, so you don't have to.

I installed the feet and re-leveled it all and it sounds a bit tighter in bass but I have no idea why but I like it! Thanks as always for all input,,,,,cheers