gbmcleod
Geoffkait, do you have to have your spring vertical for the best sonics? You sure do with the Townshend, although it will sound great - even fantastic- with them at the angle. But the "air" will disappear a bit as the bottom part of the springs moves out of vertical alignment (completely my error, of course), and so the field of depth is like an accordion when you push the sides together. Just sayin’.
>>>>>Of course springs should be vertical. If they aren’t their spring rates won't be linear, under the force of gravity, which is vertical, they won’t be as "springy." Consequently isolation effective will suffer. If the springs are angled enough away from vertical you can probably visualize in your mind’s eye they won’t behave properly. The easy way to check for proper operation of whatever is isolated on springs is to manually get the system in motion up and down and observe whether the action is smooth and unrestrained by non verticality of springs or by external forces like power cords or cables or by non uniform distribution of mass on the springs. Sometimes careful adjustment of spring locations can be very helpful in that regard. Of course for heavy masses springs must be placed wider apart than for lower masses.