I think the rubber they are using for the surrounds is an all weather variety, butyl, etc. It should withstand anything we can throw at them all though as you are finding out, they may sound different at our colder temps.

I shall be waiting for that PM, I will get to use the new soundcard and see how things graph out in your place, it should be fun.


Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70