Originally Posted by Gplusplus
I'm enjoying these, but I've run into a weird issue. My 707s seem to be producing a yellow powder around the "hersheys kiss" ports on the bottom. It looks almost like sawdust. Is this normal from breaking in the speakers?
Did you contact Polk CS?
2 channel : Anthem Integrated 225, Bluesound Node 2i, Monitor Audio Silver 8, PSA S1500, Marantz SA8005,
HT: Yamaha RX-A1060, Klipsch RP-260, Polk RTIA1 rears, RP-450C, PSA V1500, Onkyo C-S5VL
Office: Yamaha A-S701, Bluesound Node 2, Monitor Audio Silver 2, SVS SB12-NSD, Marantz CD6006