Originally Posted by kaigoss69
It is my understanding that the input voltage rating on the amp input is in RMS, not max volts. At 18W RMS at 4 ohm it would seem the MS-8 is capable of outputting a maximum of 8.5V RMS. Close enough for me, especially since I am not thinking about subwoofer outputs, rather midrange outputs.
Just try it then... RMS is not peak, peak power is about double the RMS. Most probably it will work fine as the HD 8V is actually in RMS, which equates to about 11.5V peak.