Quote Originally Posted by Humminbird_Greg View Post
Cane Pole is right (as usual). The power rating is a measure of the amount of sound energy and not a straight DC or AC wattage reading from the input power and current.

Also always be wary when comparing wattage as some will spec only peak-to-peak wattage ratings while others spec RMS wattage (P-P should be 8x the RMS wattage value).
I have no idea where anyone came up with that 8X value.:rolleyes::rolleyes:

New math???????

This is the way I lernt sound and it is still being taught this way. Must be Humminbird math.

I sure don't see any 8X in these basic formulas.:rolleyes:

Introduction to Decibels: Science of Sound in the Sea