How about electrically?
Use a DVM and if speaker impedance is known at frequency, use test tones measure the voltage and using ohms law and the impedance, calculate the actual wattage?
Will this work? It actually doesn't sound like THAT much trouble, if you really care enough to know.
Will this work?
Use a DVM and if speaker impedance is known at frequency, use test tones measure the voltage and using ohms law and the impedance, calculate the actual wattage?
Will this work? It actually doesn't sound like THAT much trouble, if you really care enough to know.
Will this work?