Interesting discussion of wattage/volume

EU plug?
link please

The demo would have to be live to make the point.

I don’t see your point. Please help me understand your idea.

You cannot hear the volume levels demonstrated unless you are in the room.

Ok. Didn’t understand what you meant by ā€œliveā€.
Now that I’m somewhat more than 70, I’m no longer quite sure what ā€œliveā€ is.
Will somebody please answer that phone!!!

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I just got this little device in. Hooked it up. Works great. Music sounds better than ever. Thanks for the tip.

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Great to hear! Seems like it works well for a lot of people.

An unscientific (yet more understandable) way of explaining it would be to use, as an example: two legendary vintage speaker designs which were worlds-apart from one another in power requirements, the 1960s Acoustic Research ā€œA.R.3ā€ vs. a Klipschorn. The closed-box, acoustic suspension A.R. was only 81db efficient while the Klipsch was, like, 97db by contrast. A volume setting on a 25wpc amp (for the sake of what the minimum power requirement A.R. used to specify for the 3 model), would correlate to: having to turn the volume control to nearly the 12:10 mark (presuming?: the amp wasn’t already horribly distorting…funny sidebar: such a low-wattage vintage Sansui amp could take it, from personal experience, while the now-coveted '70s Marantz ones couldn’t!) to get room-filling loudness out of the A.R. speaker; however, oppositely: the Klipsch would already be at ear-bleeding loudness (from the same amp) with the volume control only at the 50-minute position.