Maestro faceplate - does it make a difference?

@geoffkait,

The final test for any audio tweak is the listening test.
Please provide a list of the audio equipment used when you evaluated your receptacle cover plate.

Also what was the duplex receptacle the cover plate was installed on.
Were the contacts of the receptacle unplated? If plated with what? Nickel?
What was the material the body of the duplex receptacle was made from?
What was the material the supporting back strap was made from? Non ferrous?
Galvanized steel? From my personal listening experiences cover plates, other than flexible nylon cover plates, will sound different depending on the receptacle they are installed on. The nylon plate is about as neutral sounding as you can get. As always, YMMV.
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I hate to judge too hastily but perhaps I need to hire a translator to translate my posts. Jea48, what was it about ceramic duplex outlet covers and resonators that you didn’t understand? Why all the angst? Don't get all strung out on me. It’s not rocket science. 🚀

So you have no idea how it sounds..... You could have just said that....

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I replaced one PortaPort with Maestro.....after which they all got replaced.   Maestro on my system wounded open effortless, clear, etc., etc, etc,

I really like my maestro outlet. Made a very nice noticeable improvement all across the board.