What would your "perfect speaker" sound like.

What would your perfect speaker sound like. Not interested in the brand, or the a speaker you heard at a friends house or audio show This is a thought experiment. Simply conjur up the most divine sound in you mind and tell us what you are conjuring. 

Please be brief, 


It’s not only speakers, that’s just one part of the equation. Any audio system that can draw you into performance without drawing attention to its sum or parts is a winner in my opinion. 

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With proper amplification and components the MBL Omni directional speakers come dam close to realism .