“Black background” — What really contributes to this phenomenon?


How to enjoy the tiniest of musical details and lowest noise floor against the blackest of backgrounds?  
Power? Sources? DAC? Amps? Cables? Tweaks?  Vibration control? Any of these in particular?


redwoodaudio
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redwooodaudio B and K calibrated mic into Studio Six on an ipad. The trusty and hyper durable Radio Shack analog meter is quite good for low frequency work. Yes dedicated line is wonderful 


true fast is all the drivers start in the right direction , see the impulse response test for loudspeakers. The flat earth random discovery society is anti meter and anti laser. They are no substitute for listening but they are valuable tools. We don’t attain black backgrounds in the recording studio by letting environmental noise in.