Synergistic Research Black Box Carbon 211 tubes What I first noticed was

What I first noticed was the absolute quitness in the sound impression that suddenly appeared between tones

repeat the process and prepare yourself for a huge surprise

allowing the loudspeakers to develop a fabulously deep and wide soundstage

But be careful

they're sold out

Synergistic Research Black Box Carbon 211 tubes What I first noticed wasOver a decade ago, Synergistic Research introduced a transformative broad spectrum low frequency resonator array called the Black Box that eliminates bass nodes and room modes while expanding your rooms ability to accurately portray low frequency information and spatial content. Working from the principle that all frequencies in the audible bandwidth are linked through harmonics, the original Black Box balances low frequencies, mid range, and high