DBU  antey emti ?
dBu  mariyu  dBV  voltejeeni kolavadaniki pratyekamgaa decibel unitlu . dB  vale kakunda ,  avi vaasthavaaniki unitlu endhukante avi vaasthava voltages viluvaku maarchabadataayi . dBu  anede  0.775  wolt ‌ laku sambandhinchi  dB; 0dBu = 0.775  voltlu .