Nicole Kidman and Keith Urban have a new baby, courtesy of a surrogate ... TMZ has learned. Sources tell us ... the baby was born at Centennial Medical Center in Nashville on December 28, 2010.
Quick Answer. When talking about dishwashers, decibels refers to the noise level a dishwasher produces when it is in operation. The quietest dishwashers have decibel ratings around 40 and slightly below, while the noise level in decibels of a normal conversation is about 60.
Two ironclad rules for home speaker systems: 1  A stereo receiver and speakers must have the same impedance rating--this is measured in Ohms. The weird part is that high-end loudspeakers have lower ratings for ohms (4-6 ohms) than standard home audio speakers (usually 8 ohms).