Decibels - Voltage.

A unit of measurement equal to the dBu but not used anymore because it was easy to confuse it with "dBV".

A measurement of the logarithmic difference in voltage from 0dBV (1.0 V , the reference being 1V RMS). A unit of measurement of audio signal level in an electrical circuit, expressed in decibels referenced to 1V RMS across any impedance. Commonly used to describe signal levels in consumer equipment. To convert dBV to dBu, add 2.2 dB.

Decibels referred to 1 volt.

A logarithmic voltage reference point equal to 1.0 Vrms.

The voltage relative 0 dBV. 0 dBV is defined as 1.000V, (e.g. 4 dBV = 1.585 V). /p /p

a means of expressing voltage, referenced so that 0 dBV equals 1-volt RMS, regardless of impedance.

synonymous with dBu, but rarely used due to confusion with dBV. See dBu.

dB referenced to 1.0 Vrms. -10dBV is a standard audio line level for consumer and some professional audio use, equal to 0.316 Vrms. RCA audio connectors are a good indicator of units operating at -10 dBV levels.