A band akin describes a line's nominal arresting akin as a ratio, bidding in decibels, adjoin a accepted advertence voltage. The nominal akin and the advertence voltage adjoin which it is bidding depend on the band akin actuality used. While the nominal levels themselves vary, alone two advertence voltages are common: decibel volts dBV for customer applications, and decibels unloaded dBu for able applications.
The advertence voltage for the decibel volt (0 dBV) is 1 VRMS, which is the voltage appropriate to aftermath 1 milliwatt mW of ability beyond a 1 kiloohm kΩ load.1 The advertence voltage for the decibel unloaded (0 dBu) is the voltage appropriate to aftermath 1 mW of ability beyond a 600 Ω amount (approximately 0.7746 VRMS)
The advertence voltage for the decibel volt (0 dBV) is 1 VRMS, which is the voltage appropriate to aftermath 1 milliwatt mW of ability beyond a 1 kiloohm kΩ load.1 The advertence voltage for the decibel unloaded (0 dBu) is the voltage appropriate to aftermath 1 mW of ability beyond a 600 Ω amount (approximately 0.7746 VRMS)
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