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Confidence votes 4.9K. No, 10 dB is perceived to be twice as loud, and requires 10 times the power. Doubling of the volume (loudness) should be perceived by a level difference of 10 dB â psychoacousticians say.Doubling the sound pressure (voltage) level corresponds to a measured level change of 6 dB.Doubling of acoustic power (sound intensity) level corresponds to a calculated level change of 3 dB.4 decibels is about as loud as sitting 8 to 10 feet away from stereo speakers. 74 decibels is almost the same as the sound of a washing machine it is just 1 decibel higher.
The doubling of the factor (twice the factor) means: for the loudness level: +10 dB, for the sound pressure level: +6 dB SPL and for the electric voltage level: +6 dB, for the sound intensity level: +3 dB and for the power (energy) level: +3 dB ... and 10 dB SPL more means, the amplifier needs 10 times more power.PL is the abbreviation for  Sound Pressure Level . The term loudspeaker and amplification is not specifically raised with the previous survey. It's all about sound pressure the most important sound value. There is only one correct answer: Twice the sound pressure is an SPL of +6 dB.