Description: ten times the logarithm to the base 10 of the ratio of the sound power radiated by a sound source to the reference sound power (P0 = 10?12 W); Name: acoustic power level
Description: ten times the logarithm to the base 10 of the ratio of the sound power of a source, p, to a reference value, p0, expressed in decibels; Name: sound output level
Description: The operating temperature TS1 is the maximum value of the operating temperature defined from a safety point of view by the manufacturer of the system for the various components. The temperature point TS1 is in correlation to the pressures PS1+ and PS1-; Name: Max. permissible operating temperature at TS1, room2