STANDARD VOLUME INDICATOR AND REFERENCE LEVEL 109 



-2-1 1 2 



VOLUME LEVEL IN DECIBELS 



Fig. 6- 



-Comparison of peak vs. r-m-s volume indicators as overload 

 indicators (using W.E. 14B program amplifier). 



to indicate the actual instantaneous peaks. To check this point, some 

 tests similar to those described above were made, using a gas tube 

 trigger circuit capable of measuring the true instantaneous peaks. 

 The results of these tests, using the 94-B amplifier, are shown in Fig. 8. 



