19"

C A 70 dB

C A 72 dB

C B 72 dB

D E 71 dB

A A 72 dB

B A 72 dB

C A 70 dB

D E 72 dB

C A 71 dB

C A 71 dB

C D 73 dB

D B 71 dB

C C 72 dB

B A 72 dB

C A 73 dB

B A 70 dB

D A 71 dB

C A 72 dB

A B 70 dB

D C 72 dB

C A 72 dB

B A 70 dB

D C 72 dB

D A 72 dB