17"

D A 70 dB

B B 71 dB

B A 69 dB

C B 72 dB

C A 70 dB

C B 70 dB

C E 72 dB

D E 71 dB

C A 71 dB

A B 69 dB

C B 72 dB

C A 72 dB

C A 72 dB

C B 72 dB

C A 72 dB

D C 71 dB

C A 72 dB

A B 68 dB

A B 70 dB

C A 70 dB

D E 71 dB

D B 71 dB

B A 69 dB