17"

B A 70 dB

B A 70 dB

D C 72 dB

B A 71 dB

D E 71 dB

B B 72 dB

B A 69 dB

C B 72 dB

C A 72 dB

C B 71 dB

B B 70 dB

A B 71 dB

C B 72 dB

B A 69 dB

C C 70 dB

A B 70 dB

C A 70 dB

E E 72 dB

B C 72 dB

B B 71 dB

A A 71 dB

A B 69 dB

C E 69 dB