17"

B A 69 dB

B A 70 dB

A A 70 dB

B A 70 dB

E C 72 dB

C A 72 dB

C A 71 dB

C B 73 dB

D E 69 dB

B A 70 dB

B B 71 dB

C B 70 dB

B B 72 dB

B A 69 dB

C A 71 dB

C E 70 dB

C E 72 dB