17"

D D 72 dB

C A 70 dB

B A 69 dB

A A 70 dB

A B 69 dB

A A 71 dB

A B 72 dB

B A 67 dB

A B 72 dB

C B 72 dB

A B 68 dB

A B 70 dB

C B 72 dB

C B 70 dB

C A 71 dB

B A 69 dB

B B 71 dB

D B 70 dB

A A 69 dB

A A 70 dB

C C 71 dB

C A 71 dB