19"

D B 71 dB

D A 71 dB

D C 72 dB

D A 72 dB

D A 72 dB

B A 70 dB

D C 72 dB

A B 70 dB

B A 70 dB

C B 72 dB

D A 72 dB

E B 69 dB

B B 69 dB

C A 70 dB

B A 71 dB

C A 72 dB

C A 72 dB

C A 73 dB

A B 70 dB

A B 69 dB

A B 70 dB

A B 71 dB

D D 71 dB

C B 69 dB