18"

B B 72 dB

B A 70 dB

B B 71 dB

C E 73 dB

B B 73 dB

C E 72 dB

C A 68 dB

C A 71 dB

B B 72 dB

B E 70 dB

C E 72 dB

A C 71 dB

C C 70 dB

B A 70 dB

B A 69 dB

C A 71 dB

C C 71 dB

D E 71 dB

C C 73 dB

C B 72 dB

C A 72 dB

B B 69 dB