Low frequency (tuba) 63 hz, 15 feet long Room Acous=cs
High frequency (speech) 2000 hz, 6” long
Preven=ng fluIer echo….sound trapping
3/8” Op=white Tempered – Heat Soaked .060 Trosofol laminate interlayer 3/8” Op=white Tempered – Heat Soaked 4 foot air space 3/8” Op=white Tempered – Heat Soaked .060 Trosofol laminate interlayer 3/8” Op=white Tempered – Heat Soaked
University of Michigan, Earl V. Moore Building, 1964 Architect, Eero Saarinen
5/16” clear hs VE48 on #2 1/2” air space – black alum spacer 1/4” clear heat treated 7” air space 1/4” Op=white Heat Strengthed 1/2” air space 3/8” Op=white heat strengthened .06 clear PVB 3/8” Op=white heat strengthened
Patrick Loughran, FAIA, PE Thank You GoeIsch Partners ploughran@gpchicago.com All photos ©Tom Rossiter