Would not an amortized 104 db be excessive.??? No, 85 decibels dB(C) would not be loud, if the acoustic environment of the church is suitably designed, and the sound system is correctly calibrated. 85 dB(C) is roughly the level you hear in a modern cinema, and is classified by OSHA and other organizations as being safe for 8 hours of exposure each day, on a daily basis. 104 dB would certainly be e