9.24.020 Loud radios, sound sets, and the like.
   A.   The use or operation of any sound production or reproduction device, radio receiving set, musical instrument, drums, phonograph, television set, loud speakers and sound amplifier, or other similar machine or device for the producing or reproducing of sound in such a manner as to disturb the peace, quiet or comfort of any reasonable person of normal sensitivity in any area of is prohibited; provided, however, this provision shall not apply to any participant in a parade, gathering or similar activity who has been authorized by the city to engage in such conduct.
   B.   Any of the following shall constitute prima facie violations of this section:
   1.   The operation of any device set forth in subsection A. hereof between the hours of 10:00 p.m. and 8:00 a.m. in such a manner as to be plainly audible at a distance of fifty feet or more from the building, structure, vehicle or area where the source is located.
   2.   The operation of any sound amplifier, which is part of, or connected to, any radio, stereo receiver, compact disc player or other similar device, when operated in such a manner as to be plainly audible at a distance of fifty feet or more from the source, or when operated in such a manner as to cause a person to be aware of vibration accompanying the sound at a distance of fifty feet or more from the source.
(Ord. 1397.09.04 § 1 (part), 2006)