No person shall use, operate or permit to be used or operated upon any real or personal property owned, leased or controlled by him in the Borough any radio receiving set, musical instrument, phonograph, loudspeaker, sound amplifier, sound radiator or other machine or device for the production, reproduction or amplification of sound, whereby sound is cast upon any street or other public way or public place in the Borough, which machine or device is not regulated or controlled so that the sound emitted therefrom does not exceed in intensity .01 microwatt per square centimeter at a distance of 100 feet from any sound radiator, measured anywhere in such street or other public place, this being 80 decibels above the standard reference sound level of 0.1 milli-micro-micro watt per square centimeter established by the American Acoustical Society. Operation of any such sound-producing or amplifying equipment at a level audible in any street or other public way or public place above normal street noises at a distance of 100 feet or more from such instrument or device shall be prima-facie evidence of excessive intensity constituting a violation of this chapter.
(Ord. 530. Passed 12-26-50. )