SECTION 1. Notwithstanding the provisions of any other general or special law to the contrary, no person shall make or cause to be made any unreasonable or excessive noise in any residential area in Massachusetts between the hours of 11:00 p.m and 7:00 a.m, by whatever means or from whatever means or from whatever source. As used herein, the following terms shall have the following meanings:

a. dBa shall mean A-weighted sound level in decibels, as measured by a general purpose sound level meter complying with the provisions of the American National Standard Institute, "Specifications far Sound Level Meter (ANSI SIR 19711)", properly calibrated, and operated on the "A" weighting network

b. Load amplification device or similar equipment shall mean a radio, television, phonograph, stereo, record player, tape player, cassette player, compact disc player, loud speaker, or sound amplifier which is operated in such a manner that it creates unreasonable or excessive noise.

c. Unreasonable or excessive noise shall mean

1. Noise measured in excess of 50 dBa

2. In the absence of an applicable noise level standard or regulation of the Air Pollution control commission, any noise plainly audible at a distance of three hundred (300) feet or, in the case of loud amplification devices of similar equipment, noise plainly audible at a distance of one hundred (100) feet from its source by a person of normal hearing