Sanmenxia where there where there is a monopoly wholesale company sell mine public broadcasting equipment noted in this background music systems, radio amplifier rated output power is about 1.3 times the total power of the radio speaker. However, all of the public broadcasting system should in principle be able to carry out an emergency broadcast of disasters and accidents. Therefore, the system shall be provided with an emergency radio amplifier. According to the "standard" requirement, the emergency radio amplifier rated output power should be 1.5 times the total capacity of another three partitions of the capacity of the radio speaker speaker. As for the other radio amplifier specifications, depending on the specific structure of the broadcasting system and investment. (H) 1503 +71780 +75 www.69139139.com 1399 +229 +631 broadcast partition Jiaming Yang Cheng * City Market Milan sun, Unit 2, Building 5, 208 a public broadcasting system is usually divided into several zones, by management (or pre-programmed) determine those areas to be distributed broadcast those areas to be suspended broadcast, those areas should be inserted into the emergency broadcast ... and so on. The principle of partitioning scheme depends on the needs of customers usually refer to the following rules: the building usually floors partition; shopping malls, playgrounds usually partition sector; playground often partition in the stands; residential district Resort usually property management partition. 2, Department of Management and public places should be divided into districts, respectively. Jiaming Yang 1503 +71780 +75 www.69139139.com 1399 +229 +631 Milan sun, Zheng * City Market Building 5, Unit 2, 208