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我市一家大宾馆所建的新楼,楼内全部音响等系统由N市一家公司承建。整个楼内实际负载为300瓦。扩音设备选用沪产的金鹿牌2×275瓦扩音机。承建方将两路275瓦同时接上负载,并机工作,因而实际输出功率可达550瓦。用550瓦机带动300瓦负载,应该说是件很轻松的事。可事实上,据用方介绍系统尚未验收,扩音机的输出级就先后烧毁20只大功率放大管,造
A large hotel in our city built a new building, all the audio systems and other building by the N City, a construction company. The actual load throughout the building is 300 watts. Sound equipment selection of Shanghai-made Golden Deer 2 × 275 W amplifiers. The contractor will connect the two 275-watt loads at the same time and work on the machine, so the actual output power can reach 550 watts. Driving a 300-watt load with a 550-watt machine should be a very easy task. In fact, according to the introduction of the system has not been accepted, the amplifier output stage has burned 20 high-power amplifier tube, made