有人说,电子管收音机、扩音机不能开得时间过长,否则将会起火。请问,这是真的吗?河南省西平县消防中队郭奎星由电子管收音机、扩音机引起的火灾,并不少见。电子管收音机、扩音机之所以引起火灾,主要是由于机内的变压器引起的。变压器在通电使用时容易发热,起火的部位是线圈、铁芯、电接头。有人说使用时间长了会引起火灾。这倒不是绝对的,而起主要作用 Some people say that the tube radio, megaphone can not drive too long, otherwise it will catch fire. Excuse me, is this true? Xifeng fire squadron in Henan Province Guo Kuixing by the tube radio, megaphones caused by the fire is not uncommon. Tube radios, amplifiers cause a fire, mainly due to the transformer inside the machine. Transformer easy to heat when using electricity, fire parts are coils, iron core, electrical connectors. Some people say that prolonged use can cause a fire. This is not absolute, but plays a major role