论文部分内容阅读
2J1型台式六管晶体管收音机是上海无线电二厂1963年的新产品.具有的特点是: 1.使用低压直流作电源,不受使用场所电源供给情况的限制,对农村、渔场、林区及户外使用最为适宜. 2.电性能及电声指标,极大部分均能达到交流三级电子管收音机标准.仅输出功率与平均声压,稍有不及. 3.放音宏亮、音质优美,为一般便携式、袖珍式晶体管收音机所不及. 4.能经受高温+40℃)、低温(-40℃),潮湿(+25℃,相对湿度95%),振动(加速度2～3g),冲击(加速度15g)等气候及机械试验的考验. 5.用电极省,消耗功率约1/2瓦,相当于一般交流五管收音机的1/70.机内装用小型干电池.机后备有外接电源插座,可以换接大型干电池.亦可使用交流电源变换器,供交流电源地区使用.
2J1 desktop six transistor transistor radio is a new product of Shanghai Radio Factory in 1963. It has the following characteristics: 1. It is low voltage DC for power supply, it is not restricted by the power supply in the place of use, and it is suitable for rural, fishing grounds, forest area and outdoors Most suitable for use. 2. Electrical properties and electro-acoustic indicators, most of them can achieve the exchange of three tube radio standards. Only the output power and average sound pressure, slightly less. 3. Play loud, beautiful sound, as the general Portable, pocket transistor radios. 4. Can withstand high temperatures +40 ℃), low temperature (-40 ℃), humidity (+25 ℃, 95% relative humidity), vibration (acceleration 2 ~ 3g), impact ) And other climate and mechanical test test 5. With the electrode province, power consumption of about 1/2 watts, the equivalent of a general exchange of five tube radio 1/70. Machine built with a small battery. Machine equipped with an external power outlet, you can change Access to large dry batteries. AC power converters can also be used for AC power supply area.