Description
Attention: - Magnetic rod coil need to be wound by yourself! With cotton-covered wire and varnished wire. - It fits 2P3 shell which is not included and can be purchased separately. Battery and loudspeaker (cannot be driven) are not included. - The radio should be connected to antenna and small amplifier speakers, otherwise its sound will be too low to be heard. - Small amp speakers such as cellphone Bluetooth speakers with input cable and small small computer speakers. And they should be connected for the first debugging! - It can only receive 1-2 local radio stations with strong signals, so the kit is only suitable for enthusiasts to DIY. Radio Kit Description: Its potentiometer have the function of switching and regenerative adjustment. 14500 lithium battery DC 3.7V and 9V power supply and screen voltage 9V. The screen current is less than 0.5mA. Filament 2.4V power supply: Pin 7 (positive pole), pin 1 (negative pole), and pin 5 (empty). The filament current is 30mA . The lamp base with red LED powered by 2.4V and current limiting resistance 150Ω. LED current 16mA. After transformer impedance conversion, it can support 8-32Ω headphones. When not connected to a transformer, it can use 2000-4000Ω headphones. Package Included: - 1 x Radio Kit (battery not included)