Please note
Earphone, Power is not supplied.
You need an outdoor antenna.
Ceramic(Crystal) Earphone
Please be prepared for 3.5 plug earphone.
Capacity of 12V 400mA or more
Standard of connection plug
Outer diameter 5.5mm
Inner diameter 2.1mm
Center positive polarity
Please use the AC adapter fit.
Antenna is required to receive.
One-tube regenerative radio
Power supply voltage is DC12V.
Kr-31 parts
Coil is Plug-in Coil.
Vacuum tube 12AT7