Kit. Potentiometer with switch and regenerative adjustment.
DC battery 14500 lithium 3.7 and 9 volt supply, screen voltage 9V. Screen current less than 0.5mA.
Filament 2.4 volt supply: 7 pin positive, 1 pin negative, 5 pin empty. Filament current 30mA.
Lamp low block illuminated red LED 2.4V supply, current limiting resistor 150 ohm. LED current 16mA.
Transformer impedance conversion available after low resistance 8 - 32 ohm headphone listening. No transformer can be used to listen to high resistance 2000 - 4000 ohm headphones.
Magnetic rod coils need to be wound by yourself! With yarn wound and enameled wire.
Suitable for 2P3 case. Case not included! Batteries and speakers () are also not included.
Important note: the sound of a single-tube machine without an antenna or amplifier is too low! Very impractical!
Small amplifier on the phone with input line Bluetooth speaker or computer speakers can be used, the first debugging should be connected!
And can only receive a few strong stations, so this kit is only suitable for DIY enthusiasts to play with.
After the completion of the effect of listening can not be achieved!
Style: Portable
Type: FM
color: Black
Material: plastic
Package Contents:
1 x 2P2 electron tube single light radio board kit
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.