12AX7 12AT7 12AY7 (upper) replace the 6N3/5670 (lower) tube conversion seat
The power must be turned off when unplugging and inserting the tube to prevent electric shock. Children should not touch the exposed parts of the circuit board during work. Please take safety precautions by yourself!
Electronic tube conversion seat 12AX7 12AY7 12AT7 replacement / 6N3 (5670)
Size: diameter 25MM, height 27MM (including pins, pin length 11MM)
Material: double-sided, plate thickness 2MM, copper thickness 1OZ. Soldering with silver solder.
The converter seat with LED has a current-limiting resistor, which is suitable for 6.3V AC filament. If the DC power supply is used, the polarity may be wrong and the light will not light up. Switch the positive and negative poles and it will light up!