01-30-2026, 06:58 PM
Checking for an open primary coil is super-easy.
Either take an Ohmmeter (after you power off) or measure the voltage (when powered on) at the respective tube's plate relative to GND. If it is very low or 0V, it is open. If not, it is not open.
Either take an Ohmmeter (after you power off) or measure the voltage (when powered on) at the respective tube's plate relative to GND. If it is very low or 0V, it is open. If not, it is not open.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.




