New posts in Vacuum Tube

Why are vacuum tubes more resistant to electromagnetic pulses than solid-state devices?

Are traditional vacuum tubes still used anywhere?

Unusual old resistor symbols identification

Leaving the heater of a vacuum tube on all the time vs cycling it

Why have a small neon lamp in power supply input circuitry?

Noise from solid state rectifier in tube amp

Vacuum tube LED flasher

Lighting up an old vacuum tube

Can someone explain this tube amplifier circuit for me?