Even if you aren’t a tube aficionado, you can’t help but be mesmerized by the blue glow inside a mercury vapor rectifier when it operates. It looks less like early 20th century tech and more like ...

Converting ac to dc has been accomplished by several different types of rectifiers through the years. Here are a few of the more common types of rectifiers used in the past 100 years. Mercury arc ...

NAMM 2025: As promised in Mesa/Boogie’s teaser video last week, the iconic – and it is iconic – ‘90s spec twin-channel Dual Rectifier is officially back, reengineered to bring its fire-breathing tube ...

[Eric] has an Atwater Kent 55C AM radio from the early 1900’s. He’s been trying to restore the radio to proper working condition. His most recent pain has been with the rectifier tube. The tube is ...

Single-ended tube with a brass admedium base insulated skirt and two glass insulators. Tipless T-shaped envelope. 1 amp rating. Donor’s card reads: “Tungar rectifier bulb made by the General Electric ...

John Dunn recalls a close call with at at-home vacuum tube experiment and shudders at the thought of using another particular ...