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 ...

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 ...

Mesa/Boogie is set to continue its current form of reviving cult classic tube amps with the announcement it will be bringing back the hallowed Dual Rectifier. Set to drop January 14, the upcoming tube ...

Single-ended tube with a brass admedium base insulated skirt and two glass insulators, a contact post extending from the skirt and around the bulb to the top. Tipless P-shaped envelope. 2 amp rating.

A landmark guitar amp, the Triple Rectifier is a ticket to premium high-gain heaven with a three-channel, 8-mode operation with a virtually switchable tube/solid state rectifier section. And trying it ...

[Mr. Carlson] has an old-style 1940-era radio tube tester, the kind that used to inhabit grocery and drug stores. It is in amazing condition and he was kind enough to tear it down for us. The tester ...