Please help ID this rectifier:

martioz · 27th June 2006, 04:36 AM

Please help to ID this russian rectifier tube:

poobah · 27th June 2006, 05:26 AM

Godzilla? King Kong? Mongo?

Miles Prower · 27th June 2006, 07:06 AM

Are you certain that it's a rectifier? It looks like a sodium vapor arc lamp.

tubelab.com · 27th June 2006, 02:15 PM

Back in the days before silicon rectifiers the only choices were selenium for relatively low current, and a device known as a "Tungar Bulb". That is a large high current low voltage rectifier tube. Most of them used Mercury or Argon to lower the voltage drop. They were used in large battery chargers.

Google "Tungar bulb" or "Tungar Rectifier" Some were made by the Tung Sol corporation.

kevinkr · 27th June 2006, 04:31 PM

It doesn't appear to be an x-ray tube, it does appear to be some sort of high voltage rectifier. I have seen similar rectifier tubes in 1920's vintage radio transmitters, unfortunately I am not really familiar with these and can't identify this one.

27th June 2006, 07:06 AM	#3
Miles Prower diyAudio Member Join Date: May 2005 Location: USA Blog Entries: 2	Are you certain that it's a rectifier? It looks like a sodium vapor arc lamp. __________________ There are no foxes in atheistholes www.dolphin-hsl.com

27th June 2006, 02:15 PM	#4
tubelab.com diyAudio Member Join Date: Jul 2005 Location: South Florida	Back in the days before silicon rectifiers the only choices were selenium for relatively low current, and a device known as a "Tungar Bulb". That is a large high current low voltage rectifier tube. Most of them used Mercury or Argon to lower the voltage drop. They were used in large battery chargers. Google "Tungar bulb" or "Tungar Rectifier" Some were made by the Tung Sol corporation. __________________ Too much power is almost enough! Turn it up till it explodes - then back up just a little.

27th June 2006, 04:31 PM	#5
kevinkr diyAudio Moderator Join Date: Sep 2004 Location: Boston, Massachusetts Blog Entries: 6	It doesn't appear to be an x-ray tube, it does appear to be some sort of high voltage rectifier. I have seen similar rectifier tubes in 1920's vintage radio transmitters, unfortunately I am not really familiar with these and can't identify this one. __________________ www.kta-hifi.net

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27th June 2006, 05:26 AM	#2
poobah diyAudio Member Join Date: Nov 2005	Godzilla? King Kong? Mongo?

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