Monthly Archives: January 2011

Testing an El84 Vacuum Tube with 9v Batteries

Posted on January 28, 2011 by esalazar

I  have always been interested in vacuum tube amplifiers, however the high voltages from the mains has always kept me from experimenting with them. About a year ago I played with an low power tube the 1t4 in a regenerative receiver.  The B+ was set to 45V powered … Continue reading →

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