Home » Audio » Thermionic Emissions » Electro-Harmonix 2A3 replacement for Valve Art 2A3
Re: Blue Glow [message #10611 is a reply to message #10583] Fri, 07 May 2004 17:33 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18792
Registered: January 2001
Illuminati (33rd Degree)
I just found out that a blue glow is caused by electrons escaping the plate and hitting the glass, not gas within the tube as I thought might be the case. A light blue glow results from electrons striking gas, dark blue is from hitting glass. Interesting.

 
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