http://www.jogis-roehrenbude.de/Roehren-Geschichtliches/Mag_Augen/Mag_Augen2/6AL7GT.PDF
http://www.jogis-roehrenbude.de/Roehren-Geschichtliches/Mag_Augen/Mag_Augen2/6AL7.htm
I know this is probably easily outdone through other means, but it's kind of neat, isn't it? Maybe some sort of visual indicator on a guitar amp trem, and you really want to brag on the thing being all tube.
Bear
http://www.jogis-roehrenbude.de/Roehren-Geschichtliches/Mag_Augen/Mag_Augen2/6AL7.htm
I know this is probably easily outdone through other means, but it's kind of neat, isn't it? Maybe some sort of visual indicator on a guitar amp trem, and you really want to brag on the thing being all tube.
Bear