Knuckledragger Posted December 16, 2008 Author Report Posted December 16, 2008 One RCA (Mullard) EL34 says "Xf4 B5J1" and the other says "Xf4 B602" upsidedown.
spritzer Posted December 16, 2008 Report Posted December 16, 2008 Ahhh ok... The XF4's are the last of the Mullard EL34's and not as good as the rest but no slouch though. They are worth less though.
Dusty Chalk Posted December 16, 2008 Report Posted December 16, 2008 I wish I had a squid to hold my tubes. For a minute, I thought this was a technical term for something.
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