On 5 Feb 2018 at 14:08, Peter Gottlieb wrote: > What is the I-V curve like in a 6AL5? Does it start acting like a > diode at lower voltages than a Ge diode like a 1N34A? I dunno. Haven't looked. Ken --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus