jamato8
Headphoneus Supremus
I have a GZ34 metal base with a huge number of hours on it. I got it used for around 30 dollars because the guide pin was broken. Tests like new and is excellent sounding even after many, many hours of use.'New Old Stock' Mullard GZ34 (low voltage drop) rectifier tubes -- 'strong' testing on properly calibrated tube testers -- are.