Apr 21, 2020 at 9:34 PM Thread Starter Post #1 of 1 jonno41 Head-Fier Joined Feb 24, 2013 Posts 72 Likes 46 How does a GEC U52 compare to an Osram U52 Rectifier tube.Looking at an addition for my Woo Audio WA22 headphone amp.
How does a GEC U52 compare to an Osram U52 Rectifier tube.Looking at an addition for my Woo Audio WA22 headphone amp.
