The now defunct Brit mag Hi FI World had occasional sections devoted to DIY builds about their tube gear kits. Anybody remember this and bought their kits? I bought HI Fi World regularly at the old now-gone Borders Books.
Measurements, A/B testing - TAS discusses why they’re lacking
Great read of:
The Absolute Sound’s Review Methodology: First Principles
I remember John Curl said “We don’t know what to measure..”. Now I know what he’s talking about.