I have sold a couple of valves.
I bought them from a good trusted source on the forums, measured and tested for low noise.
I tested them myself in my amp before tucking them away for a month or so.
I then change direction and sell them, post them well packaged.
Buyer has contacted me saying -
"They are not working properly
I think they are too old
One of them is not working at all
Can i send them back ?"
This is a bit odd.
Opinions please?