By the way, dealers had jacked up the price of vintage 6sn7 tubes too much.
I paid 60$ for pair of Sylvania 6sn7 wgt with brown bass 3 years ago.
But now they ask around 200$ for pair of them.
Since I have around 80 pairs of 6sn7 tubes and variants, I will not buy more of 6sn7 tubes.
Thomas