Thanks, Doc! Although I use all my Bottlehead amps regularly, I probably use my Mainline the most, as I do a lot of late night listening when the family is asleep. It's good to know that I'm not likely to "run out of gas" with the Mainline anytime soon! With the current issues with Russian-made tubes, I was getting just a little paranoid.
Scott Burgess
BeePre 2, Kaiju, Eros 2, Rega P6, Rega Apollo CD player, Bryston BDA-1 DAC, Bryston BDP-1 streamer, Jager speakers, Mainline and Crack for headphones.