Tubes, tubes, tubes!
Just today, I swapped out Chinese 12AT7s in my Atma MP-1 preamp. Channel balance was ok but the imaging was skewed of to the right. With the new NOS 12AT7s the image is now correct dead center.
Just today, I swapped out Chinese 12AT7s in my Atma MP-1 preamp. Channel balance was ok but the imaging was skewed of to the right. With the new NOS 12AT7s the image is now correct dead center.