Wife could not stand the fumes from those transformers in Ref150. After a lot of complaints from her, I consulted the lawyer. He recommended that it would be cheaper to get rid of the AMP.
It is now with a fellow forumer here.
I am still hanging on to the Ref5se. There are days when the mirage looks nice and clear and then it gets hazy. I am hoping someday I will reach my oases.
On the art of burn in – I never felt comfortable leaving these tube gears on for more than 5 hours. I never left them on and when I was not around. I have seen fireworks on an Air Tight tube amp. You do not want to leave these on and go away. Thought I must admit, Ref150 ran cooler with the fans than the Ref5se.
If and when Ref5se settles down, I will start considering Ref.75. My volume meter rarely goes over 5. I do not need a lot of power