I found this exhaustive article on taking a brand new DRRI and rebuilding it from the ground up. I can see his point in avoiding putting all this work and money in to an amp that is 40+ years old. It is long but very interesting.
http://www.waynereno.com/Mercury_Magnetics.htm
http://www.waynereno.com/Mercury_Magnetics.htm
It all rolls into one and nothing comes for free
There's nothing you can hold for very long
And when you hear that song come crying like the wind
It seems like all this life was just a dream
There's nothing you can hold for very long
And when you hear that song come crying like the wind
It seems like all this life was just a dream
