Current injection (amplification) phono stages

The new Sutherland "Phono Loco" is also a transimpedance phono stage that should be on the short list.  It is superior design and offers unbelievable performance - definitely worth checking out.

As I recall, after researching this type of phono stage, I came to the conclusion that there is an internal theoretical contradiction. That is, for ideal transfer of current you would want zero impedance at the input of the phono stage. But in fact you have to have at least some impedance in the form of a resistance between the grid and the ground or cathode of a tube or between the gate and the ground or drain (or collector) of a transistor, or else those devices don’t work. So in operation, they all present at least a two or three ohm parallel resistance at the input. The proof of the pudding would be in the listening.

jwp, Why do you say that the Sutherland is “superior”. What is it superior to, and what makes it superior?

Gold Note PH-10 and i am waiting for external PSU for it 

Don't believe the Goldnote is a current mode stage. 

The ESE Nibiru is another one, perhaps one of the earlier current mode stages. 

Dynavector P75.