Stewart Pinkerton wrote:

*All* amps use feedback, but some don't use *global* feedback, leading
to a common claim about 'zero feedback' valve amps.

Been thinking about this, where is the feedback in a triode, with a
NiCad between its cathode and ground ?

I use this in my phono stage, and I can't for the life of me, see any
feedback.

--
Nick