[Ian Bell[_2_]]

Eeyore wrote:

Ian Bell wrote:

Eeyore wrote:
Ian Bell wrote:

Yes, that's my other problem. The simple CC cascade pair with NFB I am
using has a very poor PSRR.
Not a problem with solid state you see.

PSRRs are typically in the 120dB region.
Only if you use op amps.

Well who wouldn't ?


Lots of people.


The dc coupled triple typical of the Neve class
A preamps is just as bad as its tubed version.

Except they did at least have regulated power supplies !


Yes, but PSRR is important for other reasons too.

Graham


Cheers

IAn