Actually if you look at his measurements carefully, you'll see that he DOES measure a SMALL increase in noise. (You'll have to search through his excellent website to find this)midwayfair said:Audio improv didn't measure an increase in noise with the added resistors.
It means the dominant noise source in his example is somewhere else. If you were anal, you could easily dream up examples where the INCREASE in noise is greater or smaller but there will ALWAYS be an increase.
But in the scheme of things, I don't like using something which needs more bits and doesn't provide better performance or increased capability.
WHAT SORT OF INCREASED CAPABILITY?
In my MicBuilders Files, I show how to increase the LF extension of the discontinued WM55 to better than Schoeps MK4 & DPA4011.
But the increased capability I'd really like is to have 12dB/8ve LF cut like U67. You MUST have some LF cut in a cardioid or Fig-8.
I've not been able to do this sensibly (with low noise, THD, simplicity bla bla) until Homero's Charis.