[sdiy] feedback configuration - WAS: 1/8th inch questions

[J. Larry Hendry]

Rarely do I see this done, but it seems to make so much sense.  I always
have a resistor on the amp output going to jacks to protect the amp from
short circuits. (usually 470 to 1K).   So, why would one not ALWAYS take the
feedback resistor from the load side of this presumably relatively small
resistor for the greater accuracy over varied loads?  Is this OK for
inverting and non-inverting configurations? Any disadvantages?

I used a version of this in one of my circuits (not so much because I
totally understood it, but because I copied it from someone else that
certainly did).

Larry H

----- Original Message -----
From: Roman <modular at go2.pl>
So for tuning outputs (midi2cv, sequencer, etc.) one can use opamp with
feedback taken from output resistor, put there for
stability purposes, and not from opamp's output directly. No matter how many
modules connected, this circuits maintains proper voltage, up to opamp's
current limits.
Roman