[sdiy] Phase reversal-free op amp

[Scott Nordlund]

> On Tue, Feb 15, 2011 at 2:14 PM, Andre Majorel  wrote:
> > Do you folks have any recommendations for phase reversal-free,
> > high input impedance op amps ?
> >
>
> LM324?

Woah, no need to go into super exotic audiophile territory! The 
slew rate is 500000V/s, that sounds scary! And the analog warmth
of the crossover distortion (plainly visible on an oscilloscope) 
is just too awesome to handle.

Actually I have anecdotal reports of phase reversal on those too.