[sdiy] The sound of various Op-Amps

[René Schmitz]

Hi Harry and Andre,

harrybissell wrote:
> The 5532 is best suited for really low input impedance... maybe 1K would
> be optimal and 10K an outside limit.  Higher than that...all your low-noise
> benefits fade away.

You have to use relatively low values with every low-noise opamp, 
because at some point the noise from the resistors exceeds the opamp 
noise. The advantage of the 5532/4 is that it can properly drive these 
low impedances without sacrificing the THD.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159