[sdiy] Tanh (was Re: LTSpice macromodell help)

[David G. Dixon]

> Aah, "tanh", the function for all seasons...
> 
> I came across this the other day:
> 
> 	http://www.m-audio.com/products/en_us/Venom.html
> 
> The marketing blurb says:
> 
> 	"resonant multimode filter with tube saturation limiting"
> 
> No prizes for guessing what function they put between the 
> filter stages in that DSP model, or whose paper they've been 
> reading to get the ideas for nonlinear digital filter 
> implementation, eh Antti?


(Warning: potentially stupid question ahead)

So, does this mean that a sine shaper would be an effective "preamp" for a
filter?