AC analysis
Thank you peter, for your help about tubes
My question today is :
How does AC analysis function ?
I have a problem with ngspice. I have test a sample circuit with AC analysis
given in the package. but it says me "internal error -- segmentation
violation"
and he quit. In interactive mode, when i type "ac" only or with options, it
give
me it again. but when i type in exemple "dc", it doesn't quit.
Is it a bug or it is me ?
Another question : what do you think about this ?
There some circuit where two 12AX7 give a distiortion, but when you switch,
you
have a clean sound with an only tube. but can we let the two tubes and have
resistors who divide voltage (sorry i dont speak english well) so as to get
the
same voltage on the second tube input as on the first lamp input ? The quality
will be the same (spice says me yes but i dont think so) ? And if i do that,
the button of distortion channel will never cut off the sound when it is in
minimum but give the same than the clean channel.
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