Create own tone stacks in Duncan Tone stack calculator?

[blacKtearZ]

Hi,
Does anyone know if we can create our own tone stack configurations in Duncans tone stack calculator? Not just changing values of components but actually be able to create new setups like for eg...the shredmaster contour control?
Thanks

[John Lyons]

I don't think so.
You can only change the values.

[GibsonGM]

You could get LT Spice and just make up your own if you like, and apply .ac analysis with a parameter sweep - not too hard to do once you jump in, and then you can use the same method to analyze filters, bypass caps, input/output networks, etc etc.   And it's free!!

[ragtime8922]

I just got a program called Nuhertz filter solutions that is supposed to be awesome. I heard it was like $1500-$3000 but I got it for free. As soon as I install it I'll post a review.

[PRR]

> You can only change the values.

Trivial point: you can change to a "simpler" filter by changing parts to a "don't matter" value. 100Megs/1 ohm, 1pFd/100uFd, will make a part open/short for all practical purpose.

However most guitar-amp tone stacks are already as simple as possible and stay "useful". "Taking parts out" will give you "less useful" control. If you are looking for something "gentle", you may come across something amusing. Mostly you get no-good solutions.


> I just got a program called Nuhertz filter solutions that is supposed to be awesome.

Too frikkin' awesome for me! I know a little about filters, this is for guys who build filters with hammer and whip.

The $3000 version does things you do not want to know about, with technical support. The FREE version still does things you will never want to do; let us know if you can get down to basic R-C networks without getting lost.

I don't off-hand see "potentiometers". That means knob-variable filters will be very tedious to set-up and plot.

http://www.nuhertz.com/download.html

Filter Free 2009 (14MB) (Windows only)
Free software.  No license required.

[soggybag]

If I understood the formula I could write a program that plotted the graph for the tome stack calculator. I do a lot of programming with Adobe Flash.

[CynicalMan]

If I understood the formula I could write a program that plotted the graph for the tome stack calculator. I do a lot of programming with Adobe Flash.

Or everyone could just get LTSpice to do it for them (as suggested by GibsonGM). WAY more customizable than TSC. It's just a bit more work.

[aziltz]

you can always calculate it by hand, its just a few complex numbers.  it should be in any good electronics book.  the algebra is what kills you, but once its in the form A + iB its just a simple magnitude and phase calculation which will depend on frequency (omega).

but LTSpice and 5 Spice work much quicker.

[GibsonGM]

As PRR alluded to, pretty much all the "good stuff" is in Duncan's, anyway. It's just a matter of simplifying if you want to (altho Big Muff TS doesn't get much simpler...).  Going much more complex would = filter design, eeehhhhhhh.  The good designs have found their way into our amps/FX already (the Fender, Marshall, Vox setup is one example, used countless times to good end). 
If you want to simulate the stuff Jack Orman has at AMZ, LT Spice does it very, very well, IMHO.....