>  Does anyone here know of any
> good (free if possible) real time spectrum analyzer software for
> Windows? I want to be able to view what audio is coming out of this
> guitar interface.

Mayhaps

PC soundcard based:

           http://www.techmind.org/audio/#specanaly

         From:  http://www.techmind.org/audio/#intro


Mod for DC response
YMMV
Caveat Emptor

     http://blog.makezine.com/archive/2008/05/how-to-modify-a-pc-sound.html

Related

     http://www.edaboard.com/thread136601.html

Zelscope $10

    http://www.zelscope.com/

TrueRTA
Versions for $0

   http://www.trueaudio.com/rta_abt1.htm

Legion

     http://www.dxzone.com/catalog/Software/Spectrum_analyzers/

Virtins
21 day trial free

        http://www.virtins.com/
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