[sdiy] tonal tilt

[Mike Beauchamp]

Thanks Travis,

That's the program I used to simulate the exact tonestack in my
sovtek.. I did get a pretty damn flat response with much tweaking in
that program, and when I copied my settings to the real amp..
shittyness ensued. Flat response from a guitar amp is definitely not
the goal, but I wanted to learn the hard way. :)

Mike


On 10/5/07, Travis Shire <tshire at charter.net> wrote:
>
> > Totally Off Topic.. but I asked this in a guitar amps forum years ago
> > and never got a response. I wanted to run my guitar amp "flat", so
> > none of the tone controls were colouring the sound.. as though they
> > weren't even there. I never knew if the presence knob should be at 0,
> > 10 or in the middle.
>
> The presence control is an "active" control since its taking freq dependant
> feedback from the output and shoving it back into the phase inverter. You
> can never have a truly flat response with a standard passive tone stack.
> Even with all the controls full up they will alter the signal (we call it
> robbing).
>
> See here:
> http://www.duncanamps.com/tsc/
>
>
>
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