[sdiy] Passive filters and impedances

[Andrew Simper]

On 2 November 2015 at 03:15, Donald Tillman <don at till.com> wrote:
>
> The goals of hi-fi tone controls are: flat response at 12 o'clock, subtle adjustments at the ends of the spectrum, and no interaction between the controls.
>
> It's the exact opposite in the guitar amplifier world; we don't care about flat response at 12 o'clock (and in fact the instrument sounds kind'a dull with a flat response), wild variations in timbre are a feature, and interaction makes it more interesting.
>
> It's the difference between producing music and reproducing music.
>
>   -- Don

It seems to me that most guitar EQ sections are built to make a
"smiley face" when at neutral to somewhat counter the bandpass / mid
heavy nature of the speakers.

Andy