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What is a Parametric EQ?

A parametric EQ permits the operator to not only set the cut/boost of a given band, but also the center frequency and the BANDWIDTH of that band. Typically, a band may be as narrow as, say, 1/6-octave, to as wide as 3.0-octave. The center frequency of the band is tuneable over a wide range, as well. So, instead of a single control per band, there are 3. A "semi-parametric" EQ has cut/boost, a frequency "sweep" control, but no bandwidth control.

Parametric EQ's excel at "honing in" on a problem frequency band and minimizing it. This can be a loud "hot spot" on a bass guitar, or a resonant node prone to feedback in a live situation. You can also set up a much wider band than the typical graphic EQ can do, allowing you to use it as a gentle "tone control".

Orban 622B Parametric EQ

I was wondering if anyone could tell me a little about the Orban Parametric Eq model 622B ?
I have come across one which has come out of a broadcast facility in Oz. I really don't know much about these units.

With the age I'd expect it would require recapping, but I'm keen to know if anyone is familiar with or has used one in their travels and if its worth taking a look at.

Massenburg Hi-Res Parametric: Linear or Minimum Phase?


I just got to play with a demo of the Massenburg Hi-Res Parametric EQ. It sounds pretty nice to me, but I would like to know more about it. Is it IIR or FIR? Linear phase or minimum phase? Nothing I can find online mentions these details, but maybe someone here has some inside info.

Parametric Equalizer

To pan, or panning refers to the act of moving the perceived location of a sound source within a stereo soundstage. Generally works by reducing or making louder the particular sound source in either the left or right channel of a stereo output. Although slightly more sophisticated electronics are used to control this movement accurately, the net result is the same.


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