Question Fixed EQ Bands?

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Hazvinei

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If you were to select center frequencies for an EQ with fixed bands what would they be?
 
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Personally, I'd suggest the following and that is also including the ability to select a maximum of two center frequencies on each and every band e.g. on band #1 you can either choose between 20 Hz and 25 Hz then on band #2 your choices are limited to either 30 Hz and 50 Hz, and so forth:

EQ BandCenter Frequency ACenter Frequency B
Band #120 Hz25 Hz
Band #230 Hz50 Hz
Band #380 Hz130 Hz
Band #4200 Hz300 Hz
Band #5500 Hz800 Hz
Band #61.2 kHz1.6...

Tanonoka

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Parametric equalizers are better than graphic equalizers though. I am assuming we are talking about music production, that is.

Of course, yes. In general parametric equalizers are vastly superior.

But that doesn't mean graphic equalizers can't be used for mastering or for mixing music as well. It just depends on the design.

Another major advantage of graphic equalizers is that making decisions is easier because having fewer choices will make you work faster and more intuitive.
 

Sadzandiuraye

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Of course, yes. In general parametric equalizers are vastly superior.

But that doesn't mean graphic equalizers can't be used for mastering or for mixing music as well. It just depends on the design.

Perhaps that's the question OP is asking about what center frequencies will be suitable for example in the context of mastering applications.
 

Scorpio

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Personally, I'd suggest the following and that is also including the ability to select a maximum of two center frequencies on each and every band e.g. on band #1 you can either choose between 20 Hz and 25 Hz then on band #2 your choices are limited to either 30 Hz and 50 Hz, and so forth:

EQ BandCenter Frequency ACenter Frequency B
Band #120 Hz25 Hz
Band #230 Hz50 Hz
Band #380 Hz130 Hz
Band #4200 Hz300 Hz
Band #5500 Hz800 Hz
Band #61.2 kHz1.6 kHz
Band #72.0 kHz3.5 kHz
Band #85 kHz6.5 kHz
Band #98 kHz10 kHz
Band #1012.5 kHz15 kHz
Band #1117.5 kHz20 kHz
Band #1222 kHz24 kHz
 
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Scorpio

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@Scorpio what about bandwidth (i.e. quality factor)?

That's actually one of the most difficult tasks to address when someone has to design their own graphic equalizer.

However, if we are talking specifically about mastering music, you can't go wrong with two and third octaves. The reason behind that is you want a quality factor that's slightly wider but not too broad either because you can always use the other bands to shape the curve you want if the need arises.

In other words, broad curves are less aggressive sounding but with a 2 and 1/3 octave quality factor, you are so of like in between a smooth sounding equalizer and an aggressive sounding equalizer.
 
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