[Wind Chaser]

Summary Table

Sub-bass   20 to 60 Hz
Bass   60 to 250 Hz
Low midrange   250 to 500 Hz
Midrange   500 Hz to 2 kHz
Upper midrange   2 to 4 kHz
Presence   4 to 6 kHz
Brilliance   6 to 20 kHz

Agree? Disagree?

https://www.teachmeaudio.com/mixing/techniques/audio-spectrum/

[G Georgopoulos]

Summary Table

Sub-bass   20 to 60 Hz
Bass   60 to 250 Hz
Low midrange   250 to 500 Hz
Midrange   500 Hz to 2 kHz
Upper midrange   2 to 4 kHz
Presence   4 to 6 kHz
Brilliance   6 to 20 kHz

Agree? Disagree?

https://www.teachmeaudio.com/mixing/techniques/audio-spectrum/

agree, but to me mids are 500hz to 5000hz most speaker drivers are mids in that band...

[JLM]

Disagree with them. 


Here's useful chart that has been posted on AC before: 

http://www.audio-issues.com/music-mixing/all-the-eq-information-youll-ever-need/


I'd range sub-bass < 25 Hz (inclusive of giant pipe organs and below a harp or the bottom key on a standard 88 key piano), bass 25 - 80 Hz (below hand held string instruments), mid-bass 80 - 200 Hz (below female voice, flute, or violin where "body/fullness" is provided), otherwise I'd follow to the chart (don't know they mean by presence and brilliance). 

[emailtim]

UPDATE: JLM already beat me to it.

I have always referred to this chart.

HTH

[Wind Chaser]

So midrange effectively begins around 250 - 300 Hz?

[emailtim]

So midrange effectively begins around 250 - 300 Hz?

It is probably called "Middle C" for a reason.   

"Middle C" is designated C4 in scientific pitch notation with a frequency of 261.6 Hz, because of the note's position as the fourth C key on a standard 88 key piano keyboard.

[Russell Dawkins]

Most of these frequencies comply with the chart JLM referred to and I think they're close enough. There is no formal convention.

I would argue only with the choice of 4-6 kHz as the 'presence' range. My first mixing board, a Mackie CR 1604 (one of the first dozen to leave the factory in around 1988) had for EQ controls a high shelf, a low shelf and a midrange control which they said affected presence, and it did, very effectively. It was centered on 2.5 kHz.

[Mike-48]

Thanks, @JLM and others, for the references to that chart. I ordered one, and it's at the frame shop now. Soon it'll find its place in my listening room (where I also do some live recording occasionally).