Instrument Frequency ranges and some crucial EQ bands and what they sound like

50-60 Hz

-Thump in a kick drum
-Boom in a bassline
-Essential in dub, dubstep and reggae !
-Too much and you’ll have flapping speakers and a flabby mix
-Too little, and the mix will never have enough weight or depth

100-200 Hz

-This EQ band adds punch in a snare
-Gives richness or “bloom” to almost anything
-Too much makes things boomy or woolly
-Too little sounds thin and cold

200-500 Hz

-Crucial for warmth and weight in guitars, piano and vocals
-Too much makes things sound muddy or congested
-Too little makes them thin and weak

500-1000 Hz

-One of the trickiest areas
-Gives body and tone to many instruments
-Too much sounds hollow, nasal or honky
-Too little sounds thin and harsh

2 kHz

-Gives edge and bite to guitars and vocals
-Adds aggression and clarity
-Too much is painful!
-Too little will sound soft or muted

5-10 kHz

-Adds clarity, open-ness and life
-Important for the top end of drums, especially snare
-Too much sounds gritty or scratchy
-Too little will lack presence and energy

16 kHz

-Can add air, space or sparkle
-Almost too high to hear
-Too much will sound artificial, hyped or fizzy
-Too little will sound dull and stifled