
[Frequency]
[pros]
[cons of boosting too much]
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16Hz to 60 Hz:
Sense of power, felt more than heard
makes music muddy
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60Hz to 250Hz
Fundamentals of rhythm section, EQing can change musical balance making it fat or thin
makes music boomy
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250Hz to 2KHz
Low order harmonics of most musical instruments
telephone quality to music 500 to 1KHz horn-like, 1K to 2KHz tinny, listening fatigue
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2KHz to 4KHz
Speech Recognition
3KHz listening fatigue, lisping quality, "m:, "v", "b" indistinguishable
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4KHz to 6KHz
Clarity and definition of voices and instruments, makes music seem closer to listener, adding 6db at 5KHz makes entire mix seem 3db louder
sibilance on vocals
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6KHz to 16KHz
Brilliance and clarity of sounds
sibilance, harshness on vocals
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Key Frequencies For Instruments:
Bass Guitar
Attack or pluck is increased at 700 or 1KHz; Bottom added at 60 or 80Hz; string noise at 2.5KHz
Bass Drum
Slap at 2.5KHz; Bottom at 60 or 80Hz
Snare Drum
Fatness at 240Hz; Crispness at 1 to 2.5KHz; Bottom at 60 or 80 Hz
Hi-Hat and Cymbals
Shimmer at 7.5 to 10KHz; Klang or gong sound at about 200Hz
Toms
attack at 5KHz; Fullness at 240Hz
Floor Toms
attack at 5KHz; Fullness at 80 or 240Hz
Electric Guitar
Body at 240Hz; Clarity at 2.5KHz
Acoustic Guitar
Body at 240Hz; Clarity at 2.5KHz; Bottom at 80 or 120Hz
Piano
Bass at 80 or 120Hz; Presence at 2.5 to 5 KHz; Crispness at 10KHz; Honky-tonk sound at 2.5KHz as bandwidth is narrowed; Resonance at 40 to 60Hz
Horns
Fullness at 120 or 240Hz; Shrill at 2.5 or 5KHz
Voice
Fullness at 120Hz; Boominess at 200 to 240Hz; Presence at 5KHz; Sibilance at 2.5KHz; Air at 12 to 15 KHz
Harmonica
Fat at 240Hz, bite at 3 to 5KHz
Conga
Resonant ring at 200 to 240Hz; Presence and slap at 5KHz