With EQ it's better to cut then boost
When you boosting EQ its starts tearing
High pass filter effect the low(allow high to pass)
Low pass filter effect the high (allow low to pass)
Bandwidth allow frequency pass through
1-4DB is the normal cut
Everything gets effect when you cut harmonics
700-900 hertz is your nazzle voice for nose MF
HMF effects the S 6k-9k
Start cuts before boosting