Headrush Dynamics & EQ
Auto Q 8 Band EQ
Inspired by Revalver® Original (Plug-in)
It is an advanced 8-band parametric equalizer with:
- shelves (low/high)
- parametric bands
- HPF / LPF filters
- Auto-Q function (adaptive)
GENERAL FUNCTION
Shape the sound precisely
Correct frequency problems
Optimize vocals, guitar, mix
Main tool for professional sound shaping
Control Parameters
Auto QY/N
- Enable Intelligent Dynamic Q
Effect:
- ON: Q narrows as you increase the gain
- OFF: Q fixed
Useful for:
- natural boosts
- avoid artificial sounds
Make-Up GaindB
- Range: approximately −12 → +12 dB
- Compensates for volume variations
important after drastic EQs
Low Shelf FreqHz
- Operating frequency (~20–300 Hz)
Low Shelf GaindB
- Low boost/cut
Low Shelf Q
- Shelf slope/curve
Effect:
- Low Q → smooth transition
- High Q → more defined
Low FreqHz
- Frequency (~50–300 Hz)
Low GaindB
- Boost/cut
Low Q
- Bandwidth
Useful for:
- boom / body
Low Mid FreqHz
- ~200Hz – 800Hz
Low Mid GaindB
Low Mid Q
Critical area:
- “mud”
- boxiness
High Mid FreqHz
- ~1kHz – 5kHz
High Mid GaindB
High Mid Q
Area:
- presence
- attack
High FreqHz
- ~4kHz – 12kHz
High GaindB
High Q
Check:
- brilliance
- harshness
High Shelf FreqHz
- ~5 kHz – 20 kHz
High Shelf GaindB
High Shelf Q
For:
- air
- opening
High Pass FreqHz
- Low cuts below a frequency
Typical:
- voice: 80–120 Hz
- guitar: 60–100 Hz
eliminates noise / rumble
Low Pass FreqHz
- High cuts above a frequency
Typical:
- 8–12 kHz → warmer sound
Reduces:
- harshness
- digital noise
Pro Tips
- Excessive boosts → artificial sound
- Q too high → unnatural “notch” effect
- too many changes → loss of naturalness
- always balance with Make-Up Gain
Quick Reference
- Car: Car Q
- Shelf: Low / High Shelf
- Bands: Low / Low Mid / High Mid / High
- Filters: HPF / LPF
- Outputs: Make-Up Gain
Setup Examples
Clean vocals (live)
HPF100Hz
Low Mid−3 dB (300 Hz)
High Mid+2 dB (2 kHz)
High Shelf+3 dB
Clear and present
Acoustic guitar
HPF80Hz
Low−2 dB (150 Hz)
High+2 dB (6 kHz)
Natural
Modern mix (bright)
Low−2 dB
High Shelf+4 dB
LPFOFF
Open and defined
Anti-harsh
High Mid−3 dB (3–4 kHz)
LPF10kHz
Softer