Acoustic Pre

• Typical range: approximately −12 → +12 dB
• Frequencies: ~80–200 Hz

Function:

• controls the low frequencies

Effect:

• negative → less “boom” / cleaner
• positive → more body

Useful for:

• Reduce live rumble
• give depth to subtle sounds

• Range: approximately −12 → +12 dB
• Frequencies: ~400 Hz – 1.5 kHz

Function:

• check the averages (most critical area)

Effect:

• negative → less “nasal”
• positive → more presence

Fundamental for:

• make the guitar stand out in the mix
• remove annoying frequencies

• Range: approximately −12 → +12 dB
• Frequencies: ~4kHz – 10kHz

Function:

• controls the high frequencies

Effect:

• negative → hotter / less harsh
• positive → brighter / defined

Useful for:

• add attack and air
• correct piezos that are too sharp

• Norm: normal phase
• Inv: phase inversion (180°)

Function:

• fixes problems with:
• live feedback
• phase cancellations
• interference with monitor/PA