AC-60: Tone Knob EQ specifications

AC-60 Tone Knob 3-Band EQ center frequency:

- HIGH: 4kHz +/-15dB (GUITAR CHANNEL)
5kHz +/-15dB (MIC/LINE CHANNEL)

- MID : 660Hz +/-15dB (common GUITAR and MIC/LINE)

- LOW : 80Hz +/-15dB (common GUITAR and MIC/LINE)