Boss GEB-7 Bass Equalizer

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  • 50Hz to 10kHz Frequency Range Designed for Bass
  • Can be Used as a "Boost" or "Cut" Pedal
  • Great for Eletric-Acoustic Bass

Boss GEB-7 Bass Equalizer


The GEB-7 is a seven-band equalizer created specifically for the frequency range of the electric bass. Since the frequency range extends down to 50Hz, the GEB-7 is also great for adjusting depth and bottom end of an upright bass with pickups.

This Pedal is Eligible for Boss Collectors Club.

Product Ref: 9985

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Full Description

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  • 50Hz to 10kHz frequency range specifically designed for bass
  • Full range response, even for five- and six-string basses
  • Can be used as a "boost" or "cut" pedal using the level control knob
  • Great for eletric-acoustic bass applications
  • AC adaptor or 9V battery operation
  • Nominal Input Level

    -20 dBu

    Input Impedance

    1 M ohms

    Nominal Output Level

    -20 dBu

    Output Impedance

    1 k ohms

    Output Impedance

    1 k ohms

    Residual Noise Level

    -100 dBu (IHF-A, Typ.)

    Variable Range

    Equalizer Control: +/- 15 dB, Level Control: +/- 15 dB


    INPUT Jack, OUTPUT Jack, AC Adaptor Jack (DC 9 V)

    Power Supply

    DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor

    Current Draw

    16 mA (DC 9 V)


    Dry Battery 9 V type (6F22/9 V)


    AC Adaptor (PSA-Series)

    Size and Weight ( incl. battery )


    73 mm

    2-7/8 inches


    129 mm

    5-1/8 inches


    59 mm

    2-3/8 inches


    0.4 kg

    1 lbs.