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Effects Pedals

Boss GEB-7 Bass Equalizer Pedal: Click for more info


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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.

  • 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
  • BOSS five-year warranty

Dispatch within 24 hours (subject to supplier availability)

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Additional Info

Specs and Features

Nominal Input Level:  -20 dBu

Input Impedance:  1 M ohm

Nominal Output Level:  -20 dBu

Output Impedance:  1 k ohm

Recommended Load Impedance;  10 k ohm or greater

Bypass:  Buffered bypass


Level Control knob
Equalizer Control knob
50, 120, 400, 500, 800, 4.5 k, 10 kHz
Pedal switch

Indicator:  CHECK indicator (Serves also as battery check indicator)


INPUT jack: 1/4-inch phone type
OUTPUT jack: 1/4-inch phone type
DC IN jack

Power Supply:

Carbon-zinc battery (9 V, 6F22)
Alkaline battery (9 V, 6LR61)
AC adaptor (PSA series: sold separately)

Current Draw:  16 mA

Expected battery life under continuous use:

Carbon: Approx. 16.0 hours
Alkaline: Approx. 28.5 hours
*These figures will vary depending on the actual conditions of use.


Owner's Manual
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
Carbon-zinc battery (9 V, 6F22)

Option (sold separately):  AC adaptor: PSA series