Boss GEB-7 Bass Graphic Equalizer

R2,299.00 R1,799.00

1 item sold

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




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

Controls : 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)

Connectors : 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.

Accessories : 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


Width : 73 mm
2-7/8 inches

Depth : 129 mm
5-1/8 inches

Height : 59 mm
2-3/8 inches

Weight (including battery) : 440 g
1 lb