GEB-7

Bass Equalizer

GEB-7

Precise Tonal Control

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.

Audio Library

　
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
Size and Weight
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
* 0 dBu = 0.775 Vrms
*The specifications are subject to change without notice.

Downloads

Brochures

Support

If you have questions about operating your BOSS product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.

Support Documents