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. Features 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 Specifications 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 knobEqualizer Control knob50, 120, 400, 500, 800, 4.5 k, 10 kHzPedal switch Indicator CHECK indicator (Serves also as battery check indicator) Connectors INPUT jack: 1/4-inch phone typeOUTPUT jack: 1/4-inch phone typeDC IN jack Power Supply Carbon-zinc battery (9 V, 6F22)Alkaline battery (9 V, 6LR61)AC adaptor (PSA series: sold separately) Current Draw 30 mA Expected battery life under continuous use Carbon: Approx. 8.5 hoursAlkaline: Approx. 18.5 hours*These figures will vary depending on the actual conditions of use. Accessories Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")Carbon-zinc battery (9 V, 6F22) Options (sold separately) AC adaptor: PSA series
