BF-3: Flanger Nominal Input Level-20 dBuInput Impedance1 M ohmsNominal Output Level-20 dBuOutput Impedance1 k ohmsRecommended Load Impedance10 k ohms or greaterDelay Time0.3 mS to 14.4 ms (GUITAR IN), 0.3 ms to 6.3 ms (BASS IN)LFO Speed100 mS to 18 SResidual Noise-95 dBu (IHF-A Typ.)ControlsPedal Switch, MANUAL Knob, RES (resonance) Knob, DEPTH Knob, RATE Knob, MODE KnobIndicatorCHECK Indicator (Serves also as tempo and battery check indicator)ConnectorsGUITAR IN Jack, BASS IN Jack, OUTPUT A (MONO) Jack, OUTPUT B Jack, AC adaptor Jack (DC 9 V)Power SupplyDC 9 V: Dry battery (9 V type), AC Adaptor (PSA-series: optional)Current Draw40 mA (DC 9 V)AccessoryDry battery (9 V type) S-006P/9 V (6F22/9 V) Owner's ManualOptionAC Adaptor: PSA-SeriesSize and Weight ( incl. battery )Width73 mm2-7/8 inchesDepth129 mm5-1/8 inchesHeight59 mm2-3/8 inchesWeight0.4 kg0 lbs. 15 oz.* 0 dBu = 0.775 Vrms.