OG-440SpeakerTestOscillatorOG-424音频扫频信号发生器ProductSummaryThisoscillatorallowsmanualandautomaticsweepingoftheoscillationfrequency.Automaticsweeping,singleandrepetitivesweepingare***ailable.Theupperandlowerlimitsofsweeposcillationcanbesetasdesired.Outputvoltageandfrequencyaredisplayedwithanauto-rangingdigitalmeter.Providedwitha20Wpoweramplifier.Productspecificati***AutoSweepingTime:0.5to10seccontinuouslyvariable.SweepFrequencyRange:10Hzto20kHzPowerAmplifierOutput:20W(withoutputprotectioncircuit)LoadImpedance:2ΩormoreManualSweeping:10Hzto20kHzwithone-rangedialwithalogarithmicscale)