Sοmе recent oscilloscope spectrum analyzer auctions οח eBay:

Real Time FFT Audio Spectrum Analyzer Oscilloscope Equalizer NOW Spectrograph !

US $26.95 (0 Bid) End Date: Thursday May-24-2012 7:00:28 PDT Buy It Now for only: US $29.95 Bid now | Buy it now | Add to watch list

Real Time FFT Audio Spectrum Analyzer Oscilloscope Equalizer NOW Spectrograph !

US $26.95 (0 Bid) End Date: Friday May-25-2012 7:00:01 PDT Buy It Now for only: US $29.95 Bid now | Buy it now | Add to watch list

Real Time FFT Audio Spectrum Analyzer Oscilloscope Equalizer NOW Spectrograph !

US $26.95 (0 Bid) End Date: Saturday May-26-2012 7:00:15 PDT Buy It Now for only: US $29.95 Bid now | Buy it now | Add to watch list

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