Used TEKTRONIX Digital Oscilloscope For Sale - DOTmed Listing #4870613:,Old Tektronix 1750 Waveform Monitor that has coax inputs - usable for oscilloscope music? : r/oscilloscopemusic,TEKTRONIX 1731 Waveform Monitor + 1741 Waveform Vector Monitor - from dealer,1730 - TekWiki