An oscilloscope built into a stereo or stereo-quad system for monitoring signal amplitude and separation.
"Thanks you, thank you, thank you. It took me over 25 (!) years to collect some of those rare singles, and once I had them all, I had a dilemma. Some of those are valued in the 4 digits, so each time I put them on the turn table, I reduced their value as the needle scratches the vinyl. LP2CD gave me the perfect solution. I can listen to my ..."