Cartridge and Microphone do the same thing!
http://www.audio-technica.com/cms/site/b0d226992d31e25d/
If you use a Stethoscope you will hear tapping on any arm you use!
http://bestreviews.com/best-stethoscopes
http://www.audio-technica.com/cms/site/b0d226992d31e25d/
If you use a Stethoscope you will hear tapping on any arm you use!
http://bestreviews.com/best-stethoscopes