Don, I, for one, also do advocate using the mono mode where it's available. However, many if not most "modern" preamplifiers do not provide such a switch. In that case, one either has to know how to create a mono signal from a stereo one, electronically, or to buy a mono cartridge. Further, if the mono mode switch is available, I think there may be something to be gained even in that case by using a mono cartridge. However, if one does not wish to spend the money, a mono switch will certainly be a big improvement over listening to mono LPs in stereo mode with a stereo cartridge. I guess that's my opinion, too. I happen to have two vintage preamplifiers that provide mono switching; that's how I found out what one is missing if one doesn't listen to mono LPs in mono, no matter how one goes about it. This is getting monotonous.