Yes, Ortofon 2M Black can easily fit on the audio Technica at-lp1240 turntable. The supported cartridge weight for at-lp1240 is 3.5-8.5g without headshell, and with headshell is 13-18g. If we talk about Ortofon 2M Black, its weight is 7.2g, so the cartridge will work fine with Technica at-lp1240 turntable.