this is a large plinth dual arm setup, and you could do what I did, add the audio technica lifter for the main/long arm, then have a second arm in the back, for mono cartridge ....
https://www.ebay.com/itm/Denon-Dp-3000-Dk-2000-Analog-Player-With-Double-Arm-DA-308-Unknown-maker-Uesd/183692949405?_trkparms=ispr%3D1&hash=item2ac4f3f79d:g:FcYAAOSwyhVca8Z1&enc=AQAEAAACYIQvEcHUrT7nmUC3yY5qbPyaBN1nJEDYW8MyypsJPgXKBE6azt8cGhqIvkcfFDcbkyCbo1uZrO3210WWi3PkO9%2BIfcFnOQi3iHr9TB4uTTEacSPTYxEoLNBlThhDMUYaWUEhgjNisyPVYRwMEMV4Czwlp%2FABhifbNmwVUj00Ft4M5fwHOh27i20XDMoDLpgVOh6orJVmgoqJ9de2RdraBBVYonBVCb5FkNJzz62uhYVEuVUR9%2Br%2FnEcTXZB3EjysGVtu7KBshKy3QC8%2FvyDNzNtDaW359BEVfMmerH5yf5aT5UVkDH%2BmlFrl4%2FBb03ywwPA7ZG%2Fv7Iv78qDuMGUa4CGKIR4frQpLfOj1tQ2aok900p13d%2BLLtJHUef3pBSOcdI45rqQrRdHpx9s4soSyQ3hbMKuDUWBCr9IZGcsKByznscdLIDljJQSQUVZU%2FCW%2FdHJLO17zapg2ZYfy3%2FmARv7gTYyT5FbbMAn1AtTGbl9TvP%2B2a3HS1qKAS6v2sO2g7LYRSreVH1zj4Jv3E1vJQ6hEJq3yolPyRc%2F4LP5A30FXvcY%2FowsBiA0IEpWnwo3%2FdCOAK1C2lGlm5diQq1IH35gjzYlxLYlHquN2i3t2o6r7vw2RqYyOJAyR4guS5Scs%2BokY7h4sr4sfaEj5I%2Bstnio%2B8z%2FgVgFnVTe7aYwXG%2FMkWFCO64RV72EbHOHsEEE5OJMYOZv5ykjY5S8kzCt%2FZHQ2gFwPsoMTNJ2DNWW7yKUgxw%2BEAXxwvdxv%2FmP%2BG%2BjrIXql2f7ERtBIy73rGdSmYdNxtq16AHn3tm9C3nTQX5mc&checksum=183692949405f470ed1eb7554564ab41fe209597c8fc
mine is the large plinth dual arm JVC version of this Denon.
https://www.ebay.com/itm/Denon-Dp-3000-Dk-2000-Analog-Player-With-Double-Arm-DA-308-Unknown-maker-Uesd/183692949405?_trkparms=ispr%3D1&hash=item2ac4f3f79d:g:FcYAAOSwyhVca8Z1&enc=AQAEAAACYIQvEcHUrT7nmUC3yY5qbPyaBN1nJEDYW8MyypsJPgXKBE6azt8cGhqIvkcfFDcbkyCbo1uZrO3210WWi3PkO9%2BIfcFnOQi3iHr9TB4uTTEacSPTYxEoLNBlThhDMUYaWUEhgjNisyPVYRwMEMV4Czwlp%2FABhifbNmwVUj00Ft4M5fwHOh27i20XDMoDLpgVOh6orJVmgoqJ9de2RdraBBVYonBVCb5FkNJzz62uhYVEuVUR9%2Br%2FnEcTXZB3EjysGVtu7KBshKy3QC8%2FvyDNzNtDaW359BEVfMmerH5yf5aT5UVkDH%2BmlFrl4%2FBb03ywwPA7ZG%2Fv7Iv78qDuMGUa4CGKIR4frQpLfOj1tQ2aok900p13d%2BLLtJHUef3pBSOcdI45rqQrRdHpx9s4soSyQ3hbMKuDUWBCr9IZGcsKByznscdLIDljJQSQUVZU%2FCW%2FdHJLO17zapg2ZYfy3%2FmARv7gTYyT5FbbMAn1AtTGbl9TvP%2B2a3HS1qKAS6v2sO2g7LYRSreVH1zj4Jv3E1vJQ6hEJq3yolPyRc%2F4LP5A30FXvcY%2FowsBiA0IEpWnwo3%2FdCOAK1C2lGlm5diQq1IH35gjzYlxLYlHquN2i3t2o6r7vw2RqYyOJAyR4guS5Scs%2BokY7h4sr4sfaEj5I%2Bstnio%2B8z%2FgVgFnVTe7aYwXG%2FMkWFCO64RV72EbHOHsEEE5OJMYOZv5ykjY5S8kzCt%2FZHQ2gFwPsoMTNJ2DNWW7yKUgxw%2BEAXxwvdxv%2FmP%2BG%2BjrIXql2f7ERtBIy73rGdSmYdNxtq16AHn3tm9C3nTQX5mc&checksum=183692949405f470ed1eb7554564ab41fe209597c8fc
mine is the large plinth dual arm JVC version of this Denon.