The synergistic (hopefully .... ) effects between the electromechanical transducer (cartridge) and the tonearm are exemplary demonstrated by the FR-60s tonearms in conjunction with the FR-7 series of cartridges.
The spring-mass relations as well as the ability to conduct and transmit the energy of the tracking process very fast from the cartridge to the arm board is key.
The FR-60s tonearms and FR-7 cartridges do form a singular synergistic match in analog audio. Each being designed with the other in mind and taking into account all the mechanic-dynamic parameters of the other.
Proofing IMHO that cartridge and tonearm can never be viewed nor judged independently. There is no universal tonearm and there is no cartridge "working best on most every good tonearm".
Done right, the whole picture is always more than the sum of the pieces ....

