Best Cartridge for Kuzma Airline

I have heard it with the Transfiguration on a system that was not mine and it sounded amazing (i think it was the then latest W version of the cartridge); I have the arm and use a Lyra Titan (i) which may not be everyone's cup of tea. In talking with the US importer, who recommended, among others, the London and the Dynavector, I also heard through his dealer that the Airtight cartridge has the lifelike virtues in which this arm excels. That may be my next cartridge.

Thank you very much for your help. Heard too, that the Temper "W" is a good match, same about the Titan.

I think one of the van den Hul Colibri series cartridges would work well. They are very low mass and high compliance. In a thread from last year, Mikelavigne noted that this cartridge outperformed the XYX Universe and Dynavector XV-1S with his Rockport linear tracking arm. The design of the Rockport arm and the Kuzma arm are very similar.

Thanks, but vdH are more for Dealers, not for me ...

Given the fact that the optimal cartridge weight should be less that 9 grams, I wouldn't think that the Lyra Titan at 12 grams, or the Dynavector XV-1s @ 12.6 grams, would be the best fit for this particular arm.
All things being equal I would imagine that the Xyx cartridges at 5 grams or the VDH Colibri at 6 grams would work better.