Transfiguration Temper Supreme cartridge loading

I'll try 1000 ohms, along with a few others, over the next few days, but I've now switched back to 10 ohms and am loving it. I hear more details, many of which I've never heard before, and the 'electronic sound' has largely disappeared. Now, would the dynamics be compromised by the cartridge itself or the electronics trying to amplify the signal? If it's the latter, that may not be a problem, but please correct me if I'm wrong, as both my preamp (Spectral DMC-20) and amp (Spectral DMA-180) are capable of very high currents.

With further listening, I found the 10 ohm setting to continue to sound excellent, but I did find the dynamics to be somewhat compressed. I tried 800 ohms, and the dynamics were much improved, but the air around the instruments and vocals was significantly worse. Also, instruments such as piano and saxophone became much less 'real' sounding and took on a more metallic/electronic sound. Surprisingly, the noise floor also seemed to become increased. Maybe for this reason, or maybe something to do with the increased dynamics, the instruments became less located in space...everything kind of ran together.
So, I switched back to 100 and then 30 ohms, and I found the latter to give the best compromise between the clarity and correct space of the 10 ohm setting and the dynamics of the 800 ohm setting. And, it's not so much of a compromise...it gets both clarity and dynamics close to just right for my ears (and I think it's pretty accurate as well).

My guess is the right setting is between 10 and 30 ohms- Lewm is right about 10 ohms being overdamped. If the load reduces the output of the cartridge, then it is too low.