ART7 vs. ART9 vs. OC9X-series vs. Soundsmith Zephyr MIMC Star

LOL

Note that the Soundsmith comes in a new more attractive housing. The old series were fugly.

dodgealum just read your review from 2017 - terrific!  Have become a fan of Sound-Smith cartridges and your description is representative to a house sound I've noticed - reminds me of the Strain Gauge and Hyperion I heard at CAF this year.

My progression: AT OC9MLII > AT ART 9 > Soundsmith MIMC Star. Here is what I wrote comparing the ART 9 and MIMC Star (and also Quintet Black) in my VPI: https://forum.audiogon.com/discussions/3-cartridges-reviewed?highlight=3%2Bcartridges

I haven't heard the new OC9 series carts in my own system. I did hear the new OC9MXL at the VPI house in an unfamiliar system so won't comment other than to say that Harry is a big fan of the new lineup. I was a big fan of my OC9MLII (and so is Keith Herron FWIW). Great cartridge for the money and probably all that anyone really needs. The ART 9 was better--cleaner, more refined, more detailed but mostly just lower distortion and an overall clearer presentation. The MIMC Star and the ART 9 are equally great just in different ways--you can follow the link for more comments on these two. 

Past carts-OC9 III, ART9

I'm wondering if the new OC9 series is just cosmetic with threaded  bodies, a cantilever change?

You're aware the 9 has a following. The 7 supposedly has the slightest bit of refinement(said an AT distributor)
Maybe noticeable to some?

The difference between the OC9III and the ART9 was clearly noticeable. And I liked the OC9. Great for the price. Cleaner presentation across the spectrum in my rig. The OC9 would occasionally lose control with busy higher frequency stuff,where the ART9 stayed in control.

I enjoyed mine nearly 3 years? IMO, a top 5, $1K cart. I have no idea what the other 4 would be!