Swedish Analog Technology (SAT) LM-12 Tonearm: Analog Playback Meets Rocket Science review

I finally got my hands on a Koetsu stone bodied cartridge, a Jade Platinum. Much has already been written about these newer Koetsus, which take the legendary midrange sound of the old Sugano-made Koetsu and extends the frequency range through some changes in wiring, magnets and the use of exotic stone bodies. Having lived with some fairly well-regarded high-end phono cartridges for the past few decades, including Van den Hul, Lyra and Airtight, I was surprised by the sound of the Koetsu. I knew about the legendary midrange; I had experienced that first-hand many years ago when Koetsu first arrived on these shores. But I was not expecting what this cartridge is capable of in the lower octaves