Description: Low-output moving-coil cartridge. Output: 0.6mV. Compliance: 10–12cu (compliance units). Channel separation: >30dB (1kHz). Cantilever: one-piece boron rod. Stylus profile: proprietary (see text). Recommended load: 5–47k ohms. Recommended downforce: 1.8–2.0gm.
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The Koetsu Black was IME a better match with the SME V than the Koetsu Urushi which I also have owned.
I think it is a mistake to only concentrate on the mids when talking about Koetsus. They are also extraordinarily dynamic.