Information on the maker’s site is pitiful
"Black, Goldline, least expensive
For many, their Koetsu journey starts with the Black Goldline. While it is the most affordable Koetsu, it doesn’t sacrifice what makes a Koetsu special. The Black Goldline uses many of the same parts as the higher end models and the result is effortless musicality and magic.
"From the clarinets in the opening to the deeply textured final chord of the first movement, the Koetsu’s performance was impossible to ignore: This wasn’t just pretty sound in place of the music but sound as a part of the music." Art Dudley, Stereophile
“The thing that really grabs me when listening to this moving coil cartridge is its overarching realism, musicality, clarity, and wide open extended sound.”
Michael Corsentino, Positive Feedback
Specifications
Anodized Aluminum Body
Copper Coil Wiring
Samarium Cobalt Magnet
Boron Cantilever
0.4 mV Output
10.2 g Net Weight
Recommended Tracking Force 1.8-2.0g
Recommended Load 75-500 ohms
$2,995"
they don't even tell you it’s a moving coil, (the reviewer mention’s that it is) or it’s coil’s impedance (member viridian tells us above it is approximately 5 ohms coil impedance), or publish any performance specs for stereo separation or channel balance.
they give a wide range of recommended load 75-500 ohms, and tell you it has a boron cantilever, but tell me, what stylus shape is it?
guidance formula for loading a moving coil is start with 10x it’s coil impedance, which is approximately 50 ohms, yet they say 75 to 500 ohms.
........................................
top of the line, Blue Lace, $16k, this is all they tell you
"Specifications
Blue Onyx Stone Body
Silverplated Copper Coil Wiring
Platinum Magnet
Boron Cantilever
0.3 mV Output
12.5 g Net Weight
Recommended Tracking Force 1.8-2.0g
Recommended Load 75-500 ohms
$15,995"
...........................................
