Koetsu Black MC (Moving-Coil) Phono Cartridge - Excellent Condition

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General:
Koetsu is one of our favorite phono cartridge brands, and we’ve yet to come across a model that didn’t perform beautifully.

The Koetsu Black is a serious Moving-Coil cartridge. Features include a boron cantilever, strong Samarium cobalt magnet, and a beautiful anodized aluminum body.

Tested and working beautifully in our shop and inspected under our dedicated shop microscope. This will ship in a wooden box to ensure save travels, and it will also also come with its pictured stylus protector.

SkyFi Cosmetic Notes:
Almost no signs of wear on the cartridge. Looks really clean.

SkyFi Technical Notes:
Showing light wear

Ownership:
Second Owner

General Sound:
Smooth, uncolored, undistorted natural and clean

Cosmetic Condition:
8/10 = Very Good. Excellent front faceplate, one minor flaw on chassis side or top. See our detailed rating description here.

Working Condition:
Working perfectly and tested in our lab.

Included:
Just the Unit

Packing:
Will be packed using our highly developed in-house process and custom packing materials.Specs:
Output:
0.4 mV 

Tracking Force:
1.8 - 2.0 gram 

Loading:
Approx. 30-100 Ohms 

Output Impedance:
5 Ohms 

Cartridge Mass:
Approx. 9g - 10g 

Cantilever:
Boron

Testing Process:
We start by doing a detailed physical inspection under light magnification to asses the cantilever condition, its position in the cartridge body, and the condition of the suspension.

We also inspect any coil wires and the output connections to make sure it hasn't been strained. We then perform a light cleaning with specialized agents and very carefully blow dry with compressed air.

Following that, we conduct a thorough examination using our Wild Heerbrugg professional microscope. From there we can asses the wear and quality of the stylus and determine how much use it has seen, and if there are any mechanical issues. We can also identify if it needs further cleaning or care.

We then move the cartridge to a digital microscope where we take photos of the cantilever and stylus for future reference.

Next we move to the test bench where we can check for continuity of each channel and resistance.

On certain cartridges (or if the technician feels necessary) we install the cartridge on a turntable and run several test records to ascertain tacking ability, distortion, and compliance.