Koetsu Urushi Black Cartridge
Urushi Black
The Japanese art of Urushi is a tradition dating back 10,000 years. This natural lacquer is sourced from the caustic sap of the indigenous Urushi trees. The Urushi is applied by the hands of select Japanese artisans. Once the lacquer cures it hardens around the natural rosewood body changing its resonant frequency.
All Koetsu Urushi models use silver cladded ultra-high purity copper coils. This process involves a silver sheath being slowly drawn over the copper.
Many say the Urushi body Koetsus offer an even more exciting sonic signature compared to the standard Rosewood models.
"The music was so captivating and involving that time became irrelevant and the music was everything." 10Audio.com
Reviews
Home Theatre Review, Ken Kessler, 2009
Play some Hendrix, some Otis, some Orbison, some Fogerty via Creedence – all different textures and ranges. This cartridge will let you hear the very nuances that separate real from recorded, why Michael Hobson of Classic Records is right to fight for 200g vinyl and no GrooveGuard, why mono – let alone stereo – isn’t dead. As I wrote 13 years ago, ‘the best CD sound is so far behind the Urushi that it would be comical if the Urushi were affordable.’ Looks like some things don’t change.
Product Specifications
Body
Natural Rosewood with Urushi clear lacquer
Type
Moving Coil
Coil Wiring
Silver plated high purity copper
Magnet
Samarium Cobalt
Cantilever
Boron
Output Voltage
0.4 mV
Frequency Range
20Hz to 100kHz
Channel Separation
25db / 1kHz
Inner Impedance
5 Ohm
Channel Balance
0.5db / 1kHz
Recommended Impedance
30 Ohm
Weight
9g
Recommended Tracking Force
1.8 – 2.0g
Compliance
5 X 10-6cm / dyne at 100Hz
Recommended Load
80-1,000 ohms
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