Koetsu Urushi Gold MC Phono Cartridge

$8,395.00

Quantity

Product Details

Koetsu Urushi Gold MC Phono Cartridge at Vinyl Sound Buffalo NY USA

The Koetsu Urushi Gold is a handcrafted moving coil phono cartridge from Koetsu (Kanazawa, Japan), available at Vinyl Sound in Buffalo, NY, USA. Its rosewood body is finished in traditional Urushi lacquer and enriched with a distinctive gold aesthetic treatment, placing it among the most visually arresting and sonically distinguished cartridges in the entire Koetsu lineup. The Urushi Gold features silver-plated copper coil winding, a Samarium Cobalt magnet, and a boron cantilever, delivering an output of 0.4mV. Founded by the legendary Yoshiaki Sugano, Koetsu built its reputation in Japan on natural, musical analog reproduction, and the Urushi Gold carries that philosophy with an added layer of artisanal refinement that sets it apart from every competing high-end MC cartridge on the market.

The Art of Urushi Lacquerware in Analog Audio

Urushi lacquer is a natural material sourced from the sap of Urushi trees native to Japan, applied by skilled artisans in a tradition spanning approximately 10,000 years. On the Koetsu Urushi Gold, this lacquer is worked by hand over the rosewood body and allowed to cure fully before the cartridge is assembled. The curing process causes the lacquer to harden and bond with the wood at a structural level, modifying the body's resonant characteristics in a way that Koetsu engineers have refined over decades. The result is a body whose acoustic behavior is distinct from unfinished or conventionally lacquered wood, contributing to the Urushi series' characteristic sonic signature: a midrange warmth and three-dimensionality that critics and audiophiles consistently distinguish from other moving coil designs.

Coil and Magnet Engineering

The Urushi Gold uses silver-plated ultra-high-purity copper coil windings, a construction in which a fine silver sheath is drawn slowly over the copper conductor. This process preserves the conductive mass advantages of copper while adding the surface conductivity benefits of silver, producing a coil optimized for accurate signal retrieval at the microscopic scale of vinyl groove modulations. The Samarium Cobalt magnet system provides a powerful, stable rare-earth magnetic field, ensuring consistent channel separation and balanced stereo tracking. The boron cantilever, chosen for its exceptional stiffness-to-mass ratio, allows the stylus to track groove modulations with minimal coloration from cantilever flex. Stereophile noted that the Urushi Gold demands ultra-rigid-bearing tonearms and medium- to high-mass arms to perform at its peak, with meticulous setup rewarding listeners with the full measure of its capability.

Key Features

  • Urushi Gold Body: Rosewood body with traditional Japanese Urushi lacquer finished in a gold-accented treatment, combining visual artistry with resonance-tuned acoustic properties.
  • Silver-Plated Copper Coil Winding: Ultra-high-purity copper coils with a drawn silver sheath, combining the conductivity of both metals for optimized signal retrieval.
  • Samarium Cobalt Magnet: Rare-earth magnet system delivering a stable, powerful field for consistent channel separation and stereo imaging.
  • Boron Cantilever: Extremely stiff and lightweight boron tube cantilever enabling accurate stylus tracking across the full frequency range.
  • 0.4mV Output: Compatible with a broad range of MC phono stages, balancing signal level with low-noise performance.
  • Proprietary Sugano Stylus Design: The stylus profile is a special design used exclusively by Koetsu, not replicated by any other manufacturer.
  • Handcrafted in Japan: Each cartridge is assembled individually in Kanazawa, Japan, with no two examples identical.

Technical Specifications

Type Moving Coil (MC)
Body Rosewood with Urushi Gold Lacquer
Coil Wiring Silver-Plated Copper
Magnet Samarium Cobalt
Cantilever Boron
Output Voltage 0.4mV
Frequency Range 20Hz to 100kHz
Channel Separation 30dB at 1kHz
Inner Impedance 5 Ohm
Channel Balance 0.5dB at 1kHz
Recommended Load Impedance 100 to 1,000 Ohm
Recommended Tracking Force 1.8 to 2.0g
Weight 9.37g
Compliance 5 x 10-6 cm/dyne at 100Hz

Frequently Asked Questions

What is the Koetsu Urushi Gold?

The Koetsu Urushi Gold is a handcrafted moving coil phono cartridge from Koetsu in Japan, featuring a rosewood body with Urushi gold lacquer, silver-plated copper coil winding, a Samarium Cobalt magnet, boron cantilever, and 0.4mV output. It is one of the most distinctive and artisanally finished models in the Koetsu Urushi series.

How does the Koetsu Urushi Gold compare to the Koetsu Rosewood Signature?

The Rosewood Signature uses a clear-lacquered rosewood body with copper coil winding, while the Urushi Gold uses Urushi lacquer treatment and silver-plated copper coils. The Urushi lacquer alters the body's resonant behavior in a way the clear lacquer does not, producing a midrange character that many listeners describe as more three-dimensional and organic. The Urushi Gold is positioned above the Rosewood Signature in the Koetsu range and reflects a higher level of artisanal finishing and material refinement.

What tonearm is best suited to the Koetsu Urushi Gold?

The Urushi Gold performs best with medium- to high-mass tonearms featuring ultra-rigid, precise bearings. Arms such as the SME V, Graham Phantom III, Triplanar VII, or Reed 3P are well-suited matches. Tonearms with loose bearings or resonances will compromise the cartridge's tracking stability and reveal setup problems rather than musical information. Meticulous alignment and correct tracking force in the 1.8 to 2.0g range are essential to achieving the Urushi Gold's full capability.

What is silver-plated copper coil winding?

Silver-plated copper coil winding is a construction technique in which a fine silver sheath is slowly drawn over a high-purity copper conductor. The resulting wire benefits from copper's low resistivity in the core while the silver surface layer provides improved conductivity at high frequencies, where current tends to flow along the outer surface of a conductor. Koetsu applies this process using ultra-high-purity copper, and the coils are wound to exacting tolerances to ensure matched channel performance across the full audio bandwidth.

Can the Koetsu Urushi Gold be used with a step-up transformer?

Yes. The Urushi Gold's 5 Ohm internal impedance and 0.4mV output make it compatible with a wide range of step-up transformers (SUTs). A SUT with a turns ratio of approximately 1:10 to 1:20 will bring the cartridge's output to a level suitable for a moving magnet phono input. The recommended load impedance range of 100 to 1,000 Ohm provides flexibility when calculating the optimal primary impedance for a given SUT. Brands such as Lundahl, Bob's Devices, and Jensen are commonly paired with Koetsu cartridges.

Where can I buy the Koetsu Urushi Gold in Buffalo or the USA?

The Koetsu Urushi Gold is available at Vinyl Sound, an authorized Koetsu dealer in Buffalo, NY, USA. Vinyl Sound provides access to the complete Koetsu cartridge lineup along with setup guidance and access to Koetsu's official factory rebuild program.

View More