Koetsu Coralstone


The cartridge that carries this subtly hued stone is one of the finest sounding models around

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Koetsu Coralstone

Koetsu Coralstone

Calcium carbonate is a wonderful material bringing wisdom and happiness.

It’s limestone, eggshells and pearls, it’s the beloved gem made from natural coral, Coralstone.

The cartridge that carries this subtly hued stone is one of the finest sounding models around.

The more porous nature of coral brings out the rich tonality and sonic signatures in music.

While its platinum elements brings out remarkable levels of detail and shade, making this cartridge a truly remarkable musical instrument.

The pinnacle of cartridge design can be found in a Koetsu stone body.

The body is machined from a block of high quality stone.

Each block is carefully selected for natural grain and polished to a very fine finish.

Internally, only the most tightly matched silver sheathed copper coils and cores are used.

Rare platinum magnets allow the stone body cartridges to fully create the ethereal sound on which Koetsu has earned its reputation.

“The end result is harmonious and cohesive, and the music unfolds in a way that gives you more time to listen – more time to unravel the individual strands that form part of the whole.” Hi-Fi+

Specifications Koetsu Coralstone

Specifications Koetsu Coralstone

Coral Stone Body

Silverplated Copper Coil Wiring

Platinum Magnet

Boron Cantilever

0.3 mV Output

12 g Net Weight

Recommended Tracking Force 1.8-2.0g

Recommended Load 75-500 ohms



Koetsu History

Named in honor of the Japanese artist Honami Koetsu, the company was started by Yoshiaki Sugano. A boxer, artist, sword maker and automotive executive, Sugano-san was a true renaissance man. His love of western classical music led him on a journey to improve the musicality of common phono cartridges. Through his experimentation he pioneered the use of high purity materials such as 6N copper and rare platinum iron magnets. For more than thirty-years, Koetsu has masterfully blended the highest purity technical materials with ones of natural beauty to create the most sought after cartridges in the world. Sugano-San's legacy is carried on by his son Fumihiko who apprenticed under his father to become a master cartridge maker. Every Koetsu cartridge is hand made in Japan and inherently limited in nature These sonic and visual masterpieces are available in limited quantities and are offered by only the most knowledgable audio retailers


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