Koetsu cartridges deliver a warm, rich and “saturated” sound without sounding murky or slow sounding which is not an easy trick to pull off. The company closed recently but older cartridges can be re-tipped. My local dealer uses someone in California and is very pleased with the results. He is sending a prized Allaerte cartridge to be fixed.
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That’s a perfect description @larryi I used to think they were stupid, overpriced little boxy rocks. Then I actually heard one, and have been a huge fan ever since. I have 6. One of the problems was that the North American and Euro distributers would artificially amp up the price of "premium" stones (Coral, Blue Lace) versus "base" stones (Onyx, Jade) to segment the high-end of market. The price disparity was much more modest in other markets (Japan, SE Asia). That said, they were all still expensive cartridges, and the Blue Lace I have does in fact sound better than all other stones. The Coral - eh, maybe not so much. Perhaps my Coral needs more burn in, but the Blue sounded amazing from hour #1. Could be some variation from sample to sample, too. Supposedly Koetsu bought up the whole run / supply of Platinum magnets, which is why other manufactureres don’t use them (only Lyra, in very limited fashion). They are nice sounding magnets, more smooth and creamy sound versus samarium-cobalt and neodymium. Alnico is pretty neat too, though. |
But I refuse to believe a magnet has a "sound". The magnet has an effect determined by its properties as a magnet in combination with the properties of the coils and its mass (of the magnet). The coil does not know it is being affected by a platinum magnet; it only knows the strength of the magnetic field surrounding it. I know there are mystiques surrounding the use of samarium cobalt or platinum or neodynium or other magnetizable metals (alnico?) in MC cartridges, but what is the possible mechanism, other than the above, mass, field strength, and geometry (meaning how the magnet and coil are placed in space)? Can someone ’splain me? Anyway, Koetsu cartridges are a matter of taste, as is the choice of any cartridge brand. They used to be characterized as warm and "musical" or rich sounding but some said of the Rosewood series that they were lacking in low bass and high treble. The Rosewood Signature Platinum was said to have corrected that issue with bass and treble, at the expense of having a much lower signal voltage output; I never heard one. Then came later wood bodied models like the various Urushi models and still later the stone bodied models, among which there are additional sonic differences. I have an Urushi and like it very much, but maybe it is not my very favorite LOMC cartridge. Nevertheless it is definitely not lacking in bass and treble response. I’d like to own a stone-bodied model but was unwilling to fork over the moolah. I own about 6-7 other LOMC cartridges, so the Urushi is just one in my stable. Anyway, it is impossible to disagree with Inna when he writes, "It seems that quite a number of Audiogoners have Koetsu, or a few of them." That sentence has its own escape clause. |
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