Recent content by jcarr

  1. J

    What's the correct MC cartridge loading?

    Here is a more detailed thread about this same topic, from almost 10 years ago. https://www.whatsbestforum.com/threads/cartridge-loading-a-misnomer.15077/ Also, please take note of Yamaha's HA-2 from 1979 https://audio-heritage.jp/YAMAHA/etc/ha-2.html and HA-3 from 1982...
  2. J

    Esoteric Grandioso T1 turntable arrives; G1X Master Clock coming.

    Some historical reasons as to why Esoteric (Teac) would use partial magnetic levitations, and who they may have been inspired by. https://www.diyaudio.com/community/threads/interesting-turntables.263822/post-4102525...
  3. J

    Koetsu

    Part 2 of the Medialux Koetsu story. https://medialux.blog/2019/07/08/4-koetsu-compared-japanese-art-part-ii/
  4. J

    Graham Phantom Elite

    The 4 Point is not a unipivot, but a knife-edge design that has been reduced to two contact points per axis (horizontal and vertical) by removing the central section of the knife edges. Such a design can have similar horizontal and vertical stability as gimbals, with only a little more friction...
  5. J

    Lyra Erodion SUT

    Hi Squasher: We don't dictate to our distributors which Lyra product they should carry, or not - such business decisions are left to the discretion of each distributor. If you contact our distributor in the US, Audioquest, I am sure that you will receive an answer. kind regards, jonathan
  6. J

    Lyra Erodion SUT

    Hi Gian: The Erodion's rear panel is equipped with a grounding switch, and instructions on the purpose of each grounding switch position should be inside the user's manual. Experimenting with the switch may provide a little more sonic transparency. Also, instead of connecting the ground leads...
  7. J

    Lyra Erodion SUT

    Hi Tom: The red Erodion already has an internal load on the secondaries of around 35kohm, if I recall correctly. Therefore, if the MM phono stage has an input termination of 47kohm, the parallel value is 20060 ohms. And if we divide 18312 by the square of the Erodion's 20x primary-secondary...
  8. J

    Lyra Erodion SUT

    Tango, in my opinion your first priority should be to extract more of the performance that the AirTight SUT is potentially capable of. I suggest starting by placing the AirTight as close to your JPA66 as possible, to determine how short of an interconnect cable you need. Next you can obtain a...
  9. J

    Lyra Erodion SUT

    While the Erodion name has been around for a long time, both the contents and appearance have changed over the years. The "red" Erodion introduced a wider-bandwidth stepup unit, along with revisions to the grounding and output loading. From this red version onwards, the Erodion shifted away...
  10. J

    Unable to achieve setup perfection with the Ikeda 407

    Due to the nature of the elastomer materials used in cartridge dampers, temperature and humidity can have a decided effect on performance, including tracking. You may wish to contact your cartridge manufacturers to get their recommendations for optimal operating conditions. In my experience...
  11. J

    Atlas SL arrived

    Hi David: As you have surmised, the tonearm is a mongrel of various parts pieced together . Note that all excess parts that could resonate and color the sound have been stripped off. Only the essentials remain. It's too bad that we couldn't meet up, but Stig's moving at the beginning of 2018...
  12. J

    Atlas SL arrived

    That many MC phono cartridges have low source impedances? Although the following is a biomedical link, the same principles described here apply to audio. https://www.biosemi.com/faq/shielding%20vs%20active%20electrodes.htm Further, some degree of noise cancellation will be conferred by...
  13. J

    Atlas SL arrived

    Hi kleinbje: All of us should maintain ourselves in this hobby at a level that is both sustainable and comfortable. Considering that you already have a cartridge that you are extremely satisfied with, would you really be comfortable making a change, just because something newer has managed to...
  14. J

    Atlas SL arrived

    Hi Tang. It may be better if I add two photos to show such a setup. Not beautiful, but gets the job done (smile). The black Erodion. Once it arrives, please describe how you get along with it. I am honored! Thank you .
  15. J

    Atlas SL arrived

    Hi Shane: It is too bad that your phono stage doesn't allow you to go higher than 1kohm. As the electrical load on the cartridge becomes lighter, the sound becomes more delicate and airier, soundstage expands, yet dynamics also increase. It is definitely worthwhile trying (phono stage...
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