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G600

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About G600

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  1. G600

    DIY mini T2 Build Thread

    At least one full set for me, and depending on cost some more.
  2. G600

    DIY mini T2 Build Thread

    We definitely need a group buy for those PS. All-in-one PSU for the miniT2 kept mini (apart from the transformers, but that's another story).
  3. G600

    The Multi Amp aka Dynalo Mk2

    Have you tried it with FETs instead of THAT340 ?
  4. G600

    DIY mini T2 Build Thread

    Do you see critical resistor, some that will benefit from lower ppm or tolerance ?
  5. G600

    DIY mini T2 Build Thread

    Excellent work as usual, JoaMat. Please let us know if you test those values in your working unit ! I'm thinking of populating the SMD resistor with the fine Susumu RG (thin film). Used them in the QRV-08 (Sjostrom). 1206 are 200 V rated and 805 150V, should be plenty.
  6. G600

    stax t8000 clone (well sorta)

    Kerry's mini PSU are so interesting for such a tiny amp !
  7. G600

    CCS mod for 006t (t1 Variant )

    Why don't you just buy the thick ceramic pad and a PEEK screw ? No insulation tester, no fried sand and no risk of being transformed in charcoal.
  8. G600

    The ultimate DIY? A Stax SRM-T2!

    You could extend soldering pleasure by making your own volume control instead of RK50. For example a Seiden 32025 with the matching set of resistor for 10K http://www.goldpt.com/r_series.html You could make 3 for the K50's price.
  9. G600

    The ultimate DIY? A Stax SRM-T2!

    A lot of fun indeed. Just go slow and double check everything.
  10. G600

    The ultimate DIY? A Stax SRM-T2!

    Yours is safe. But just take a careful look before starting populating the Beast.
  11. G600

    The ultimate DIY? A Stax SRM-T2!

    Sometimes I hear some random cracks. They come and go, and at some point the channel goes south. Voltages are off, with something like 40 V between the two right batteries, and a very large offset at ouput. It could be cured instantaneously by putting a Voltmeter between battery testpoint and +500V supply entry. Tried to adjust the batteries in many ways, but it comes back anyway. I have also uprated the compensation cap to 15 pF. The amp runs cooler afterwards, but the problems is still happening.
  12. G600

    The ultimate DIY? A Stax SRM-T2!

    I'm pretty sure I have the same problem too. No devices to test it. But as far as I remember in this topic, it is always the right channel that causes trouble. Mine too. There must be something in the layout, no clue till now.
  13. G600

    grounded grid

    How much should we bias the EL34 ? Is it 20 mA like the Carbon, or more 25 mA, like the many designs with EL34 ? Or personal taste ?
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