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MLA

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About MLA

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  1. MLA

    DIY mini T2 Build Thread

    Hands raised , two full sets.
  2. MLA

    DIY mini T2 Build Thread

    +1; JoeMat suggested a separate PSU for the +220V in a previous post somewhere. I'm planning on using the PSU Kevin created for the tube input board for the +220V (have to check it works first though :)).
  3. MLA

    transconductance amp

    Yes, just slightly bigger than the squarewave. I logged in to check prices and PCBWAY would send me a pack of 10 for about 20 USD if I repeat my order. Good times for DIYers :)
  4. MLA

    transconductance amp

    Not its forte. Really shines with planars though.
  5. MLA

    stax t8000 clone (well sorta)

    Have a couple of these since last GB (psu for the tube ubal to bal board). Guess they would do the trick (possibly with some component updates to handle +220V) ?
  6. MLA

    What Are You Building Today

    To ask away on top of the above What’s your grounding scheme? Inputs look floating, is pot floating too? Amp board and psu? A small diagram would be very helpful in troubleshooting. Also, do you have some form of virtual ground or elevated reference for the heater voltage?
  7. MLA

    current feedback electrostatic amp

    Trafo depends somewhat on the psu also: if you’re using GRHV you only have 20-30V or so in dropout voltage (or even less if I remember correctly). 360V secondaries puts you at about 510V DC unregulated, so that leaves quite a bit to be turned into heat by the psu pass transistors if you’re aiming for 400V output.
  8. MLA

    current feedback electrostatic amp

    I've used a bunch of MKDSN 5.08 spaced from Mouser, they exist (for example 651-1729131). Also, note that the 400V is its CAT III rating (see data sheet). The CAT II rating, which is more relevant for an amplifier for home use, (think broadly home appliances connected to a wall outlet) is 630V.
  9. MLA

    The Headcase Stax thread

    According to their web, they’ve taken over distributorship for Denmark and in the process renegotiated lower prices with Stax. Stax lists them as official distributor on their international pages.
  10. MLA

    Digital pianos

    +1 on Kawai. I have both a Yamaha and a Kawai at home; the lighter Kawai action is preferable.
  11. MLA

    Denafrips DACs

    Got it a few months back. Will not be selling it. Sound is great, parametric eq is really handy for some hp’s/recordings, and it gets reassuringly warm Archimago has all the numbers: http://archimago.blogspot.com/2018/10/measurements-rme-adi-2-pro-fs-as-dac.html?m=1
  12. MLA

    CFA3 balanced amp

    Yes. Highly recommended.
  13. Payment sent. Thanks!
  14. MLA

    2018 PCB Group Buy with TKD pots

    +1. Many thanks!
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