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Showing content with the highest reputation on 02/21/2026 in Posts

  1. WCPGW? I used a leftover biscuit this morning to make breakfast.
    6 points
  2. Even as a 10 year old, I thought this was great.
    2 points
  3. I'd love you to share your thoughts, and possibly your recipe. I love making biscuits with my new recipe. And I usually make biscuit sandwiches the next day.
    1 point
  4. but you'll spend that 15 minutes on the crapper.
    1 point
  5. Vegan protein bomb. Big bowl of salad with 100gr chickenpeas and 50gr mung beans. I feel eating this gave me extra 15 mins of lifetime.
    1 point
  6. I made and ate biscuits, but I'm afraid to post pictures for fear of what could happen next...
    1 point
  7. 1 point
  8. On a trip last weekend up the north shore of Lake Superior with my girlfriend and a wolf crossed the highway between Grand Marais and Grand Portage. My girlfriend rolled down the window and snapped a picture. I lived in the Northland most of my life but never thought I'd see one in the wild like this.
    1 point
  9. No particular reason behind the jfets, aside I like the to-71 package and that it’s fairly easy to build the layout around them SMD transistors because they are small. I had to decrease current at some locations to reduce heat. I see this amplifier merely as an experiment. I wanted to test if it was possible to make a small board. The bias servo is probably needed while moving from heatsinked MJExxx to small smd transistors. I believe the bias servo previously posted by Kevin, with dual op amps, is preferred. So, another experimental board…
    1 point
  10. 1 point
  11. OK. Did a first power-up test for CRHV today. With 360k set for 550 V, I’m measuring about 554 V in practice. I only let it run for ~10 minutes. A quick IR check shows the CRHV peak temperature at ~58 °C. I suspect running it from dual 250 VAC inputs targeting ~600 V output may result in slightly better thermal behavior. At the moment, only the high-voltage section is populated. The delay soft-start and ±15 V sections are not installed yet, but they should function as expected once added.
    1 point
  12. I managed to build few T2 in the past few years. Just sharing pics how T2 fits in Modushop Dissipante 400 enclosure. Many thanks to Mr. Gilmore and HC community
    1 point
  13. Smoky Moroccan Chickpea Soup (formerly Stew) a la Mishka Makes Food
    1 point
  14. If you need 2SC4686a – check this link. German company claiming they have 4000 pieces available. I bought a couple of hundreds 10 years ago and they were genuine.
    1 point
  15. I've got a question about turn on thump with the CFA3T/Protector boards when running a subwoofer: Path is balanced/4x CFA3(T) > Protector Board > 4PDT switch (headphones or speakers). To send signal to the sub, I have two simple voltage dividers between the + of each channel and power supply ground that then go to an RCA that feeds the sub. My confusion is; why am I getting a turn-on thump when I turn the amp on when the switch is set to speakers? (No thump with balanced headphones) The protector board with it's turn on delay means the +'s aren't even connected to the speaker outputs/sub yet. Is the turn on inrush just enough to cause a big transient on the power supply ground, which is making it to the sub?
    1 point
  16. Hi Pars, could you (or anyone!) elaborate on the extra heatsinking for the grlvs? I admittedly have only tested with 50-600ohm headphone loads, but the small sinks I had on the grlv's then barely got warm at all. Maybe 105*F max. I have 100VA 30v transformers. I seem to recall someone mentioning that big transformers (and the 30vac secondaries) mean less reg heat from the grlvs? Below is what I was thinking of doing. I could also rotate them 90* left, bolting the L bracket to the side plate but that's even thinner steel than the bottom plate, and would move the DC outputs closer to the 90vac input on the grhv to it's right. I could also rotate the grlv 180* and remote mount the regs to the ~1.5mm aluminum back plate, but that would bring the grlv 30vac inputs closer to the DC jacks as well. Second, here's what I can get away with for IEC - grhv proximity. Think it will be a problem? It would give me enough room for the power switch at the top, plus room for distribution blocks for mains/grounds. Big thanks to anyone willing to share their wisdom.
    1 point
  17. RIP Caltech astrophysicist Carl Grillmair, fatally shot on porch of his rural SoCal home.
    0 points
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