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dsavitsk

High Rollers
  • Joined

Everything posted by dsavitsk

  1. +1 FTFY
  2. McMaster has it by the foot, too.
  3. Happy Birthday!
  4. Claire +1
  5. Happy Birthday!
  6. Do you have two of them so you can compare a cold and a hot one?
  7. If heat caused it, how about a heat gun to remove it?
  8. Happy Birthday!
  9. This much I am familiar with. And in essence you are basically saying that a CCS has a high impedance that forms a voltage divider with the load with the lion's share of the current going to the lower impedance portion. Were it practical to do so and if we didn't care about efficiency, an amp with a 100KV supply could use a 10M resistor to much the same effect. I guess the question is that in a common cathode triode, the lowish plate impedance drives the plate load in parallel with the load. A pentode is the opposite and has a Zout that is PS's Zout in series with the resistor load with the tube modulating the PS. So I am wondering if that resistor load on the pentode is a reasonable and somewhat unexplored way to drive these things or if your above calculation contains something to suggest otherwise.
  10. Could you comment on the influence of the plate impedance on your calculations. Or specifically, when the output device itself is a constant current source. Several of the triode based amps all have a lowish impedance. But some of them use a cascode of some sort which would produce more pentode/transistor like plate curves with a very high Z. Does it matter?
  11. dsavitsk replied to kevin gilmore's topic in Do It Yourself
    Very nice build, Kerry!
  12. Japanese cabbage and white bean stew.
  13. dsavitsk replied to Grahame's topic in Miscellaneous
    As someone whose monthly data usage is in the 100 MB range, I can't wait to dump Verizon.
  14. Next time, look into dd which has always worked for me.
  15. Why don't you have Camexpert drill them if they need to be so precise?
  16. Goodness, Shelly!
  17. Oh, and this. I was a record collector many years ago. Black is common, peach seems to be relatively common, but I've not seen the 1st pressing burgundy swirl very often.
  18. That's hilarious. My own feeling is that people like what records sound like because of an ASM response. The subtle background of scratching crackling vinyl is pleasant. I have old B&W speakers with plastic cones that elicit a similar sort of analog-y sound and feeling.
  19. Happy Birthday!
  20. Hmmm. That's awfully nice, but I think it must just photograph well.
  21. We found that there is a whole genre of youtube videos of birds for cats to watch. So we now watch Thursten watching TV.

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