Recent content by temol

  1. temol

    2sk209g alternative?

    I think so.. As you can see below - the pinout is different. But, the important thing is that G is in the right place. S and D are swapped, but usually D and S are interchangeable, so there shouldn't be any problems.
  2. temol

    Bring out yer Diptrace

    I wonder how the PCB size could be reduced if we switched to SMD. The only remaining issue is the tube. Keep it? Replace it with a JFET? Or maybe miniature tube?
  3. temol

    Bring out yer Diptrace

    The original has about 1000 pins.
  4. temol

    Missing Build Docs / Schematics

    How long is this wishlist? :)
  5. temol

    Missing Build Docs / Schematics

    Where do these doubts come from?
  6. temol

    Analog Tube Power amp simulator: studying possibilities

    Output of the preamp. output of the Reactor. Quote from the thread on freestompboxes: "Ideally the input drive is set low and the output level is set to maximum to obtain the clearest possible signal output, however increasing the drive and decreasing the output level can cause the clipping...
  7. temol

    This Week on the Breadboard: Rat Sorbet

    for practice over coffee..
  8. temol

    Analog Tube Power amp simulator: studying possibilities

    What's the signal level at the preamp output? Do you have an oscilloscope? Or some other way to measure signal amplitude? What kind of preamp is it? If it's simply a 1:1 tube amplifier with only volume after EQ, and it's running at 300V, you'll easily have a few volts p/p. The Reactor only has a...
  9. temol

    Analog Tube Power amp simulator: studying possibilities

    Does the same thing happen with a different preamp, not necessarily a tube one? Or if you use distortion/overdrive instead of a preamp? Does the input signal level matter? Have you tried the preamp volume at a low level?
  10. temol

    Analog Tube Power amp simulator: studying possibilities

    Oh.. there's Peavey pedal with Transtube technology.... Dirty Dog. Schematic is available somewhere. And something to read about Transtube - https://peavey.com/wp-content/uploads/2023/10/Chapter3.pdf Also this > Solid-State guitar amplifiers. There's some info about tube amp emulation (6.16)...
  11. temol

    Analog Tube Power amp simulator: studying possibilities

    There was one attempt, but so far there is silence on the subject. Yes, digital. If there was anything sensible in the analog version, we would probably have recommended it long ago. P&R isn't a PA simulation. It's just a small area of operation of a tube power amp—the interaction between...
  12. temol

    Analog Tube Power amp simulator: studying possibilities

    Good luck.. :) This can be interpreted in different ways. No bottom end? No punch? If it's a tonal issue, maybe try graphic EQ? Or something like Presence and Resonance from Bajaman? https://www.freestompboxes.org/viewtopic.php?t=29369 Or maybe a Simplifier...
  13. temol

    Bring out yer Diptrace

    Great news! :) The schematic and drill template are a big help. In fact, if there's not enough space on the PCB, marking of a pin 1 might suffice. Combined with the description in the schematic, this would be enough information.
  14. temol

    Bring out yer Diptrace

    Cool idea. This is something I miss most in the build documents. The switches don't have their positions labeled. It would be nice to have something like this in the PPCB build docs. @Robert - is there a chance to add switch position markings (position names, preset names, etc) in the schematics?
  15. temol

    Analog Tube Power amp simulator: studying possibilities

    These parts aren't strictly power amplifiers. They only simulate certain aspects of PA "sound" and behavior.
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