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  1. derevaun

    Mad Bean Pedals Burly Bear

    It makes perfect sense to a lefty (y)
  2. derevaun

    Rosamp SLO 30 Amp kit build diary

    Be careful soldering in your bike shorts!
  3. derevaun

    Don't be surprised if the price of Germanium transistors and diodes goes up

    IMHO it's probably not cause for concern yet--last package I orderd from alexer1 took that long. With Russia's indiscriminate attacks on civilian infrastructure, it'll happen. Also, one UA seller (Nevidomuj, I think) sent stuff in bulk to a Minnesota address, where it shipped from. USPS has...
  4. derevaun

    Transistor or diode??

    The TC-1 should have a built in google search feature :p
  5. derevaun

    Transistor or diode??

    Near-faulty-to-fully-borked transistors will do that. Interesting Vfs though? Maybe try warming it up with body heat and see if it reads as transistor--it would at least clue as to which lead is what. In any case, it probably belongs in the overflowing bin of "these dead transistors will work...
  6. derevaun

    Baritone Brothers....got (a new) question....

    I like to use this string tension calculator: https://rodrigocfd.github.io/string-tension-calc/ It uses the string data from D'Addario and probably extrapolates it to the other brands. My LGS uses EB for singles and I consider them close enough to D'Addario for it to not matter. I get the...
  7. derevaun

    PCB Manufacturers

    That's basically what I use (1.5 & 9mm) except for pots and switches, which need to be bigger.
  8. derevaun

    PCB Manufacturers

    Are you also changing height? It does width and height separately, in order to make oval/oblong pads.
  9. derevaun

    Lab Rat build!

    Only one way to find out! If Ge Vf is around .3v, and a red LED is around 1.8V, it's still pretty asymmetrical with .6V against 1.8V. If you haven't seen this video from Arito Suzuki, it does a nice job of demonstrating it in soft clipping mode. I would expect the differences to be more...
  10. derevaun

    Lab Rat build!

    Somebody correct me, but isn't the asymmetry in asymmetrical diodes just about the total Vf in each direction? Ge diodes will have their distinctive character of course. I would expect that 2 series germaniums would add up to around a third the Vf of a red LED. It would be interesting to look...
  11. derevaun

    PCB Manufacturers

    JLCPCB has a Gerber viewer once you upload the zip file. There are a few (mostly other board fabs) among the top google results for "gerber viewer."
  12. derevaun

    PCB Manufacturers

    If you haven't found it already, you can right-click on a pad, choose Pad Properties, Type/Dimensions tab, and uncheck Use Pattern's Standard Pad Properties. The window will change to let you adjust the dimensions of the pad and the hole. You can even apply it to all of the pads. It's a killer...
  13. derevaun

    Baritone Brothers....got (a new) question....

    IMHO a fixed tele bridge is nice to have with a baritone, because you can get a little more range for intonating when you want to change tuning/gauge.
  14. derevaun

    LM308 and OP07 - the plot thickens

    NB @jimilee's Super Rat has an IC-clipping-only option ;)
  15. derevaun

    Baritone Brothers....got (a new) question....

    I'm using EB "Not Even Slinky" 12-56 for B tuning on a 28" baritone. Actually I swapped in a 24 wound for the third string. OK, and a 58 for drop A tuning.
  16. derevaun

    XR2206CP Sources

    I've looked at those a few times too. Next time I order from Jameco I plan to pop one in the cart and see. I don't see them at Cabintech, but Retroamplis has some.
  17. derevaun

    Any current sources for LM308 out there?

    At risk of causing another stampede... ... I recently bought four from Retroamplis. They're at least single opamps (different date codes) and sound fine. They were the last ones in the third of the three different LM308 items that are listed there now, so YMMV. If you're in New England, I...
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