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  1. J

    First Build - Mach 1 & a '74 Phase 90 clone

    Two years ago, I made a BYOC phase 90, too. And I changed some components. - All 6 of UA741 were changed to LM741 . Original MXR pedal component is LM741. It gives more fast speed. - Check your 5952 matching. BYOC said all jfet's were matched but mine is only 3 TR's were matched.
  2. J

    Derailer (ethos twe-1)

    Use tantal capacitor for C24. This is must. Most important thing for making this pedal.
  3. J

    Special OD (dumbloid)

    Nichicon FG capacitors were using for both 2.2uF, 22uF. Opamp is LM833N chip. I tried so many opamp chips but this is the only chip which didn't make noise. Strongly recommend.
  4. J

    Tyrian & Sanguine

    Seoul, S. Korea ^^
  5. J

    Tyrian & Sanguine

    Satisfaction guaranteed.
  6. J

    Sabbath Dist.

    They are BC184C and 5 of MPF4393's.
  7. J

    SOFTii drive

    1/2W & 1/4W resistors EPCOS MKT, Pilkor & Orangedrop Cap Nichicon FG 6 of MPF4393's.
  8. J

    Delegate Compressor

    Nice optical compressor !
  9. J

    Sabbath Dist.

    It was builted in October 2018 but has been upgraded so many times,, and finally completed today morning. I'll never open it again.
  10. J

    SOFTii Overdrive

    Carbon composition resistor make vintage amp sound. No high frequency and very strong middle frequency. But all vintage amplifiers had these resistors. This PCB has very small hole, so it's not easy to desolder. I'm not a experts so I can't give any advice but you have to desolder very very...
  11. J

    SOFTii Overdrive

    Original catalinbread pedal using carbon film resistors and carbon composition resistors. If you make your pedal using metal film resistors,, you will be disappoint your pedal sound. https://freestompboxes.org/viewtopic.php?f=7&t=28509&hilit=SFT Look picture of PCB and change all resistors like...
  12. J

    Marble drive

    My version: R2, R3, R4, R6 ; 1/2W carbon composition resistor. It makes sound rough & muddy. R5, R7 ; carbon film resistor The other resistors are metal film resistor. Trim 1: 4.0V Trim 2: 5.0V Trim 3: 8.0V
  13. J

    Covert - DLS mkIII

    He doesn't like loud sound. :)
  14. J

    Covert - DLS mkIII

    - Carbon film resistors for all signal path. 6 carbon composition resistors for R2, R3, R10, R15, R20, R21. - R3 is 1k, R10 is 680. It's original pedal's correct value. I did R4, R11, C18 Mod, but now back to the original values. These mod make pedal easy to use, but lost magic that only exists...
  15. J

    Covert Overdrive too wooly

    R3 is 1k, R10 is 680. Both are correct values. 820 and 560 is wrong values.
  16. J

    Derailer Overdrive V2

    If you like Vivian Campbell, look no further. Holy Diver, Stars, Don't talk to strangers,, This is it. BTW, it makes great sound with 18V.
  17. J

    Derailer Overdrive V2

    Hot and smoking~!
  18. J

    Mids control on Thermionic?

    Awesome !
  19. J

    Mids control on Thermionic?

    Mod is possible, if you can make little circuit board for mid control. Use Thermionic Deluxe schematic, make your own circuit board, but it's not easy. That's why I made Thermionic Deluxe again.
  20. J

    Mids control on Thermionic?

    Use BrownBetty PCB and change components value of both C9 & R13. C9; 220p-> 100p R13; 27k-> 10k
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