Search results for query: Patrick

  1. EUVL

    The Kaneda No.168 Preamp

    A word of warning. Please note carefully pinout of the output devices on the PCB. TO126 devices have reversed pinout than TO220. Patrick
  2. EUVL

    Adaptor PCB 2SK2145GR as 2SK170BL Substitute

    There is no guaranteed matching specification for 2SK2145. So in both cases you need to measure. Depends of course on your application. Patrick
  3. A

    Acoustic Horn Design – The Easy Way (Ath4)

    Thanks Patrick!
  4. EUVL

    Semisouth goes Dodo ; what now ?

    A teaser. :giggle: New Semisouth Power Amp with matching Preamp. Should be ready to publish in a few weeks. Patrick .
  5. EUVL

    Determining heatsink size for P3A

    It is of course not proportional. Have you read the pdf ? Patrick
  6. EUVL

    Viktor ultra-low distortion oscillator 1kHz & 5kHz SE and Bal with SilentSwitcher supply

    Jan, You have email Patrick
  7. EUVL

    Folded Cascode CEN IV with fixed Rails

    Caps are not critical. But try whatever you like, by all means. :giggle: Patrick
  8. EUVL

    Adaptor PCB 2SK2145GR as 2SK170BL Substitute

    Because you can just buy them, e.g. www.ebay.com/itm/365062263920 Patrick
  9. Sorenm

    Folded Cascode CEN IV with fixed Rails

    Thanks Patrick. I will continue tonight and report back.
  10. EUVL

    Round 2 Group Buy - Very Simple Almost Universal Speaker Protection

    pfdavid - 2 sets ndiyer - 1 set gusto142 - 1 set Please add your name to the list above. Thank you for your interest, Patrick
  11. EUVL

    Folded Cascode CEN IV with fixed Rails

    Yes, but it is easier just to adjust R3t first. Patrick
  12. EUVL

    Help with W-One ladder relay attenuator remote control

    We ordered empty ones and soldered our own resistors. Higher cost, but can choose our own resistors and resistance. Patrick
  13. EUVL

    a hybrid SIC jFET: UJ3C120150 - any experiences?

    If triode like, yes. But not Semisouth. Patrick
  14. EUVL

    Group Buy - Very Simple Almost Universal Speaker Protection

    That is the time that will take for the speaker to be disconnected after the DC threshold voltage has been detected. Reducing its value will reduce that time delay. Patrick
  15. jhstewart9

    QUAD 2 Problems

    Patrick Turners analysis of the Quad. :)
  16. EUVL

    An F5 with laterals

    Yes, first choice. FQP only second choice. I only suggested DWP because you were using laterals in your spice file. Patrick
  17. EUVL

    Ikea spherical speakers, first build done.

    Do they have anything to do with IKEA ? Patrick
  18. EUVL

    Hiraga Le Monstre 2024

    The original PCB already published is compatible to modern day components. And we have not tried 3055/2955 for the output stage. They have lower hfe than the ones mentioned here. Patrick
  19. GKTAUDIO

    Post your DIY Musical Instruments/Amps here!

    Beautiful, Patrick!
  20. EUVL

    Preamplifier Dispre 2 - JFET

    BC550/560 from Onsemi, etc. are obsolete. The ones now available is from CDIL. Just for info, Patrick
Top Bottom