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The "$250" Amp? - 6LU8 Compactron SE, UL

Discussion in 'DIY' started by Wigwam Jones, May 10, 2008.

  1. leoman53

    leoman53 New Member

    Messages:
    12
    Last edited: Nov 6, 2014
  2. digitalage

    digitalage New Member

    Messages:
    5
    Very nice work, leoman53!
     
  3. djnagle

    djnagle Lunatic Member

    Messages:
    11,527
    Location:
    Albuquerque, New Mexico
    How does it sound Leo??? it looks great.
     
  4. santa

    santa AK Subscriber Subscriber

    Messages:
    755
    Location:
    Oakley, Ca
    Tell us more about the chassis. Looks like brushed SS to me.
    Very nice
     
  5. Toerau

    Toerau New Member

    Messages:
    39
    Location:
    Paris, KY
    Richard (and anyone else still viewing this thread),

    I finally got back to this project. Richard, your advice was perfect and solved my main problem. I had other problems as well, but minor in comparison. I still have a humming problem, but am slowly tracking it down. I would upload a photo, but the unit would look as before.

    This was a very good learning process for me and I want to thank all that contributed and answered my questions. How does the unit sound? OK. Nothing like a Class D amp board-----especially when you apply the cost.....but cost was not the reason for building this, the main reason was to do something from the past.

    Mike
     
  6. djnagle

    djnagle Lunatic Member

    Messages:
    11,527
    Location:
    Albuquerque, New Mexico
    "Nothing like a Class D amp board" I'm with you on that. I am starting to hear very good chip amps, but I still like the looks of tubes and the warmer sound they produce. I can get that sound by using a tube preamp into a class D though.
     
  7. stargeezer

    stargeezer New Member

    Messages:
    15
    Just finished this amp. Thought I would post a few pics. I designed a different power supply for it,one I use for my guitar amps. No chokes. Changed a few resistor values but nothing drastic.Super quiet. Nice little amp.
    [​IMG]
    [​IMG]
     
    prelius likes this.
  8. djnagle

    djnagle Lunatic Member

    Messages:
    11,527
    Location:
    Albuquerque, New Mexico
    I like the compact style. Can you post the schematic
     
  9. Isophon

    Isophon New Member

    Messages:
    8
    Hi
    I have built this amp a few years ago and really enjoy the sound. Lately my 6LR8 (not 6LU8) socket seem to have gone bad with some contacts. Where could I buy good quality 9 pin socket ? I believe these needs to be Noval type, the one I used were Chinese from e-bay.
    Thanks for the help,
    Isophon
     
  10. djnagle

    djnagle Lunatic Member

    Messages:
    11,527
    Location:
    Albuquerque, New Mexico
    I'd look at parts express
     
  11. Isophon

    Isophon New Member

    Messages:
    8
    Ok, thanks. I'll try. I made a mistake, looking for Novar type , not Noval.
    Eric
     

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