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Discussion in 'General Electronics Discussion' started by electronoobz, Jan 2, 2013.

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  1. electronoobz

    electronoobz

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    Jan 14, 2012
    May I know the difference between the two?

    I know the other is simpler ... but I mean in performance ?

    [​IMG]

    [​IMG]
     
    Last edited by a moderator: Jan 2, 2013
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    11,307
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    Nov 17, 2011
    Add 1: I notice your using "ASAP" rather often in your posts. Also, here you're using all capitals. I kindly ask you to observe some netiquette: People in this forum volunteer to help. Nobody likes to be yelled at.

    Add 2: I assume that "difference between the two" refers to your previous post. As I'm too lazy to serch for that other post (as may most other be, too), please put the circuits in question side by side so we can compare them.

    Add 3: "Performance"? Please be more specific. Performance has many aspects:
    - gain
    - output power
    - frequency response
    - ...

    Harald
     
  3. electronoobz

    electronoobz

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    Jan 14, 2012
    sorry.. ok i wont use it anymore...


    it's the same boss sd-1 pedal...

    but why is the other one complicated?? is there something different?? (i mean buffer?? or anything)
     
  4. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    2 schematics, please?
     
  5. electronoobz

    electronoobz

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    Jan 14, 2012
    i posted it already
     
  6. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    but not in this thread and I'm not willing to search for it. Please put them side by side (or atop each other) for easier comparison.
     
  7. electronoobz

    electronoobz

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    Jan 14, 2012
    [​IMG]

    [​IMG]


    it is in the top of the thread
     
  8. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    I notice there is a symbol pointing to a link that doesn't work for me. Could you upload the schematic directly, please?
     
  9. electronoobz

    electronoobz

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    Jan 14, 2012
    yeah sure
     
  10. electronoobz

    electronoobz

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    Jan 14, 2012
    Here you go sir/buddy/boss/Mr
     

    Attached Files:

  11. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    When I follow the link directly, I see the image.
    It looks like the main difference between the two schematics is that the more complex schematic includes a switch (the 2*2sk30A transistors) to select between the unmodified and the modofied input signal for output via zhe 2sc732 transistor.
    This switch is controlled via the flipflop at the bottom (2*2SC1685 transistors) which in turn is toggled by the ON/OFF button at the lower left of the schematic.

    It's up to you to decide whether that's an improvement in performance.
     
    Last edited: Jan 2, 2013
  12. electronoobz

    electronoobz

    226
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    Jan 14, 2012

    ohhh..... but in sound is it the same??? without those things??

    is it important to have it (i mean will it sound bad if i dont have those)
     
  13. electricianrar

    electricianrar

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    Jan 2, 2013

    How to determine the improvement in their performance? Will the monoflop help to determine them? I am not sure about this...
     
  14. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    First, sorry, it's not a monoflop but a flipflop.

    You either have the original sound or the modified sound. You could use a manual switch instead, I guess a pedal-actuated button is easier to handle on stage.

    As to the sound: try it. I wouldn't know the difference from the schematic alone.
     
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