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Saturday 28 October 2017

Amptweaker Defizzerator Stripboard Layout


I went to the shop yesterday hoping to buy 2 Amptweaker Defizzerators for a recording session but of course; they only had 1, so I bought 1 and reverse engineered it. it's a passive circuit so you get a bit of loss and I may work on a buffered version at a later date but for now;
enjoy.






6 comments:

  1. Hello, Paul. Great work. I have a question regarding this schematic. The way I see it, with the switch in the middle position, the pot have no effect. Shouldn't C1 be connected to SW2 instead of GND?

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    Replies
    1. this is how it was on the original, the "fizz" option is the highest range so it's fully on because it's not too noticeable anyway, the other 2 options are where you need the control. either way, both of the boxes sound the same.
      it was quite a nightmare to trace out cause the switch they use is some weird selector.

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    2. Ok. Thank you for the verification. Keep up the awesome work and all the success for your band.

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  2. This comment has been removed by the author.

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  3. Hi Paul,

    Thanks so much for this!

    Just a question - On the pot is SW2 going to pin 1 or pin 3 of the pot?

    Cheers!

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  4. I'm wondering how you have it labeled; is crackle SW3 and buzz SW1? I've not used a defizzerator, but can't seem to find them anymore so I guess I need build one. Also wondering about the paint scraped off on the bottom cover; did you ground it to the chassis instead of just to the input/output jacks?

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