Recent content by datmuffin

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    Cepheid sounds great but has 10db drop

    I have noticed that I can hear a rhythmic noise what I’m guessing is the clock when the pedal is not engaged. The rate of the interval changes with the Rate. Is that normal?
  2. D

    Cepheid sounds great but has 10db drop

    Oh, I forgot to say I used 12k resistors. Almost wonder if 10k on each would be enough to get unity. Might try later, just stoked to have this working now. Such a great sounding circuit.
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    Cepheid sounds great but has 10db drop

    That did it! I almost changed those two resistors anyway because on the product page for the PCB it has both R34 and R35 as 12k as opposed to the 47k printed on the actual PCB and the parts list in the pdf. But that seems to have done the trick. I measure a slight 1-2Db decrease now, which is...
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    Cepheid sounds great but has 10db drop

    The values are fluctuating in IC1. The 3102 and 3207 are barely registering any fluctuations, though. There is just a little movement at a thousandth of a volt.
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    Cepheid sounds great but has 10db drop

    I just double checked and the Q1 base is actually 5v. Sorry about that.
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    Cepheid sounds great but has 10db drop

    Thanks for the advice bowsanderror and blackhatboojum. 1. I double checked and R2 is at the correct value 2. same for R32 3. Yeah, adjusted the trim pot. Fascinating how narrow the window is on this build! 4. It is a 9.1v zener diode 5. I bought them on ebay. I bought two of each, and same...
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    Cepheid sounds great but has 10db drop

    Thanks for your patience!
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    Cepheid sounds great but has 10db drop

    I don’t think there is any problem with the switch. It powers on as expected and the LEDS both light up. Again, it does sound really good, which is the frustrating part because the volume drop really limits it’s use.
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    Cepheid sounds great but has 10db drop

    The leads are long on it, but it’s clear of other components. When I was first troubleshooting I was looking at the image on the product page, which coincidentally is wrong on the r34 and r35. I proceeded to clip them out, which was when I realized the value printed on the PCB was different...
  10. D

    Cepheid sounds great but has 10db drop

    I’m a little baffled about the significant volume drop of roughly 10db when my Cepheid build is activated. Everything seems to be set up correctly and the pedal does sound really good, it just clearly cuts the output volume. I’ve been over the cap and resistor values, I’ve swapped all three...
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