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 Post subject: True Bypass tuner pedal?
PostPosted: Thu Jul 07, 2022 12:41 am 
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Joined: Thu Jul 07, 2022 12:39 am
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I have a GoGo tuner pedal. I just built a new rig (pedals, amps, cable, etc) and am getting signal breakup, like crackling, at louder volumes. I sequentially removed pedals from the chain, and finally found it happens when I have Guitar > Tuner > Amp, even when the tuner is off and in 'True Bypass'. If I take the pedal out, the breakup goes away. The pedal is powered from an isolated, high quality power supply but I did have another digital pedal plugged into the tuner's DC output. That pedal was in bypass and disconnected from the signal chain, but I do need to test the tuner w/o using it's DC output.

But still, how is this distortion / crackling even possible if it's in true bypass?

The switch is a 3pdt. Is there a way to test for true bypass if I can't see the circuit traces?


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PostPosted: Thu Jul 07, 2022 4:44 am 
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Location: Rochester, NY
wiqiw wrote:
I do need to test the tuner w/o using it's DC output.

Definitely do this. I have a Polytune Mini that introduces noise unless it is completely isolated with nothing daisy chained in any way. I actually have no idea what causes it, because it is also true bypass, but that is what solved it for me.

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My band, Austin Hollow


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PostPosted: Thu Jul 07, 2022 10:26 am 
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Location: Richland, WA
Test the resistances between the tip of the input jack to ground and the tip of the output jack to ground when in "bypass".

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Please do not PM me. email is prefered. keith@buildyourownclone.com


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