Anybody happen to know what IC the One Control Anodized Brown distortion pedal uses? I'm getting a high squeal after 12 o'clock on the gain and the IC is scratched out.
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One Control Anodized Brown IC
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I wonder how different the ABD 4K is from the ABD. Looks like some of the components are the same, but the 4K has an additional voltage regulator and transistor that the ABD doesn't. I would think they would have used the same IC from the previous model but I'm not sure. I would have thought it would be something with a higher gain than a 072.
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Originally posted by Helmholtz View Post
So you think a gain of one million (= 120dB) might not be sufficient?
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They scratch the number out so people think there is something special inside. They know if they leave the lettering on it, people will have a similar reaction as you did, expecting there would be something more exotic in there.
I suppose it would also prevent some with very limited electronics knowledge from cloning it.
I don't know how the person that drew up that schematic would know it was exactly a TL072, but rather something matching the pinout and general specs. (unless 4K version not scratched out)Originally posted by EnzoI have a sign in my shop that says, "Never think up reasons not to check something."
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Originally posted by g1 View PostThey scratch the number out so people think there is something special inside. They know if they leave the lettering on it, people will have a similar reaction as you did, expecting there would be something more exotic in there.
I suppose it would also prevent some with very limited electronics knowledge from cloning it.
I don't know how the person that drew up that schematic would know it was exactly a TL072, but rather something matching the pinout and general specs. (unless 4K version not scratched out)
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Originally posted by Mick Bailey View PostIf the pedal works OK up to the point where the problem starts, I wouldn't automatically suspect the IC.
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