Noise from specific pairing of patch cable and pedal

Whale Bone

New member
Having received no answers in 'The Rack', I'm trying again here:
(https://homerecording.com/bbs/showthread.php?t=277178)

I've got a strange noise problem that I've never encountered before. One particular patch cable (1/4" TS) when connected to one pedal, a TC Electronic Vintage Bass Distortion, generates a loud buzz/humming noise. The same cable does not do this connected to anything else. Likewise, the pedal is perfectly quiet with any other cable.

The cable is a Monster (don't flame me, it came with a used keyboard I bought). An identical patch cable does not have this problem.

I have also observed the noise when the cable is connected to the output of the pedal.

The noise happens with the pedal off and mostly in the wet signal portion when the pedal is on.

Anyone have any ideas? Does the one cable have a particular capacitance that's causing it to be an antenna?

Turning the volume down on the bass doesn't kill the noise.

Recording of the noise:
First with the cable, then without. Signal chain: P-bass (vol up) -> cable in question -> TC pedal (off) -> second cable -> DI...
http://www.lightningmp3.com/live/file.php?id=16461

Thanks for anyone's help.
 
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