Mathew Peluso
From:
Portland, Oregon, USA
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Posted 20 Nov 2024 12:54 pm |
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Hey all, I’m hoping someone can help with an issue that I can’t seem to figure out. I have a newer Goodrich L-120. Shortly after getting it I noticed a noise in the sweep. I assumed this was a bad pot and Kevin at Goodrich was super helpful and accommodating by swapping out the pot. He mentioned that he wasn’t picking up the noise when testing and suggested that it’s likely something else in my chain but replaced the pot anyhow for peace of mind. I found that the noise was gone initially but started to come back after a few months. The noise is in the exact same spot of the sweep so two bad pots would be extremely unlikely. I then did a lot of troubleshooting:
Steel to volume pedal to multiple amps
Multiple six string guitars to volume pedal to multiple amps
(Different cables at both points in both scenarios)
VP to multiple amps with no input/guitar (Different cables)
Played with the volume pedal on multiple amps in different buildings to rule out electrical in my house.
In all of these scenarios the noise was present at the same volume and in the same part of the sweep. I’ve confirmed with a multimeter that there isn’t any DC leakage from the input of my Milkman Half & Half. Since this is occurring on multiple amps something has either damaged the pot or there’s another factor. The trouble is I have no idea what else could be happening here. Is it possible my pickup is the source? I’m no expert in electronics but I don’t see how that could be the case. For reference, it’s a Telonics X10 in a Williams 700 series S10. Thanks in advance for any help with this! |
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Dennis Detweiler
From:
Solon, Iowa, US
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Posted 20 Nov 2024 4:11 pm
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Maybe try spraying some contact cleaner (Detoxit) into the pot. If that temporarily solves it, it has to be the pot again. I installed a new pot into my ShoBud pedal a few years ago and it had a very short bad spot in the sweep. I bought another one and it was good.
Also, if you have a multimeter, use it as a continuity test and see if it reacts.
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1976 Birdseye U-12 MSA with Telonics 427 pickup, 1975 Birdseye U-12 MSA with Telonics X-12 pickup, Revelation preamp, Carbon Copy Delay and Hall Of Fame Reverb, Crown XLS 1002, 2- 15" Eminence Wheelhouse speakers, ShoBud Pedal, Effects Pedals. 1949 Epiphone D-8. |
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