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Hum: I don't find the solution. Help please!

Discussion in 'Basses [BG]' started by Syl_Funky_bass, Jun 27, 2020.

  1. Syl_Funky_bass


    Jun 4, 2016
    Hi guys,

    I need your help on something that's a real mystery to me:

    I've recently bought a new bass which I'm totally satisfied with. I really dig this instrument. It's a 2006 Fender Victor Bailey Jazz Bass V in mint condition.

    But I have a problem with it: I get a lot (really a lot!) of hum (not sure it's called hum but I think so) when I plug my bass to my amp.

    I made some research and I'm aware it's perfectly normal for single coils to produce some hum. But here it's a clearly abnormal and strong noise.

    The hum disappears as soon as I touch any metallic part of my bass (strings, pots, tuning machines etc...). According to my research this is typical of a shielding problem with the bass.

    As far as troubleshooting is concerned, here is what has been done so far:

    At home:

    -I tried my amp and cab with my other bass (2nd gen Sire V7 vintage 5) and don't get any abnormally high amount of hum at all.

    With the V Bailey Jazz:
    - I tried different brand new jack cables
    - A new power supply cable with my amp (brand new Markbass Little Ninja + Ninja 212 cab)
    - New high quality 9-volts batteries in my active bass.

    ... and still get that same abnormally high amount of hum.

    After that I brought the bass to a local guitar tech who put some new shielding to it. We tried the bass at his place with his amp and cab and it was perfectly fine. No abnormal hum at all.

    I got back home and tried it again and got the exact same hum issue.

    I then suspected grounding issues in my home (even though I have no problem at all with my other bass) so I took the V Bailey Jazz bass, my amp and cab to another location and tried them. I still get the same hum problem.

    Right after that I tried the bass again with another amp and cab that was present in the room and didn't get any hum at all.

    To sum it up: I get extremely high hum from my bass only with my (brand new) amp and cab (not with my other bass though).

    What should I do, guys? I'm hopeless.

    Thanks for your help in advance.
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