acoustic guitar hum
Hey guys , I'm hoping someone can help here with fixing an earthing hum on my steel string acoustic guitar.
It has a Fishman infinity pre amp and piezo under saddle pick up installed.
Observations : If I touch the metal end jack insert the hum goes away ,
I put one hand on the mixing desk the hum is gone ,
Can someone chime in here who has been through this and point me to a simple solution.
I have read posts where they suggest there is a problem with the pick up ,( hope its not )
I thought about earthing the guitar to the desk with another cable ....lol
cheers and happy New Year !
G'day mate :),
Does the desk hum?
G'day there Skippy Ranger :).
We are in for the first cyclone of the season next week here in the FNQueensland .
The desk is fine all channels are quiet , its a passive sound craft , must be 10 years using it now and it all works . knock on wood ...
The only problem with the desk was a pesky rat or mouse that liked to chew one of the knobs when we left it set up on Dunk Island .
Funny thing is it went for that same knob and chewed half of it off , I didnt realise what was going down in the middle of the night...lol
AH ha , I just recall , the hum actually went away when I earthed it ( touching the input jack ) , and came back after about 5- 10 seconds ( after unearthing it )
Just in case that could help in diagnosis
Have you tried any other instrument to see if you get a hum?. I am just trying to see if you're getting a loop hum or if in fact the pickup jack is the cause.
I plug other guitars in through the same fx pedal and leads with no hum
Well mate, looks like you unfortunately, answered your own question. I would be checking the connections on the acoustic now.
Smashh, post: 423463, member: 45856 wrote: I plug other guitars in through the same fx pedal and leads with no hum
If earthing the guitar jack to the desk works, then I'd be quite happy, and if swapping the lead shows it isn't a cable fault then it's perhaps the jack - but if connecting an extra ground works, why worry?
Yes I guess Ill run an extra lead from the input jack to the chassis of the desk . It just bugs me that surely it should be working properly without having to go there .:whistle: