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lduperval

Spider IV 15 "ground" noise when using phones output

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HI,

 

I'm trying to use my spider IV-15 with a mixer. When I plug the output to the mixer, I hear a"grounding" noise, the type of noise a needle used to make when using record players. If I push  the volume at maximum, I don't hear the sound anymore.

 

I just realized, now, that the amp makes a buzzing noise also, permanently. But when the guitar is playing, I don't notice it because it covers the buzzing. If I push the volume to maximum, the buzzing disappears. However, the sound in the mixer is distorted.

 

So, is this buzzing sound normal? Am I supposed ot hear it except at maximum volume?

 

Thanks,

 

L

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No, this is not normal.   Does the buzzing/noise happen if you turn up the volume with no guitar plugged into the amp?

Have you tried a different guitar cable or guitar?  What you described sounds like it might be a problem with one of those.

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The buzzing sound occurs when nothing is plugged in. If I push the volume to maximum, it disappears. I never really noticed it until I tried to plug it in. So maybe it's dying. ðŸ˜

 

L

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How old/new is the amp?  They are unrepairable (it costs more to open them up and test than a new one).  You could try spraing some electronic cleaner into the controls, but it probably won't help, sounds like it may be a pot going bad.

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When I connect headphones to this jack it seems to work fine.  But when I connect a cable to my iTrack solo interface for recording I get so much noise it's impossible to record.  I've tried several different cables.  At first I was using an unbalanced cable but then I read in the manual to use balanced (TRS).  So I tried a cable that I use with my iPad which is balanced at the phones jack end and then splits into unbalanced left and right to plug into mic inputs for recording.  Works great with the iPad but on this amp, it's just a lot of noise.  

 

Currently, I'm just putting a mic in front of the Spider and running that into a recording input and that works great, too.  But it would nice if I could get a direct line-in.

 

Does anybody have any thoughts?  Thanks.

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The headphone output is stereo, so you need a TRS plug into the amp, with the appropriate adapter to go into whatever input device you are using - if it has a stereo input, then adapt to that.  If it is mono, you need to use a stereo-to-mono adapter.  Don't get a balanced TRS signal path mixed up with a stereo TRS - two different things.

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