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Post subject: Noisy guitar through pedal chain
Posted: Wed Feb 26, 2014 7:33 pm
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I am having an issue with a possibly noisy guitar through my pedal chain.
Up until recently, I used a wah, OD, distortion and fuzz pedal on battery power. No issues I ever noticed. Since I got all pedal happy, I now run a tuner, od, dist, fuzz, eq, wah, volume, chorus, tremolo and echo pedals on a 1 spot.
Due to noise issues I moved the wah from before to after the drives. I understand I will get some noise, but if i engage the od, fuzz, eq, wah and chorus, thats when the feedback really kicks in. Maybe too many pedals or too much vol/gain?
I've been getting feedback when I use my jazzmaster or my epi nighthawk. The switches and pots ping when I tap on them.
I use a solid state amp at home and a tube amp at the jam space. Same noise on both amps.
Today on the ss amp,using the jazzmaster, i spoke into the pickups and i could hear myself through the amp. Not really loud, but enough to hear. Things are quiet straight into the amp.
The last time I thought things were ok, I was using my squier tele custom II with P90s.
This guitar doesn't feedback but the other two do.
Does anyone have any ideas on why the noise and how to quiet it?
Thanks for reading.

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Post subject: Re: Noisy guitar through pedal chain
Posted: Wed Feb 26, 2014 7:51 pm
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Try using an extension chain with ferrite beads.
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Post subject: Re: Noisy guitar through pedal chain
Posted: Wed Feb 26, 2014 9:22 pm
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I'll check it out.
Thanks.

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Post subject: Re: Noisy guitar through pedal chain
Posted: Thu Feb 27, 2014 10:31 am
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Do the ferrite beads really help with the noise? I have an old Fender Blender I no longer use because of noise :(


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Post subject: Re: Noisy guitar through pedal chain
Posted: Thu Feb 27, 2014 10:55 am
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atolleter wrote:
Do the ferrite beads really help with the noise? I have an old Fender Blender I no longer use because of noise :(

It depends on the noise, and how it's transmitted. Ferrite beads are certainly not snake oil - they do work rather well at stopping EM/RF noise that travels along the cable.
They won't stop mains humm, but if it's RF noise like I suspect here, it should do the job.

Of course, better would be to get a power brick with separate and filtered outputs, but that is a LOT more than the $12 of a new chain cable...


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Post subject: Re: Noisy guitar through pedal chain
Posted: Thu Feb 27, 2014 10:58 am
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Not all 9VDC power supplies are created equal. Some can introduce noise. Until recently BOSS carried 2 kinds of small wall-wart style single adapter. The more expensive one was called PSA (something) and didn't introduce noise. The other one (forget the model) was about half the price and was shyte for use with stomp boxes. I just checked and they still make one called PSA-120 but that's not the one I remember. If you go from batteries to a power supply and suddenly there's noise then the natural deduction is the power supply is introducing the noise and you need a better one.

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Post subject: Re: Noisy guitar through pedal chain
Posted: Thu Feb 27, 2014 12:08 pm
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BMW-KTM wrote:
Not all 9VDC power supplies are created equal. Some can introduce noise. Until recently BOSS carried 2 kinds of small wall-wart style single adapter. The more expensive one was called PSA (something) and didn't introduce noise. The other one (forget the model) was about half the price and was shyte for use with stomp boxes. I just checked and they still make one called PSA-120 but that's not the one I remember. If you go from batteries to a power supply and suddenly there's noise then the natural deduction is the power supply is introducing the noise and you need a better one.


Does increasing the number of pedals from 4 (on batteries) to 10 (one spot) have any affect on the situation? Why do 2 guitars (singles and buckers) sound noisy when I touch the switch and pots, but my squire tele (P90's) is quiet?

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Post subject: Re: Noisy guitar through pedal chain
Posted: Thu Feb 27, 2014 4:56 pm
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Yoda. I recently had to switch amps. My singer and I are both using Les Paul Juniors. Singlecoils. He's not great at controlling feedback, so I gave him my amp with an inbuilt noisegate. Meaning I have to use a Marshall JVM. Not all bad, the switchable loop and 2nd volume control mean I get an instant boost for solos. Also with my wireless the only thing coming out front is my footswitch. Absolute freedom.
I noticed noise. At the time I was using a variation of the One Spot except the one I was using delivers 3amps current. Rather than the One Spots rather measly 1.8amps.
I chose that power supply because most pedal noise is generated by insufficient current from the power supply. The simple rule is add all the current draw from all your pedals together. If it comes to more than 1.8 amps or 1800 milliamps you're going to get power supply noise.

To solve my problem I went with the Voodoo Labs Pedal Power 2. Each output is isolated. It's an expensive but very quiet supply.

Here's my board, all neat. I'm powering my wireless from the Pedalpower. There is also a 200v output for pedals that require their own wall socket.

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Post subject: Re: Noisy guitar through pedal chain
Posted: Fri Feb 28, 2014 7:15 am
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Maybe sometime down the road I'll check into a brick style. I'll keep messing around with this one for now. Most of my concern is why the guitar itself is so sensitive, as opposed to the noise coming through the pedal chain.

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Post subject: Re: Noisy guitar through pedal chain
Posted: Fri Feb 28, 2014 12:03 pm
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Isolated outputs, make sure whatever you buy has isolated outputs. Anything else just generates noise.
If you're using 10 pedals with 150ma draw each, you need 1500ma just for that. Dunno what you're using but that meagre board of mine has a couple of pedals needing 300ma and the wireless needs 500ma.

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Post subject: Re: Noisy guitar through pedal chain
Posted: Fri Feb 28, 2014 12:48 pm
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The 1 spot is 1700 mA. All of my pedals should be under 300 mA, total.

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