Tuner LED Noise?

Discussion in 'Effects' started by plankton, Jul 16, 2019.

  1. plankton

    plankton Well-Known Member

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    I have a couple cheaper pedal tuners. One is a Joyo and the other is a Rowin. The tuning accuracy of both is fine, but on both when the LEDs light up there is an audible tapping noise through the amp. At home at lower volumes it's not a big deal, but in a performance situation with a loud amp it wouldn't be desirable.

    I was thinking about getting a Polytune Mini, but not if it's going to make that noise. Is this an issue with all tuners that use an LED display, or is it just my cheap ones?
     
  2. cerebral gasket

    cerebral gasket Well-Known Member

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    Isolate the tuner's power supply from your other pedals. Try using a battery for the tuner if not already doing so.
     
  3. Biddlin

    Biddlin Well-Known Member

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    DSCN0292.JPG 1gskepi.jpg
    These are profoundly silent and one actually tunes the guitar.:cool:
    I find anything added in-line between the guitar and amp is liable to increase noise and decease signal.
     
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  4. Tony M

    Tony M Well-Known Member

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    I have a polytune, a polytune mini and a polytune 3
    on various pedal boards. They are all first in the signal chain,
    all running on non isolated daisy chained 1 spots and all
    dead quiet. The mini, despite being the smallest has
    the brightest easiest to read display. Go buy one.
     
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  5. Biddlin

    Biddlin Well-Known Member

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    I have started carrying a couple of Snarks with me, but at the end of the day, it's all in the ears and fingers, right?
     
  6. Tony M

    Tony M Well-Known Member

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    I always have a capo with me too.
    Here's what it looks like.

    [​IMG]
     
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  7. Tony M

    Tony M Well-Known Member

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    ...and speaking of snarks...

    upload_2019-7-16_23-14-18.jpeg
     
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  8. plankton

    plankton Well-Known Member

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    Yeah that did it, should have thought of that myself. :facepalm:

    I don't think it will take a battery being so small, but maybe, I'll have to check. Otherwise I might need to upgrade my cheap Caline power supply for something actually isolated or I'll try a Polytune and see if it's better.

    :cheers:
     
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  9. plankton

    plankton Well-Known Member

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    So I was shopping around for a better power supply and came across this.

    15115.jpg

    " Joyo JP06 ZGP Power Noise Blocker
    The JOYO ZGP is a wide-range voltage input power supply. It is well known that effect pedal hum and unwanted noise is the source of much aggravation for many guitar players. This little unit is specially designed to isolate a power supply's unwanted noise and hum making your pedals sound cleaner and giving you a clearer and more satisfying signal from guitar to amp.

    The ZGP is capable of isolating the power supplies hum and noise from a 9v adapter which effectively means that ground loops and/or most ripple noises should be a thing of the past."

    It was only $19 and the place I ordered it from has a great return policy, so I figured I'd give it a go. It arrived today and it immediately solved the noise issue with my tuner, with seemingly no downside. I don't know if it would solve every DC power noise issue, but if you have one pedal that is giving you trouble you should try it.
     
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