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Scratchy Volume Pot


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#1 tomb68

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Posted 09 October 2013 - 11:05 AM

My JTV-89 has a scratchy volume pot, but only when then the modeling is engaged. I thought I recalled someone stating the volume pot works differently when the modeling is engaged but couldn't locate any threads. Exercising the pot helps but it always comes back. Are the pots in JTV's standard pots?

 

 


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#2 stevekc

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Posted 09 October 2013 - 11:39 AM

When the Variax is set for a modeled tone, and the Volume pot is moved rapidly, there is a "zipper noise" like sound. Every Variax I own (5) does this exact same sound when the Volume pot is moved. This "zipper noise" is more apparent when using the Variax with a High Gain Amplifier or High Gain HD-500 preset.

 

I just live with it.

 

Using the Normal Pickups on Tyler Variax eliminates this "Vol Pot zipper noise".


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#3 tomb68

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Posted 09 October 2013 - 01:42 PM

I notice more on the cleans. My usual patch is the blackface dbl normal on my HD-300 either clean or just breaking up. I will check again tonight but it didn't sound like digital zippering, although it definitely could be that. If it is digital zippering why does it stop after I exercise the pot? It sounds more like a microphone in a very windy environment.  


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#4 toneman2121

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Posted 09 October 2013 - 01:56 PM

i assume it wasn't scratchy at first. the volume pot in my xt was scratchy and i took the pod apart and cleaned it with contact cleaner and exercised it but it only worked a short time. i wrote to line6 and they sent a new one free of charge in less than a week.


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I'M SO HAPPY!


#5 clay-man

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Posted 09 October 2013 - 05:56 PM

I only notice the "zipper" noise when I'm plugged into workbench. 

This is because it's communicating in realtime with workbench.

 

I'm not sure if it does the same with a POD device. I hope not.


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#6 tomb68

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Posted 10 October 2013 - 04:47 AM

i assume it wasn't scratchy at first. the volume pot in my xt was scratchy and i took the pod apart and cleaned it with contact cleaner and exercised it but it only worked a short time. i wrote to line6 and they sent a new one free of charge in less than a week.


It's only 2 months old. Probably need to open a support ticket.
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#7 Charlie_Watt

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Posted 10 October 2013 - 08:01 AM

Is it "Scratchy" when not in WB?


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#8 tomb68

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Posted 10 October 2013 - 04:27 PM

Is it "Scratchy" when not in WB?


Yeah. Scratchy when the modeling is on, but I don't use workbench too often, maybe twice a week. I did hear the zippering when I connected WB last night, which I hadn't noticed before because I never had played with the volume control while connected to it.

can you always hear the zippering when connected over vdi? That would get on my nerves in headphones, but live I probably wouldn't notice.
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#9 clay-man

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Posted 10 October 2013 - 05:29 PM

I could hear the zipping you guys were talking about but it's really quiet, almost not even a problem. 

It happens when you roll the knob fast.

 

What firmware are you guys using?


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#10 tomb68

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Posted 10 October 2013 - 05:35 PM

2.0 here - I wouldn't have even noticed if someone hadn't pointed it out.
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