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Jtv-69 Position 2 Neck/middle Somewhat Tinny


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#1 hnaline6

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Posted 31 May 2013 - 12:23 PM

Update July 5, 2012 - Can you scroll down to post number #11 below.  Would like to ask for your help please....

 

Hi folks, is it me or do you find position 2 neck/middle sound somewhat tinny or even out of phase when using it withOUT the electronics? It's hooked up to a DT-25


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#2 phil_m

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Posted 31 May 2013 - 12:36 PM

Well, it is out of phase... The magnetic pickups on the JTV-69 are wired essentially like a Strat. Position 1 is the neck, 2 is neck/middle out of phase with each other, 3 is middle, 4 is middle/bridge (phase doesn't really matter with the humbucker in the bridge), and 5 is the bridge. But on a Strat, positions 2 and 4 are often referred to as the "quack" positions. They're known for that tight, thin sound. I actually don't find a whole a lot of difference between the modeled Strat in position 2 and the magnetics. Playing clean, this tends to be one of my favorite sounds, actually.


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#3 hnaline6

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Posted 31 May 2013 - 01:26 PM

Thanks phil_m.  I have an aerodyne strat and i just found the Jtv-69's more pronounced (as in tinny and weaker?).  But from what i read somewhere else, for strats, positions 2 and 4 are just called "out-of-phase positions" but they are still physically wired in-phase.  

 

For position 4, (on a jtv-69) does one of the humbucker coils turn off?  If so, wouldn't that make it have the same characterstics as position 2 (as in somewhat weaker)?   I found position 4 to sound "normal" (imho).

 

Just curious...


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#4 phil_m

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Posted 31 May 2013 - 01:56 PM

You know, I hadn't really thought about the whole out of phase thing before, but you're correct. The pickups aren't out of phase. They're wired in parallel, but the windings on the middle pickup are reversed, so that is why there is hum cancellation. True out of phase pickups sound very, very thin. I don't believe the JTV-69 magnetics are wired any differently than a typical Strat. I play Strats most of the time, and to me position 2 on the JTV magnetics sounds like I'd expect.

 

What kind of pickups does your Aerodyne Strat have in it?


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#5 clay-man

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Posted 01 June 2013 - 11:56 AM

You know, I hadn't really thought about the whole out of phase thing before, but you're correct. The pickups aren't out of phase. They're wired in parallel, but the windings on the middle pickup are reversed, so that is why there is hum cancellation. True out of phase pickups sound very, very thin. I don't believe the JTV-69 magnetics are wired any differently than a typical Strat. I play Strats most of the time, and to me position 2 on the JTV magnetics sounds like I'd expect.

 

What kind of pickups does your Aerodyne Strat have in it?

Yeah, if it was out of phase it would be extremely thin sounding. Phase outs are very thin sounding unless the two pickups sound drastically different.

 

Basically if you doubled a signal exactly and phased it out/inverted it, you literally would hear nothing, because it cancels each other out. Basically like "1 + -1 = 0".

 

Since the pickups are a positioned a bit off, the signals don't sound exactly the same, so you basically get a "difference" signal, which is the remainder signal of what wasn't cancelled out since there was some difference between bridge and middle pickup's signal. Usually this results in a thin tone, which is why it sounds thinner than even the bridge pickup alone.


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#6 hnaline6

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Posted 02 June 2013 - 01:27 PM

Can someone assiist me by doing a quick check (not using the electronics) and compare Neck/Middile pos 2 and Neck/Bridge pos 4 ?   I definitely notice it being very thin and weak as compared to other positions.   Appreciate your feedback...

.


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#7 phil_m

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Posted 03 June 2013 - 05:37 AM

I use that position all the time with the mags on my JTV69, and to me it sounds like what I'd expect. Do you have the ability to record a quick sample of what you're hearing?


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#8 hnaline6

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Posted 03 June 2013 - 07:57 AM

Hi phil_m, yes I do have a sample recording. I sent you a PM with the sound sample.
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#9 phil_m

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Posted 03 June 2013 - 08:17 AM

Thanks for the samples. I hear what you're talking about. The difference in volume is pretty pronounced - more than I notice with mine. I wonder if it could be possible that your neck pickup got wired out of phase? It sure sounds like that could be the case.

 

I'd say it's worth opening up a support ticket: https://line6.com/lo...l?user_attempt=


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#10 hnaline6

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Posted 03 June 2013 - 09:23 AM

Thanks Phil_m.  I did open a ticket last Friday.  Thanks for the excellent help!


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#11 hnaline6

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Posted 05 July 2013 - 04:55 PM

Hi Folks,

My JTV-69 just came back from repair and the neck middle position still has that tinny sound. I'm highly upset with the quality of work and now not only does it have a new tiny nick at the headstock but it has tiny new scratches on the body. Albeit the sound is still the same (sounds like it is out of phase with the switch position at Neck and Middle).

I would appreciate some help if you folks can confirm that this is a problem/non-problem by listening to the attached MP3 file and comparing it to your jtv-69 WITHOUT the electronics (no LED lights on)

The tinny sound is apparent at the second set of strums (1st is Neck, 2nd is Neck Middle), ...

Thanks!

Attached File  variax issue.mp3   781.47KB   7 downloads
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#12 snhirsch

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Posted 06 July 2013 - 05:55 AM

I would appreciate some help if you folks can confirm that this is a problem/non-problem by listening to the attached MP3 file and comparing it to your jtv-69 WITHOUT the electronics (no LED lights on)


The tinny sound is apparent at the second set of strums (1st is Neck, 2nd is Neck Middle), ...

 

I'd like to help, but I get an error when attempting to follow that MP3 link.


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#13 phil_m

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Posted 06 July 2013 - 10:13 AM

What did the service center say they did with your guitar? Did they re-wire the pickups?


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#14 hnaline6

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Posted 06 July 2013 - 10:22 AM

I'd like to help, but I get an error when attempting to follow that MP3 link.

What error do you get?  I'll PM you.  Thanks!


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#15 hnaline6

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Posted 06 July 2013 - 10:26 AM

What did the service center say they did with your guitar? Did they re-wire the pickups?

Nothing whatsoever (no ticket updates, no e-mails),  I just received the guitar with two new very tiny blemishes.  I'm really unhappy with them right now.  I'm calling them up first thing monday.  They listened to the same sound file I sent you / posted here and that's when they told me to ship it for repair.  But it came back exactly the same way... 


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