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Author Topic: Has anyone gone stereo wireless?  (Read 9469 times)

Offline PeterMa

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Has anyone gone stereo wireless?
« on: December 19, 2011, 11:11:28 PM »
I am having troubles with signal bleed between the peizo and humbuckers.  Has anyone successfully gone wireless in stereo?

I am using 2 wireless transmitters & receivers using a stereo cable out to the transmiters-the cable is definately not the problem.  As far as I can tell, the bleed is occurring within the guitar itself.

My theory is that since both lines share the same ground, signal bleed occurs.  Everything works fine when I use my stero cable(eliminating the wireless system).

Any thoughts would be appreciated.

Thanks.
Peter in MA.


Has anyone gone stereo wireless?

Offline Paul Marossy

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Has anyone gone stereo wireless?
« Reply #1 on: December 20, 2011, 09:25:23 AM »
What I usually see people say when there is signal bleed through is that it's the pickup switch that is the cause of the problem. Several people have said that the problem went away when they replaced the switch. YMMV.

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« Last Edit: December 20, 2011, 12:46:33 PM by Paul Marossy »

Has anyone gone stereo wireless?

Offline simonlock

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Has anyone gone stereo wireless?
« Reply #2 on: December 20, 2011, 12:30:28 PM »
Martone was stereo wireless for the Satriani tour. He posted a video on youtube about the system. I doubt it'll solve your problem but maybe it'll give you some ideas.
 

Has anyone gone stereo wireless?

Offline PeterMa

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Has anyone gone stereo wireless?
« Reply #3 on: December 20, 2011, 01:03:20 PM »
It happens on all of my Parkers.  I tried the system through 6 guitars and it bled through on all of them.  

Maybe Martone can help.
Peter in MA.


Has anyone gone stereo wireless?

Offline Paul Marossy

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Has anyone gone stereo wireless?
« Reply #4 on: December 20, 2011, 01:28:11 PM »
quote:
Originally posted by PeterMa

It happens on all of my Parkers.  I tried the system through 6 guitars and it bled through on all of them.


Oh, well then that's a different story! I thought we were talking about one guitar...

EDIT: I don't think that a common ground has anything to do with signal bleed through. If you send a signal to ground it disappears. Maybe it's "crosstalk" between the receivers themselves.

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« Last Edit: December 20, 2011, 01:42:45 PM by Paul Marossy »

Has anyone gone stereo wireless?

Offline PeterMa

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Has anyone gone stereo wireless?
« Reply #5 on: December 20, 2011, 01:48:56 PM »
I have set the frequencies as far apart as possible on the transmitters to eliminate crosstalk.  When they are hooked into two different guitars, there are no problems-no crosstalk or signal bleed.  It only occurs when running stereo out of the Parker.
Peter in MA.


Has anyone gone stereo wireless?

Offline Paul Marossy

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Has anyone gone stereo wireless?
« Reply #6 on: December 20, 2011, 01:58:17 PM »
quote:
Originally posted by PeterMa

I have set the frequencies as far apart as possible on the transmitters to eliminate crosstalk.  When they are hooked into two different guitars, there are no problems-no crosstalk or signal bleed.  It only occurs when running stereo out of the Parker.


I'm not sure what the deal is with that. Must have something to do with the circuitry of the guitar itself.

Which model Parkers do you have? Are they refined or pre-refined?

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Has anyone gone stereo wireless?

Offline PeterMa

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Has anyone gone stereo wireless?
« Reply #7 on: December 20, 2011, 02:04:26 PM »
I have both.  I also tried it with my Niteflys-same thing.
Peter in MA.


Has anyone gone stereo wireless?

Offline Paul Marossy

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Has anyone gone stereo wireless?
« Reply #8 on: December 20, 2011, 02:14:45 PM »
Hmm... interesting. The pre-refined and refined electronics are more or less the same except that the refined electronics have a solid state "smart switch" IC chip instead of physical switches like the pre-refined Flys have.

I was hoping that maybe it was a case of the "smart switch" IC chip getting confused or something, but I don't think that is the problem here since both refined and pre-refined have the same problem.

It could be a case of how the thing is wired & designed. It might be some kind of "design flaw", if you will, where at audio frequencies it might have some crosstalk but it's at such a low level that you can't really hear it (as in you have it plugged straight into signal chain via hardwired cables). But at radio frequencies (wireless) it gets picked up, amplified and then reproduced at the other end. That's my theory on this one...

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« Last Edit: December 20, 2011, 02:15:45 PM by Paul Marossy »

Has anyone gone stereo wireless?

Offline PeterMa

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Has anyone gone stereo wireless?
« Reply #9 on: December 20, 2011, 02:26:46 PM »
I have thought of that as well Paul.  I attempted to lower the gain on the units with that thought in mind and that didn't work either.

I think that I may not be able to go wireless the way that I want.

When performing I need both lines to be completely independant, otherwise I get overtalk on a loop through the acoustic line or dissonant notes in the electric side.  I use the switch on the guitar a lot when performing to switch between the piezo and Humbucker.  Unfortunately, I don't think that the average Parker owner uses these the same as I do.  I have tried to work it just using my volume pedals but it's way too much tapdancing and doesn't help when looping.

Of course I've dropped a ton of cash on 2 high end Sennheiser units that I'll take a bath on if I can't figure out how to make them work.  

I'm hoping that I am missing something.

Ugh.

Peter in MA.


Has anyone gone stereo wireless?

Offline Paul Marossy

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Has anyone gone stereo wireless?
« Reply #10 on: December 20, 2011, 02:36:10 PM »
quote:
Originally posted by PeterMa

I have thought of that as well Paul.  I attempted to lower the gain on the units with that thought in mind and that didn't work either.


I think it has to do with the process of signal reproduction in the wireless transmitter itself. Messing with the gain of the units won't help with that. You have to kill the problem at the source, and by the process of elimination, we can deduce that it's something to do with the guitar's electronics. I'm not sure what the solution is for this problem. Maybe a different brand won't do it?

You could try contacting Martone and see if he can offer some advice.

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Has anyone gone stereo wireless?

Offline PeterMa

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Has anyone gone stereo wireless?
« Reply #11 on: December 20, 2011, 02:44:13 PM »
I emailed Martone an hour ago, hopefully he is around to get back to me.  I also found video of him with a stereo wireless rig that sounded great-so there is a chance.  

Peter in MA.


Has anyone gone stereo wireless?

Offline PeterMa

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Has anyone gone stereo wireless?
« Reply #12 on: December 20, 2011, 02:46:04 PM »
quote:
Originally posted by simonlock

Martone was stereo wireless for the Satriani tour. He posted a video on youtube about the system. I doubt it'll solve your problem but maybe it'll give you some ideas.



Simon, I can't find the video where he is talking about his rig, do you know what the link is for it or any search paramaters that I can put in to find it??

« Last Edit: December 20, 2011, 03:03:48 PM by PeterMa »
Peter in MA.


Has anyone gone stereo wireless?

Offline billy

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Has anyone gone stereo wireless?
« Reply #13 on: December 20, 2011, 03:41:31 PM »
You might be getting crosstalk from poor shielding at your cables and/or proximity between transmitters.  (I don't know if anyone is making stereo transmitters but that would probably be the way to go.)  The frequency band of the system may also have some influence.
Billy

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Has anyone gone stereo wireless?

Offline PeterMa

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Has anyone gone stereo wireless?
« Reply #14 on: December 20, 2011, 04:35:36 PM »
Thanks Billy.  I tried seperating both the transmitters and receivers with no luck and all of the cables I am using are all high end Mogambi-including the custom cables I hade made for the transmitters.

I spoke to some more people and the thought is that the shared ground is the problem.  These wireless transmitters were not designed to share a ground.  I am essentially grounding the 2 wireless units together by using one cable which seems to be raising a little havoc with frequencies in the Parker.  

Martones rig looks to be set up so that he is using either the peizo OR Humbuckers-not both at the same time, which is not how I run my rig.  

I'm still searching.
« Last Edit: December 20, 2011, 04:37:39 PM by PeterMa »
Peter in MA.