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Author Topic: How to test jack for balanced/unbalanced  (Read 22893 times)

Steve Schow

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Re: How to test jack for balanced/unbalanced
« Reply #30 on: November 01, 2012, 07:41:00 PM »

It doesn't say it, it shows it.  Look at the pictographs.  The headphone jack is shown as a TRS stereo connector but the line out connections are depicted as TS.

That doesn't tell the whole story.  The previous generation of this device supported balanced or unbalanced line output, either TS or TRS.  So its perfectly reasonable that the pic may have shown a picture of TS cables, when it fact it also still supports TRS, hypothetically speaking.

I agree that this is probably the most likely truth and I am just trying to determine once and for all 100% that this device has been changed to unbalanced-only.

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Ned Ward

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Re: How to test jack for balanced/unbalanced
« Reply #31 on: November 01, 2012, 07:46:07 PM »

Dick - the headphone jack is a 1/8" stereo connector, not 1/4".


http://bimg2.mlstatic.com/pedalera-vox-tonelab-le_MLA-F-2988884209_082012.jpg



I'm still guessing unbalanced outputs.
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Steve Schow

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Re: How to test jack for balanced/unbalanced
« Reply #32 on: November 01, 2012, 07:57:34 PM »

I'm still guessing unbalanced outputs.

I think probably so also
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Don Boomer

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Re: How to test jack for balanced/unbalanced
« Reply #33 on: November 01, 2012, 10:04:47 PM »

So if you take a guitar cable and you plug it in to the output of your tone lab to the first click ( so it is engaging the ring) and now you plug the other end into a common guitar amp ... Do you get signal?

If you do then it is likely balanced.  If you get no sound then it is definitely not.
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Don Boomer
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John Roberts {JR}

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Re: How to test jack for balanced/unbalanced
« Reply #34 on: November 01, 2012, 11:22:37 PM »

It's a floor efx box... use a DI, into balanced snake line.

Stick a fork in it...

JR
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Neil Christian

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Re: How to test jack for balanced/unbalanced
« Reply #35 on: December 04, 2022, 07:39:34 AM »

I and other people on the web have asked if the tonelab LE has balanced outputs. The the circuit diagram for the TonelabLE shows the sleeve and the ring of a TSR socket both connected to ground so no the LE is unbalanced unlike the SE which is balanced.
« Last Edit: December 04, 2022, 07:51:08 AM by Neil Christian »
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Mike Kiedrowski

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Re: How to test jack for balanced/unbalanced
« Reply #36 on: December 04, 2022, 02:44:29 PM »

I and other people on the web have asked if the tonelab LE has balanced outputs. The the circuit diagram for the TonelabLE shows the sleeve and the ring of a TSR socket both connected to ground so no the LE is unbalanced unlike the SE which is balanced.


Yup, I have the service manual for this unit and can confirm this. Schematic shows TRS connectors but unbalanced signal output.
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Tim McCulloch

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Re: How to test jack for balanced/unbalanced
« Reply #37 on: December 04, 2022, 02:46:32 PM »

ZOMBIE THREAD.  It's just over 10 years old.  The OP has long moved on (hasn't logged in since July 2013).
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Re: How to test jack for balanced/unbalanced
« Reply #37 on: December 04, 2022, 02:46:32 PM »


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