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It has a 9VOLTS, (+) in the middle plug!

Juster SP-691N... | Answered on Nov 01, 2015


Unless you already hear something from the speakers when you hooked them up, the answer is yes.

Juster... | Answered on Sep 01, 2015


On both or just one?

Juster Audio... | Answered on May 10, 2015


You can have different problems.
1. one of the wire from 3 or 4 is broken
2. one of the wire is broken in the 3.5 mm jack
3. one or two of the wire is broken in the mute speaker.
4. The speaker itself is broken.

only-one-speaker-working-04dd3guc1bjobpkczdji2i1d-1-0.png

Juster Vintage... | Answered on Feb 13, 2015


Cut down the old jack.

Remove the cup from the new jack and pull up to the on the cable.
Clean up the wire about 1 cm long. There should be 1 common ground, one for Left and one for right channel.
Solder the Left channel's wire to the inner point.
Solder the Right channel to the middle point .
If you have two independent ground just spin together and solder them to the end point of the jack.
With plier press together the jack end, thi swill hold the wire
Pull down and twist the cap.

change-jack-new-one-04dd3guc1bjobpkczdji2i1d-3-0.png

Juster Vintage... | Answered on Feb 13, 2015


yes, your speakers will be damaged. do not connect 19 volts to a 9 volt device. go to walmart or radioshack and purchase the correct power supply.

Juster AC-691... | Answered on Jun 04, 2014


try another source

Juster Vintage... | Answered on Jun 04, 2014


Slide the balance control in your mixer all the way to one side to see which is which.

Juster Vintage... | Answered on Mar 30, 2014

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