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Post by poleshifter on Feb 8, 2015 19:33:38 GMT -7
I have two 1x12 Dr Z cabs. One is wired...
Black wire--> Positive
White wire-->Negative
Is this correct? Or should it be reversed to match how it comes out of the shop or to be standard?
I'm getting ready to replace the speaker in the 2nd cab. I will wire it the same as the first, but I want to do it the right way.
Thanks.
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Post by headshrinker (Marc) on Feb 8, 2015 20:00:00 GMT -7
From the factory white is + and black - It may be that it was used in a two amp setup where one of the amps was out of phase with the other. Flipping the leads would put them back in phase. Or it could have just been someone screwed up.
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Post by Jaguarguy (Mike) on Feb 8, 2015 20:07:48 GMT -7
^^^^^^ what Marc said!
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Post by Mark (Basement Enthusiast) on Feb 8, 2015 21:21:16 GMT -7
Generally, for guitar-amp speakers:
white or Red wire = plug/jack tip = Positive (+) Black wire = plug/jack ring = Negative (-)
However, it's sort of a relative thing anyway. For instance, if one cab happens to be "wrong," then if you wire another cab "wrong" and run them together (in series OR parallel) then they'll be "right." Also, if it's just one speaker by itself, then none of this matters...
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Post by DRZ on Feb 9, 2015 4:51:14 GMT -7
From the factory white is + and black - It may be that it was used in a two amp setup where one of the amps was out of phase with the other. Flipping the leads would put them back in phase. Or it could have just been someone screwed up. + 1000 Thanks Marc. DR.Z
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Post by montego on Mar 4, 2015 0:43:38 GMT -7
JBL's are reverse coloured, Red is negative and black positive.
Since other makes can be also, I usually stick a 9 volt battery to the terminals and see which way the cone travels. If the cone goes out forward (towards the listener) then the plus pole of the battery is connected to the plus terminal of the speaker. And vice versa. Only matters when more than one speaker is used and you need to wire them up together.
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Post by benttop (Steve) on Mar 4, 2015 6:20:58 GMT -7
I didn't put color codes on the diagrams on my blog because electrons know nothing of insulation color. After all, what color would you suggest between the two speakers in this diagram? Same problem with this here diagram: See the whole set of diagrams accompanied by acres of boring text: Connecting Speakers to an Amp
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Post by rcrecelius on Mar 4, 2015 15:56:26 GMT -7
Or...an electrician wired it Black is the "hot" wire when dealing with US household electrical.
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Post by nicholas on Mar 4, 2015 16:23:40 GMT -7
Or...an electrician wired it Black is the "hot" wire when dealing with US household electrical. Yup. The ole "black death"! Good post Steve, pointing out the tip / sleeve relation to + and - rather than using wire color.
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Post by benttop (Steve) on Mar 7, 2015 16:50:31 GMT -7
Or...an electrician wired it Black is the "hot" wire when dealing with US household electrical. Yup. The ole "black death"! Good post Steve, pointing out the tip / sleeve relation to + and - rather than using wire color. Oddly, you STILL have to use a battery if you have different brand speakers, because even there we do not enjoy a standard. Some will go out with the battery + to the speaker +, but some will go in. If mixing brands, test everything.
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