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Positive-Negative On BInding Posts

I haven't been able o listen to my stereo due to my parents being ill.About 2 years ago I remove the speaker that was being used and I just went to set my system back up and there aren't any indicators showing which post is positive or negative. No red ring etc.
I have a pair of IMF 80'S. I sent my amps away a month ago to get upgraded and didn't notice the problem with until I went to hookup the new speaker cables.I checked On Line but no info or pictures of the rear of the speakers. Can someone help me ?

Thanks
Bill
phillysound001
rar1's avatar
rar1
1,820 posts
 
Hi Bill - 

Red is positive (+), black is negative ( - ).


Rich 
tutetibiimperes
202 posts
 
As long as you hook up the same amp channels to the corresponding binding post the same way on each speaker it shouldn’t matter.  For example, if you hook up positive on the amp to the top (or left) binding post on one speaker, do it the same way on the other.  

As long as your speakers are in phase with each other it will sound like it should. 
roxy54's avatar
roxy54
8,203 posts
 
Positive will normally be on the right, negative on the left.
onhwy61's avatar
onhwy61
5,348 posts
 
The above answers assume the loudspeakers are internally wired the same.  To test, wire both loudspeaker the same and play a mono recording.  The sound image should sound narrow and located midway between the loudspeakers.  If the image is diffuse you should flip the connections on a single loudspeaker.
tls49's avatar
tls49
1,351 posts
 

Get a 1.5 volt battery and use this trick. When the woofer pushes out, the positive of the battery is connecting to the positive of the speaker. If the woofer pulls in, then the positive of the battery is connecting to the negative of the speaker.

https://m.youtube.com/watch?v=u_C9M-rvbWA


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