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Old 20th July 2008, 11:59 PM   #1
80sboy is offline 80sboy  United States
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Default Vintage Speaker Wiring

Greetings ~

Having serious frustration with wiring up a vintage zenith stereo cabinet. The stereo was dead so I pulled it to put in another vintage stereo that works. However in trying to figure out the wiring of the speakers I am running into some problems.

The speakers have one main and one horn, there are two posts on the main speaker, another wire goes from one post up to the tweeter horn through a little panel that has a couple of electrical parts on it.

IN trying to wire them up to the stereo (pioneer sx-980) I can not figure out what needs to go where. If I have the stereo set to "stereo" the right channel goes away. If it's set to mono, both sides play. I know basic stereo wire just has a positive and a negative terminal, but when there's a crossover involved I'm very confused.

Any help at all would be greatly appreciated, sorry it's such a basic question, I just can't for the life of me figure it out, I've spend about 3 hours trying every combination and I know there's just some very basic thing I'm missing.


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Old 20th July 2008, 11:59 PM   #2
80sboy is offline 80sboy  United States
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TO clarify, when the stereo is in mono I can pan the sound from left to right and both speakers work, however when I have it set to stereo and pan to the right no sound comes from the right speaker.

Help!!! and thanks in advance

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Old 21st July 2008, 12:04 AM   #3
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I have merged the two threads you started.
planet10 needs your help:
Let's help Ruth and Dave
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Old 21st July 2008, 07:20 AM   #4
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Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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Old 22nd July 2008, 01:08 AM   #5
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Can you get hold of a digital camera? Some pics might help.
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Old 22nd July 2008, 01:14 AM   #6
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so in mono mode, both speakers work. The balance control pans to the left and the right. Sounds like you wired the speakers up correctly.

Are you getting lows out the woofers and highs out the tweeters? If so, then the speakers are almost certainly wired correctly.

Are you sure the amps OK? Can you try a different pair of speakers to the amp to verify that stereo mode works as you expect?

There may be a problem with the mono/stereo switching circuit.
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