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What ohms to set?

post #1 of 8
Thread Starter 
I found a Kenwood KR-V7050 stereo receiver at a Goodwill store and it has a ohms switch. Now from what I see is that I' am suppose to set it to 8 ohms or less since I have a pair of speakers that are 4 ohms but there are people who are saying that I should set it to 8 ohms or more even my speakers are 4ohms but I want to make sure my receiver and speakers will last so I assumed it is best to set it to 8 ohms or less right?
    
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post #2 of 8
This is an interesting question. Here is my best answer. A 4 ohm speaker will draw twice as much power as an 8 ohm speaker. So I would set the receiver to match if possible. You will likely see no ill effects either way unless you are really pushing the amp hard and even then, you are likely fine. What are the limits of the speakers and the amp? (wattage)
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post #3 of 8
Thread Starter 
Well the receiver says it's 100 watts per channel and the JBL Control 1 speakers are 150 watts pink noise and I heard that it basicly means that my speakers are 150 watts RMS. To tell you the truth I really wonder if my speakers are really 150 watts since just turning the volume almost half way the speakers already start to distort and the SK3 lamp starts to light up. Basicly my speakers have a SonicGuard protection on the crossover so it protects the woofer from getting blow since the lamp will burn out before the speakers. But the tweeters are not protected and doesn't have a SK3 lamp for it. I know that the newer JBL Control 1 Pro has two lamps so it will protect the tweeters and woofers from blowing.
    
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post #4 of 8
Thread Starter 
Is it safer to use 8 ohms or less on my speakers or overall it's better to use 8 ohms or more. It seems like some guys say that there are bad and good on both sides like some guys said that it would clip at higher volume if set 8 ohms or less but then if I set it to 8 ohms or more then it will overheat. But this is kinda confusing since both aren't good apparently. I wonder which will likely not happen as easy as the other one.


Basicly which settings I should use that will less likely damage anything and will be the best?
    
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post #5 of 8
I use 8 ohm. Less heat.
    
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post #6 of 8
Thread Starter 
Or maybe I should ask is which is likely the speakers and the receiver won't get damaged at higher volume? Using (8 ohms or less) Or (8 Ohms or more)
    
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by MR KROGOTH View Post
I use 8 ohm. Less heat.
Do you have 4 ohms speakers? Also do you have a receiver that is sorta like mine that you can change the ohms? Or are you saying you are using 8 ohms speakers and it stays cool? Since I thought that if you set it to 8 ohms or more using 4 ohms speakers it will make more heat.
    
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post #8 of 8
Thread Starter 
Actualy I took a close look at the schematic of the crossover and it looks like the SK3 lamp actualy protects both the tweeter and woofer even the older version of the JBL Control 1. So basicly the lamp will go out if I put to much power to all of the drivers on the speakers. If the lamp goes out no sound will be heard from the speakers anymore unless I replace the lamp.
    
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