[moved] What specs should I consider when choosing speakers for my Yamaha RX-V563 - AVS Forum
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post #1 of 4 Old 06-23-2009, 11:29 AM - Thread Starter
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Hello All,

I am trying to decipher all the ohms and watts in the specification sheets to ensure I don't blow up my components and hard earned cash. Your help will be very much appreciated.

I am from the Middle East, and unfortunately separate sound systems are not a big deal here. Limited models and huge mark-ups (everyone is into HTIBs) makes mixing and matching all that much harder

I have decided to go with the Yamaha RX-V563 Receiver as it satisfies my two requirements (HDMI 1080p video passthrough as well as audio LPCM from my PS3, and 2 optical ins)

Now I am looking for speaker sets that will go with this receiver and here is what is available in my budget range:
1) JBL SCS140
2) Jamo A102 HCS5


I have specifications for all these three devices (Decided not to post them here as it might make an already long post even longer, and can't link as this is my first post...Yay!). But please request the spec numbers you would like to know (Power, Impedance, etc.) and I will post it down.

So to reiterate, which one of these two will be compatible (not blow up or be blown up by) the Yamaha.

Thank you and don't hesitate to request additional details and clarifications
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post #2 of 4 Old 06-23-2009, 11:56 AM
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The specification for the JBL SCS140 speakers gives their impedance as 4 ohms. I don't know whether the Yamaha receiver you have chosen with drive them or not, but it is a possible source of difficulty. Speakers with 8 ohm impedance would be more widely compatible with receivers. And I see that the Jamo speakers have 6 ohm impedance.

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post #3 of 4 Old 06-23-2009, 12:08 PM
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As a general rule, 4u would be considered an excessive load for the V563, but it will work. Typically, it's recommended not to set the AVR for 6u, but leave it at the 8u setting. These smaller speakers with a sub shouldn't present too much of a load.

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The specification for the JBL SCS140 speakers gives their impedance as 4 ohms.

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post #4 of 4 Old 06-23-2009, 12:23 PM - Thread Starter
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Thanks guys for your response.
so maybe that rules out the JBLs just to be on the safe side (heating issues + hot and humid middle-eastern whether probably not a good idea)

Looking at the yamaha spec sheet, it seems that the US model is 8ohms and other (middle east?) is 6ohm. Which matches the Joma, speakers. I guess I will go with those, they are cheaper anyways.

Thanks for the help guys.



I moved this to the setup forum but I believe we can continue here
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