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Can you bridge/combine unused channels on Onkyo Receivers? (606)

post #1 of 5
5/27/09 at 9:23pm
Thread Starter 
I have a Onkyo 6100 HTiB, which comes with the 667 receiver. This receiver is basically a 606, except it produces 130w per channel instead of 90.

I am looking to upgrade the stock speakers, and have my eye on some JBL S312 floorstanding speakers, which have a 12" driver. I've been researching them and they seem to do best with 200+ watts RMS.

Since I only plan to ever use 5.1, is there a way to utilize the two unused channels of "wasted" power? Do the Onkyos provide a way to bi wire a speaker with the power from the two unused channels, but the signal from the front L/R?
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post #2 of 5
5/27/09 at 9:50pm
Thread Starter 

Re: Can you bridge/combine unused channels on Onkyo Receivers? (606)

Actually I just looked up specs for the JBL S312s (hard to find) and it seems the speaker only has one pair of terminals on the back. This means I can't bi-amp, right?
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post #3 of 5
5/28/09 at 3:27am

Re: Can you bridge/combine unused channels on Onkyo Receivers? (606)

You can't bi-amp with one speaker terminal. Bi-amping has very little, if any, benefit when using the same power source such as the back channels of a 7 channel receiver. It all comes from the same power supply. You really need two separate amplifiers for there to be any advantage.
Quote:
This receiver is basically a 606, except it produces 130w per channel instead of 90.
I doubt it actually produces more power than the 606. They just rate it differently to make it look more impressive. Virtually all htib's are way over-rated.
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post #4 of 5
5/28/09 at 8:07am

Re: Can you bridge/combine unused channels on Onkyo Receivers? (606)

Brian,

You may want to get some opinions on speakers here before you purchase the JBL's. With the 606, it may be better to look at a really good sub instead of "12 inch" drivers in your mains.
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post #5 of 5
5/31/09 at 11:28am

Re: Can you bridge/combine unused channels on Onkyo Receivers? (606)

Brian touches on an important point. Actually, so did Gene. You will gain little to nothing even if you could bridge or bi-amp the speakers. You will, however, gain significantly by using a good powered sub and setting the JBLs to "small". You MUST set them to small to get the power benefit. Did I mention that you can't run them on "Large" to get the benefit?
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