Marantz SR5006 - can I bi-amp Front B with the Surr.back/amp assign inputs? - AVS Forum
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Old 09-15-2012, 07:36 AM - Thread Starter
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I wanted to use Front A, Center, Surround L/R for my sound bar and bi-amp Front B for my music speakers.

Can bi-amping be assigned and done on the Front B inputs?

I have yet to purchase the receiver but this is a main area of concern.

I need a way to separate my second set of speakers assigned for music for bi-amping.


If this is not possible can Front B be assigned for the 5.1 channel and Front A/Amp Assign be used for Stereo instead?
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Old 09-15-2012, 10:10 AM
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What kind of sound bar do you have?? Make and model please.

I think you can do the bi-amp like you want. What kind of music speakers?
The effectiveness of bi-amping is very debatable.
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Old 09-15-2012, 10:53 AM
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Yes, it is possible although unlike some Denon models that can assign the the Front B specifically to Stereo only, AFAIK, you must manually make that change. Note the Front B share the same amp as the Front A, so if running A+B, the impedance will change to 4-ohm if using 8-ohm speakers. Also note when using the "bi-amp" mode, both sets of speaker posts pass the same full range signal which is why there is unlikely to be any real benefit in either audio fidelity or power.



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Old 09-15-2012, 04:23 PM - Thread Starter
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Polk Original SurroundBar and B&W Cm5's

The point is to have the Polks on Front A, Ctr, Surr L/R and the B&W on the Front B, bi-amped.

Please advise further.
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Old 09-15-2012, 04:29 PM
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Right ... so the B&W CM5's would be connected to both the "Front B" and "Surr Back/Amp Assign" speaker posts if you want to bi-amp them and the AMP ASSIGN setting would be set to "SPKR-C".

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Old 09-15-2012, 04:40 PM - Thread Starter
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great so the bi-amp and amp assign option works with either Front A and B?

That would be perfect for my setup.
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Old 09-15-2012, 04:45 PM
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Correct. The AMP ASSIGN setting of "SPKR-C" simply passes the same signal passed to the Front A/B speaker posts to the Surr Back/Amp Assign speaker posts as well ... get it ... A,B,C. wink.gif

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Old 09-15-2012, 05:33 PM - Thread Starter
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yes of course. My concern was that the bi-amp function wouldnt work. My intention is to switch to Front B and stereo setting when I want to listen to music.
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Old 09-16-2012, 09:38 AM
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Isn't your "Polk original soundbar" already self- powered?? All the ones I looked
At had their own amps built-in.

If this is the case, why would you connect a marantz AVR to it?
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