Is my receiver (Marantz NR1603) powerful enought for floor speakers? - AVS Forum
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post #1 of 7 Old 11-03-2013, 06:34 PM - Thread Starter
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I'm gonna be setting up a new living room home theatre and due to space constraints was hoping to get a half height receiver. My current choice is the Marantz NR1603 which provides 50W of power to each channel. I was hoping to match this up with 4 Pioneer SP-FS52 floor standing speakers (specs: http://www.pioneerelectronics.ca/ephox/StaticFiles/PUSA/Files/Home/Andrew%20SP-FS52Single%20Sheet.pdf) and the Pioneer SP-C22 center channel speaker (the backs will be floor standing also cause the price for the bookshelf speakers with stands is the same as the floor standing speakers). The question I have is whether the 50W per channel will be enough to drive these floor speakers to moderate (or the low end of loud) levels?

Thanks,
Harry
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post #2 of 7 Old 11-03-2013, 06:47 PM
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Lower end of moderate volume likely, but much above moderate would be iffy as they are only 6-ohm and not very efficient speakers.

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post #3 of 7 Old 11-03-2013, 06:56 PM
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Quote:
Originally Posted by Harry Muscle View Post

I'm gonna be setting up a new living room home theatre and due to space constraints was hoping to get a half height receiver. My current choice is the Marantz NR1603 which provides 50W of power to each channel. I was hoping to match this up with 4 Pioneer SP-FS52 floor standing speakers (specs: http://www.pioneerelectronics.ca/ephox/StaticFiles/PUSA/Files/Home/Andrew%20SP-FS52Single%20Sheet.pdf) and the Pioneer SP-C22 center channel speaker (the backs will be floor standing also cause the price for the bookshelf speakers with stands is the same as the floor standing speakers). The question I have is whether the 50W per channel will be enough to drive these floor speakers to moderate (or the low end of loud) levels?

Thanks,
Harry

Depends how far you're sitting from the speakers. I use about .001 watts for my listening sessions; but my speakers have a 97 dB sensitivity and I only sit about 4 1/2 feet away from them.

"Then one day you find ten years have got behind you no one told when to run you missed the starting gun."
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post #4 of 7 Old 11-03-2013, 08:34 PM - Thread Starter
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Would it make more sense to use this receiver with the bookshelf speakers instead? (SP-BS22-LR - specs: http://www.pioneerelectronics.ca/ephox/StaticFiles/PUSA/Files/Home/Andrew%20SP-BS22-LRSingle%20Sheet.pdf)

Thanks,
Harry

P.S. Alternatively, are they other speakers I should be considering? Based on my research these seem to be the best you can get for that price range ($150 each for floor speakers).
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post #5 of 7 Old 11-03-2013, 08:51 PM
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Quote:
Originally Posted by Harry Muscle View Post

Would it make more sense to use this receiver with the bookshelf speakers instead? (SP-BS22-LR - specs: http://www.pioneerelectronics.ca/ephox/StaticFiles/PUSA/Files/Home/Andrew%20SP-BS22-LRSingle%20Sheet.pdf)

Thanks,
Harry

P.S. Alternatively, are they other speakers I should be considering? Based on my research these seem to be the best you can get for that price range ($150 each for floor speakers).

Are you able to take a listen to these speakers before buying them? Based on the specs I would say the towers will perform better but specs can be misleading. They both have the about the same sensitivity so other than that there's no advantage of the bookshelf speakers. How about these? http://www.amazon.com/Klipsch-Synergy-F-20-6-5-Inch-Floor-Standing/dp/B003XRD9TQ/ref=zg_bs_3236453011_32 They are only $19 more and they have better specs, plus have a 95 dB sensitivity so it would be much easier on your amp.

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post #6 of 7 Old 11-03-2013, 09:01 PM
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The receiver will be putting out a little more than 50 watts since these speakers are 6 ohms.

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post #7 of 7 Old 11-03-2013, 09:35 PM
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Quote:
Originally Posted by Harry Muscle View Post

Would it make more sense to use this receiver with the bookshelf speakers instead? (SP-BS22-LR - specs: http://www.pioneerelectronics.ca/ephox/StaticFiles/PUSA/Files/Home/Andrew%20SP-BS22-LRSingle%20Sheet.pdf)

Thanks,
Harry

P.S. Alternatively, are they other speakers I should be considering? Based on my research these seem to be the best you can get for that price range ($150 each for floor speakers).

The tower speakers are 87db efficient - the bookshelf speakers are less efficient at 85db (typical of bookshelf speakers) and take more power to achieve the same sound levels. The best way to set this system up would be to add a sub if you don't already have one and set the crossovers to 80 or 100hz. This takes a lot of pressure away from the receiver since it doesn't have to reproduce the lower frequencies. Low frequencies take more power to reproduce than the higher frequencies. Since the sub has its own power amp it reproduces most of the sounds from 80-100hz and lower. Unless you want to make your ears bleed you should be fine with the 1603 AVR.

If you do not plan on adding a sub then a more stout receiver might be a better option.

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