Powering Speakers with more watts than receiver. - AVS Forum
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post #1 of 18 Old 12-07-2012, 04:30 AM - Thread Starter
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Hey all, I'm new to this game of audio and home theater and trying to get a little help here.

I just bought https://www.shoponkyo.com/detail.cfm?productid=HT-RC330&modelid=43&group_id=1&detail=1&ext_war=1 because it was $90 shipped to my door. I know its BARE BONES BOTTOM LEVEL receiver, but honestly I just want to hook up my cable box and ps3 to it and have some nice audio coming out. I don't need all the features. It's mainly for 3d movies, blu-ray, some ps3 gaming, and music as well.

My question is about powering speakers. Ideally I want to run a 3.0 or 3.1 setup but will probably just be a 2.0 setup at first. The speakers I was looking at are http://www.pioneerelectronics.com/PUSA/Home/Speakers/Home+Theater+Speakers/SP-FS52 for $99 a piece as two front speakers. Then eventually getting the matching sub and center later. I know both the receiver and speakers are rated to 6 ohms, so does that mean the receiver will be putting out roughly 90 watts to these speakers? The speakers are rated at 130 watts so will they be really quiet or will they still get decently loud? I live in an upstairs apartment so I don't need anything really booming right now. I beleive the speakers are rated at 87db also.

If you have other suggestions on other speakers that would work better, I'd appreciate it.
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post #2 of 18 Old 12-08-2012, 02:28 AM - Thread Starter
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Anyone have any ideas on this? would this receiver be powerful enough? How about using Polk Monitor 70's instead?
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post #3 of 18 Old 12-08-2012, 04:41 AM
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For just two or even three speakers, that receiver will do fine. Not to mention if you're not gonna be cranking it.

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Of course, I got it modified with the TK-427, which cheeks it up another, maybe, 3 or 4 quads per channel.
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post #4 of 18 Old 12-08-2012, 04:47 AM - Thread Starter
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Thanks you, I do not plan on cranking it, just a little loud for some movies is all. But like I said, I live in an apartment so not too loud. I appreciate the reply. Do you have a recommendation between the pioneer fs52 towers, Polk audio monitor 70's, monitor 60's, or even the pioneer bs22 bookshelves?

In a year or two after I'm married I plan to upgrade my receiver when I have more available income, but I'm glad this will work for now.
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post #5 of 18 Old 12-08-2012, 06:37 PM
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Either speaker should do the job. The Polk have a higher sensitivity though and will therefore be easier for your receiver to power. You'll get more sound with less power out of those Polk. But, either speaker will still work.

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Of course, I got it modified with the TK-427, which cheeks it up another, maybe, 3 or 4 quads per channel.
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post #6 of 18 Old 12-08-2012, 07:43 PM - Thread Starter
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Originally Posted by MrEastSide View Post

Either speaker should do the job. The Polk have a higher sensitivity though and will therefore be easier for your receiver to power. You'll get more sound with less power out of those Polk. But, either speaker will still work.

Thanks, I really appreciate your help on this. Just one more option. The fry's near me is selling the Infinity Primus 363 towers for $117 a piece. I hear these are comparable to the Polk Monitor 70's but they might have a low impedance like 4 ohms instead of the stated 8 where it might be hard for my receiver to run. Between the Polk at $150, Infinity at $117, and Pioneer at $99, I'm thinking about one of the first two because of the higher sensitivity making it easier to run on my receiver. Do you have an opinion on the infinitys at all?
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post #7 of 18 Old 12-08-2012, 08:06 PM
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A lot of people recommend those Infinity around here as a good entry level speaker. And they're actually 8ohm speakers. They'd do just fine as well and $117 each would be a really great price.
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Of course, I got it modified with the TK-427, which cheeks it up another, maybe, 3 or 4 quads per channel.
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post #8 of 18 Old 12-08-2012, 08:16 PM - Thread Starter
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Thanks MrEastSide. I think I will end up going to frys tomorrow to check them out. Cheaper than the Polks but highly regarded and even a little more sensitivity so it should be easier to run. Seems like a no brainier. Thanks you very much you have been a great help.
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post #9 of 18 Old 12-09-2012, 12:16 PM
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Quote:
Originally Posted by MrEastSide View Post

A lot of people recommend those Infinity around here as a good entry level speaker. And they're actually 8ohm speakers. They'd do just fine as well and $117 each would be a really great price.

Actually, Audioholics tested the P363s and found that the impedance should have been rated 4 ohms. Could very well tax the receiver if they are pushed very hard.

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post #10 of 18 Old 12-09-2012, 12:27 PM
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The Pioneer speakers are a very bad choice for a low-priced receiver because their sensitivity is poor.

The spec you must look at is SENSITIVITY, which in the case of the Pioneer speakers is so low that a low-powered receiver will not have enough to drive them well.

You want speakers with a sensitivity rating of NO LESS than 90 db per watt! Be certain of this before you buy!

Each 3 db lower than that doubles the power needed for a given volume level, and the Pioneers are only 86 db per watt.

You also want speakers rated at 8 ohms; not lower!

I suggest the Sony SSB-3000 speakers which run $100/pair, or the Polk Monitor 40 for $170/pair.
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post #11 of 18 Old 12-09-2012, 12:57 PM
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I don't always agree with commysman, but I think he is right on about the sensitivity issue with that receiver.
I got my Polk m40s for 100/pr from new egg in early 2012!

Set up #1: EMP e5ti, e5Ci, and SLS Q line Audio surrounds, EMP 10i10i sub
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post #12 of 18 Old 12-09-2012, 01:24 PM - Thread Starter
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Thanks for the replies guys, what do you think about the infinity p363's? I hear they have a 92-93 sensitivity. Or the Polk monitor 70's or 60's at 90 sensitivity? The infinity's are only $117 a pair which is pretty amazing right now (I know they go to $99 sometimes), and the Polks are $149 and $99 a pair respectively. Wouldn't the polks be actually harder to push on the receiver because of the 2-3 lower sensitivity level?
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post #13 of 18 Old 12-09-2012, 01:30 PM
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I would rate the infinity primus slightly above the Polk monitors,IMHO!

Set up #1: EMP e5ti, e5Ci, and SLS Q line Audio surrounds, EMP 10i10i sub
Set up #2: Def Tech SM450, CLR2002, SLS Qline surrounds and Klipsch 12wD sub
Set up #3: JBL130, JBL120C and Klipsch synergy sub
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post #14 of 18 Old 12-09-2012, 01:37 PM - Thread Starter
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Quote:
Originally Posted by Elihawk View Post

I would rate the infinity primus slightly above the Polk monitors,IMHO!

Thanks Eli, so even though the receiver is bottom barrel it shouldn't have a problem running it right now at just moderate home theater sound level? I should be able to upgrade receiver in a year or two to help power them more. It seems if they are rated slightly above the Polks and are cheaper than the Polks it would make sense to get them.

Let me throw a curve ball in the mix here.. The same frys also has the infinity bookshelf p153 speakers on sell for $49 a piece... Considering this, would it be a better investment to get 4-5 bookshelves speakers for the same price as two towers (I won't be getting a sub for a while)? Or should I just stick with the 2.0 setup of the towers and then add a sub later and finally a center channel to make it a 3.1?

Thanks for all the help.
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post #15 of 18 Old 12-09-2012, 05:36 PM
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Originally Posted by ntensity View Post

Thanks for the replies guys, what do you think about the infinity p363's? I hear they have a 92-93 sensitivity.

They don't. Go read that Audioholics review page I linked to. Their sensitivity has been tested to be 90db.

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post #16 of 18 Old 12-09-2012, 06:04 PM
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Originally Posted by cel4145 View Post

Actually, Audioholics tested the P363s and found that the impedance should have been rated 4 ohms. Could very well tax the receiver if they are pushed very hard.

I was just going by every site which has those speakers' specs posted, as well as Infinity's own site.

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Of course, I got it modified with the TK-427, which cheeks it up another, maybe, 3 or 4 quads per channel.
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post #17 of 18 Old 12-09-2012, 08:20 PM
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I have a friend who has the infinity primus p363s as fronts driven by a cheap Sony 5.1 and they have NO problem getting loud!

Set up #1: EMP e5ti, e5Ci, and SLS Q line Audio surrounds, EMP 10i10i sub
Set up #2: Def Tech SM450, CLR2002, SLS Qline surrounds and Klipsch 12wD sub
Set up #3: JBL130, JBL120C and Klipsch synergy sub
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post #18 of 18 Old 12-09-2012, 08:44 PM
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Quote:
Originally Posted by MrEastSide View Post

I was just going by every site which has those speakers' specs posted, as well as Infinity's own site.

I'm sure they all copy the specs that Infinity gave them.

Your questions are answered: Speaker FAQ
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