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Thread: Under Powered?

  1. #1

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    Default Under Powered?

    My apologies but I am obsessing with the power to my RTiA9's. I have an Emotiva XPA-5 running my A9's, Csi A6 and the Fxi A6's. 200 WPC seemed like a solid number when I purchased the A9's knowing they are power hungry, however I have done a lot of research and it seems as though they may be a little underpowered... I am in no way dissatisfied with the way they sound, but I only have two ears. Those of you that have experienced the same thing please chime in.
    Polk Audio RtiA9 - Front x 2
    Polk Audio CsiA6 - Center
    Polk Audio FXiA6 - Surrounds x 4
    Denon AVR 3313 CI
    Oppo BDP 103
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    SVS PB12 NSD

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    I am in no way dissatisfied with the way they sound, but I only have two ears.
    But their your ears if it sounds good to you that's all that matters.
    I'm sure others will chime in.
    Dan

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    I used the XPA-5 to power mine until I got the XPA-2, I did notice a little fuller bass and midrange with the increased power. But I thought the XPA-5 did a pretty good job.
    Home Theater
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    I'm with Zane! I noticed the same thing when I went from the XPA-3 to the XPA-2. Where I noticed it the most was with 2ch listening.
    Draggn' knee is exhilarating, 150mph wheel standers are pretty cool too


    Home Theater-7.2
    Display-SamsungPN64D8000 | Receiver-Onkyo TX-NR807 | Source-OPPOBDP-103 | Amplifiers-Emotiva; XPA-2 x2, XPA-3 | Speakers: PolkAudio; mains-RTiA9, rears-RTiA9, center-CSiA6, surrounds-FXiA6 | Sub-Epik Empire x 2 | Interconnects-Emotiva


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    well, that thing rated at 500W and you give it 200. yep, I think so. well underpowered

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    Quote Originally Posted by nhhiep View Post
    well, that thing rated at 500W and you give it 200. yep, I think so. well underpowered
    Those manufacturer suggested watts mean diddly squat.

    Just feed them lots of current, don't pay attention to watts per say.

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    Quote Originally Posted by tonyb View Post
    Those manufacturer suggested watts mean diddly squat.

    Just feed them lots of current, don't pay attention to watts per say.
    True, but the question here is Watt, not current.

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    Quote Originally Posted by valkyrie00 View Post
    ...I have done a lot of research and it seems as though they may be a little underpowered...
    Where did you do this research?

    I'm with tony. Quantity of what's doesn't mean diddly. It's QUALITY of power that matters. Those A9's really are not a hard load to drive at all. Your XPA-5 has all the QUANTITY of power you need... whether it has all the QUALITY you need is a different story.
    Last edited by falconcry72; 03-27-2013 at 12:24 PM.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
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    Quote Originally Posted by nhhiep View Post
    well, that thing rated at 500W and you give it 200. yep, I think so. well underpowered
    You have no idea what you're talking about. Don't lead people astray.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

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    Quote Originally Posted by falconcry72 View Post
    Where did you do this research?

    I'm with tony. Quantity of what's doesn't mean diddly. It's QUALITY of power, and current that matter. Those A9's really are not a hard load to drive at all. Your XPA-5 has all the QUANTITY of power you need... whether it has all the QUALITY you need is a different story.
    I must I agree with you and Tonyb. But, there are not too many people that understand this.
    Make it simple...Make it better!

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    Once again the bias is on the side of big money spent. If it's relatively cheap it can't possibly be a "quality" product.

    Valkyrie, you are giving your speakers plenty of power with enough reserves to meet most likely any situation. Unless you dislike what you are hearing or simply have a burning need to spend even more money a second time on yet another amp, just sit back and enjoy your system.
    Sunfire TGP III PrePro, Sunfire Cinema Grand Signature 405wpc 5 ch. Amp, Rotel RCD-1072 CDP, Onkyo TA2600 Tape Deck, Pioneer Elite 47-A DVD, Sony 32" XBR TV, Polk RTA-8T Main Speakers, Boston VR-920 Center Channel, Boston PV-600 Subwoofer, Polk DSW 400 Subwoofer, Polk FXi-3 Surround Speakers

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    Please let me qualify my remarks around my "research". My research basically consisted of reading various board entries from various sites and looking at people who own the A9's. Several of the one's I read stated they sounded better with a higher rated amp than 200 WPC that my Emotiva is putting out. As stated, I am quite happy with the way they sound, but if that's the only way I've listened to the speaker than I will never know any better. On another note, I have also read on several boards people who dislike Emotiva products. Ironically, I have read very few negative reviews from people who actually own the amp...

    I may be wrong, and I'm sure there are several here who will chime in, but for what you can spend on a home theater and what is truly practical to the non-professional are night and day. For me value and performance are what matter. Can I justify spending $10,000 on an amp, no. Could I spend $10,000 on an amp, yes. My objective was to find a balance between value and performance. I realize some audiophiles on this board and others may make the argument that a $10,000 amp will sound $9,200 better than my Emotiva for my purposes but I doubt it.
    Polk Audio RtiA9 - Front x 2
    Polk Audio CsiA6 - Center
    Polk Audio FXiA6 - Surrounds x 4
    Denon AVR 3313 CI
    Oppo BDP 103
    Emotiva XPA-5
    SVS PB12 NSD

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    Quote Originally Posted by valkyrie00 View Post
    Please let me qualify my remarks around my "research". My research basically consisted of reading various board entries from various sites and looking at people who own the A9's. Several of the one's I read stated they sounded better with a higher rated amp than 200 WPC that my Emotiva is putting out. As stated, I am quite happy with the way they sound, but if that's the only way I've listened to the speaker than I will never know any better. On another note, I have also read on several boards people who dislike Emotiva products. Ironically, I have read very few negative reviews from people who actually own the amp...

    I may be wrong, and I'm sure there are several here who will chime in, but for what you can spend on a home theater and what is truly practical to the non-professional are night and day. For me value and performance are what matter. Can I justify spending $10,000 on an amp, no. Could I spend $10,000 on an amp, yes. My objective was to find a balance between value and performance. I realize some audiophiles on this board and others may make the argument that a $10,000 amp will sound $9,200 better than my Emotiva for my purposes but I doubt it.
    Let's try to steer this one away from a "debating the merits of Emo" thread.

    My point above is that your speakers are not under powered. Period. A higher quantity of watts will not necessarily yield a better sound, as it's not the quantity of watts that matters.


    The fact that you're considering buying a more powerful amp to achieve better sound is indicative that you're trying to spend more money on an amp. One way to do that is to move up the Emo chain. Another way to do that is to try a different brand. I would try a different brand if I were you, not because I dislike Emo, but because you won't know what brand you like until you try several. Every brand sounds different. Nobody here is talking about $10k amps except you.

    I would be perfectly happy with that XPA-5 if I were you (I should know, I owned one for a while and was quite pleased with it)... but if I got the itch to experiment (which I get quite frequently ) I would try a different brand, just to learn about what's out there.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

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    Valkyrie00,

    Have you looked at the Emotiva XPR series? If you decided to buy something bigger let me know. I might make an offer on your XPA-5.
    Sony KDL-55NX810 TV
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    Quote Originally Posted by falconcry72 View Post
    Let's try to steer this one away from a "debating the merits of Emo" thread.

    My point above is that your speakers are not under powered. Period. A higher quantity of watts will not necessarily yield a better sound, as it's not the quantity of watts that matters.


    The fact that you're considering buying a more powerful amp to achieve better sound is indicative that you're trying to spend more money on an amp. One way to do that is to move up the Emo chain. Another way to do that is to try a different brand. I would try a different brand if I were you, not because I dislike Emo, but because you won't know what brand you like until you try several. Every brand sounds different. Nobody here is talking about $10k amps except you.

    I would be perfectly happy with that XPA-5 if I were you (I should know, I owned one for a while and was quite pleased with it)... but if I got the itch to experiment (which I get quite frequently ) I would try a different brand, just to learn about what's out there.
    This sums it up quite nicely so there is no need to beat this decomposing corpse. You have done your research here and all over the net. So either buy another amp or be happy with what you have. But your speakers are NOT underpowered.
    Sunfire TGP III PrePro, Sunfire Cinema Grand Signature 405wpc 5 ch. Amp, Rotel RCD-1072 CDP, Onkyo TA2600 Tape Deck, Pioneer Elite 47-A DVD, Sony 32" XBR TV, Polk RTA-8T Main Speakers, Boston VR-920 Center Channel, Boston PV-600 Subwoofer, Polk DSW 400 Subwoofer, Polk FXi-3 Surround Speakers

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    If the OP's interest is bang for the buck, striking that ever elusive balance between performance and price, we are all about that. The brands many use here that fit that description and sound good doing it, B&K, Rotel, Parasound, Adcom, and a few others but those are probably the top 4 used around here anyway.

    Tube amps can offer a different flavor too and give you the option to taylor the sound by swapping tubes in and out. Cheaper units that sound good can be had from the likes of Yaqin, Dared, Grant Fidelity......used there are plenty of higher end brands from Bat, ARC, VAC, Cary, VTL, Cayin, and a bunch more. Do your homework, read up to get a better understanding and more insight to what will fit your needs and sound preferences.

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    Quote Originally Posted by Oldfatdogs View Post
    But their your ears if it sounds good to you that's all that matters.
    I'm sure others will chime in.
    Dan
    With all due respects, I thought this post was the end credits to this thread.
    Do you hear that buzzing noise?

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    Quote Originally Posted by valkyrie00 View Post
    My objective was to find a balance between value and performance.
    I noticed a greater improvement in sound quality by treating 1st reflection points (esp. the front wall) than I did from increasing wattage. Both helped, but acoustic treatment made the bigger difference, and at a lower cost (for me = better value and performance).

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    Quote Originally Posted by fokakis1 View Post
    I noticed a greater improvement in sound quality by treating 1st reflection points (esp. the front wall) than I did from increasing wattage. Both helped, but acoustic treatment made the bigger difference, and at a lower cost (for me = better value and performance).
    I really want to try this myself as I have seen some acoustic panels for cheap on craigslist nearby.
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    Quote Originally Posted by fokakis1 View Post
    I noticed a greater improvement in sound quality by treating 1st reflection points (esp. the front wall) than I did from increasing wattage. Both helped, but acoustic treatment made the bigger difference, and at a lower cost (for me = better value and performance).
    This brings up thoughts on this subject. How many experiment with various speaker positions or sound deadening/enhancing/acoustical tweaks before deciding their speakers aren't performing correctly? How many insist on speaker placement that is nice aesthetically in any given room but doesn't correlate to optimum performance for that particular speaker so we then think it's the speaker or amp power that's lacking?

    Imo, valkyrie, find a way to bring a higher current higher wpc amp and test it with your speakers. If you notice a distinct difference you have your answer and can start searching for an upgrade. It could be just the constant feeling of wanting to improve your system which is part of the disease lol. You only have two ears as you say (and they are YOUR ears not someone elses), if you love the way your current setup sounds why the feeling you're missing something?

    Forums like these are great for info, but can feed the monster too imo. Is it because you really aren't satisfied with your sound or because coming to audio forums like this you feel like you shouldn't be?

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