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  1. #1

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    Default What are you RTiA9 owners using to drive your speakers?

    Considering trading out my A7s for a set of A9s. Huge power range spec on these 9s. What are you all using to drive your 9s?

    Thanks.
    Marantz AV7005
    Marantz MM7055
    Onkyo DX-755 CdP
    Oppo BDP-93
    Technics SL-1301/Shure M97xE
    Polk RTi A7s
    Polk CSi A6
    Polk FXi A6s
    Velodyne VDR10-BV
    Panamax M5100-PM
    Antec VERIS A/V Cooler x 2

  2. #2

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    Well, I have one of the higher-end Onkyo receivers from a few years back - the TX-SR876 (2nd from top of the line). Those big Onkyos are pretty heavy duty on the amp sections. They seem to be doing fine, but I'm wanting to go with a seperate amp from the pre-outs on my receiver, just for the A9s. I'm considering the Emotiva XPA-2 at 300x2

    RM
    Last edited by Ronman79; 02-09-2013 at 11:29 AM. Reason: added amp power specs
    Just Polkin' around...

  3. #3

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    I have both A7 & A9.

    McIntosh MC 2155 150 watt rated (200 watt actual) with the 9s.

  4. #4

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    External amp is a must for the a9's.
    I use a XPA-2, it's a great deal new with a warranty. Plenty of used amps talked about here as well, just do a search. I'm not a big fan of the a9's for music.

  5. #5

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    I use the XPA-2 also, works very well, I use the system below for mostly home theater but I do occasionally listen to some music on it in two channel and it sounds pretty good.
    Home Theater
    Onkyo PR-SC5508 Sharp LC-70LE847U
    Emotiva XPA-5 Emotiva XPA-2 Emotiva UPA-2
    Front RTi-A9 Wide RTi-A7 Center CSi-A6 Surround FXi-A6 Rear RTi-A3 Sub 2x PSW505
    Sony BDP-S790 Dishnetwork Hopper/Joey Logitech Harmony One Apple TV
    Two Channel
    Oppo 105D BAT VK-500 w/BatPack SDA SRS 2.3 Dreadnought Squeezebox Touch Apple TV

  6. #6

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    The XPA-2 is fine, but get yourself a pair of XPA-1's and you can really crank them up. My RTi12's sound so good with them for music and HT!
    Last edited by xcapri79; 02-10-2013 at 10:47 AM.

    Main HT/2 ch:
    Pioneer SC-07, BDP-05FD, Emotiva XPA-5 x 2, XPA-1 x 2,
    Polk Audio LSi25, RTi12 x 2, LSi15 x 4, LSiC x 2, PSW1000 x 4,

    MB HT/ 2 ch:
    LG 47LM5800, Pioneer SC-1523, BDP-23FD, Sony BDP-S790, Emotiva XPA-2, XPA-5,
    Polk Audio LSi25,15, CSi5, LSiFX, PSW505 x 4

    Listening Room 2 ch:
    McIntosh MC122, MC162, MC202, C15, C41, C42, MA6500, MA6900, MCD201, MCD301, MR85, MX130, MX134
    Emotiva RSP-2, RPA-1, ERC-2
    Adcom GCD 750, GFP 750, GFA 5802
    Polk Audio LSi7,9, 15

  7. #7

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    Default

    What ever you decide on I would get that first. That way you can properly drive the A7's and at least here them to their full potential before swapping them out.

  8. #8

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    Parasound HCA-2003A rated 220wpc. 60 amps current/Channel

    http://www.parasound.com/vintage/hca2003a.php

    It rocks. Far superior to running them off an AVR, or the Hca-1206 I had before it.
    Down
    RTiA9 - CSiA6 - FXiA6 - Dual HSU VTF-15H
    Parasound HCA-3500 - HCA-2003A - Marantz SR7005
    Sim2 D60 - Dragonfly 106" Panny 500

    Up
    LSi15 LSiC - RX-V3000

    RT5000p Waiting in the Wings...

  9. #9

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    Pioneer SC-35 for now, i've been happy with its performance.
    Theater Room: Pioneer Elite SC-35, RTi12's, Csi5, Fxi5's, Fxi3's, ED A5-350 sub, Optoma HD20, 92'' Elite Screen, Xbox One, APC H15, MIT Exp 2 SC's, Pepster PC's

    Living Room: Martin Logan EM ESL's, Peachtree Audio iNova, MIT AVT2 SC's & IC's, Pepster PC, Sharp Aquos 60'', Sony BDP S-790, Airport Express

    Bedroom: Panasonic AX200U projector, 110" screen

    Outdoor: Polk Atrium 5's, Yamaha Rxv371

  10. #10

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    Also using an XPA-2, also love 'em for music. Plan on getting an XPR-2
    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


    Cans
    Grado RS2i

    2 Ch Rig
    First purchase will be; a pair of ? but I'd love a pair of SDA SRS

  11. #11

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    Come on Geoff get the new amp and let's see a review!
    Home Theater
    Onkyo PR-SC5508 Sharp LC-70LE847U
    Emotiva XPA-5 Emotiva XPA-2 Emotiva UPA-2
    Front RTi-A9 Wide RTi-A7 Center CSi-A6 Surround FXi-A6 Rear RTi-A3 Sub 2x PSW505
    Sony BDP-S790 Dishnetwork Hopper/Joey Logitech Harmony One Apple TV
    Two Channel
    Oppo 105D BAT VK-500 w/BatPack SDA SRS 2.3 Dreadnought Squeezebox Touch Apple TV

  12. #12

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    Quote Originally Posted by zane77 View Post
    Come on Geoff get the new amp and let's see a review!
    Zane, if you only knew how close I was to actually snaggin' the XPR-2, money in the account, finger on the trigger, thank God it wasn't a hair trigger or all would be dead right now!!!!!!

    Tax return came back, wife said, "here ya go, get what you want"...................I WANT the xpr, I NEED a new computer. So, that's what I ended up getting instead, don't think I didn't try talking myself into just keeping the POS I have right now. It was an epic battle, the worst I've ever been though with the angel/devil on the shoulders routine, I was....so......close....

    I've got a list of stuff on CL right now trying to get myself in postion to put my finger back on the trigger.

    But the PC I've got coming, let me put it to you this way, it's like going from the smallest entry level AVR driving my set up to going to a pair of XPR-1's driving my set up.
    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


    Cans
    Grado RS2i

    2 Ch Rig
    First purchase will be; a pair of ? but I'd love a pair of SDA SRS

  13. #13

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    Default

    Good stuff, thanks. Appears to be quite a range of power being supplied to those big beauties!

    I'm asking because I've recently changed out my NAD amp for a Marantz MM7055 (sig below) and thought with the extra power I might trade my A7s for the A9s. Marantz says the MM 7055 puts out 145 W/Ch with all 5 driven which is about the midpoint for the A7s (50-300) but below the midpoint for the A9s (50-500).

    Believe the UPS guy may be making a delivery in the future ...
    Marantz AV7005
    Marantz MM7055
    Onkyo DX-755 CdP
    Oppo BDP-93
    Technics SL-1301/Shure M97xE
    Polk RTi A7s
    Polk CSi A6
    Polk FXi A6s
    Velodyne VDR10-BV
    Panamax M5100-PM
    Antec VERIS A/V Cooler x 2

  14. #14

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    Default

    I have been driving mine with a SC-35 and just upgraded to the SC-67. I have been very pleased so far but I am sure an amp will be in the future.
    AVR: Pioneer Elite SC-67
    Mains: Polk LSiM707
    Center: Polk LSiM706c
    Rear: Polk LSiM702F/X
    Sub: SVS PC12 Ultra
    TV: Panasonic VIERA TC-P60GT50
    DVD: Xbox 360
    NMT: Popcorn Hour C-200

  15. #15

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    Default XPR-2 vs two XPA-1 monoblocks?

    is the XPR-2 better than just getting two XPA-1 monoblocks?

  16. #16

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    Hi guys, nice to hear this is the thread Not bashing Emo gear. I'm using my XPA-5 to bi-amp my big SDA's on my fronts but will be changing it out. I have my A-9's moved in and sitting next to the SDA's and ready to make the switch and the A-9's look so tiny next to the big boys. So my A-9's will have 2 of the XPA-5's amps each and total of 400 watts...should light them up. I did pick up a Parasound 5, HCA-5250, channel for this system but I think I will hold off, as that XPA is really doing the job. I may move the SDA's and HCA-5250 to my workout room when time permits...probably next fall.
    Main Family Room: Sony 46 LCD, Sony Blue Ray, Sony DVD/VCR combo,Onkyo TXNR 708, Parasound 5250,
    Polk SDS-SRS with mods, CSI 5 center + Klipsch SC2, Polk RT2000P rears, Klipsch KG 1.5's sides, Polk Micro Pro 1000, Polk Micro Pro 2000, Polk SW505, Belkin PF60, Signal Cable Classics,Monster IC's, 2 15 amp circuits & 1 20 amp circuit.

    Living Room: Belkin PF60, Parasound HCA2200, MIT ProlineEXP balanced IC's,Emotiva XDA-1 DAC/Pre,Emotiva ERC2 transport,MIT AVT2, Polk LSI 9's.

  17. #17

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    Marantz says the MM 7055 puts out 145 W/Ch with all 5 driven which is about the midpoint for the A7s (50-300) but below the midpoint for the A9s (50-500).
    Strange way to figure things.

    What do you expect to gain from the A9's that you don't have already?
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

  18. #18

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    Hi guys, nice to hear this is the thread Not bashing Emo gear.
    I'm more than happy to change that, emo sucks!
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

  19. #19

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    Quote Originally Posted by F1nut View Post
    I'm more than happy to change that, emo sucks!
    Thanks Jesse...just blew my tea and sandwich on my desk
    Home Theater:Samsung8000-55LED,Pioneer SC35, Pioneer DV-79AVi, Sunfire TGA7201, LSi25, LCi RTSc, LC80i
    2chnl system:Melody 101 tube pre, Pass XA30.5 amp, Usher MD2 speakers, W4S Dac, MG Audio Planus2 speaker cables
    Office rig: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures

  20. #20

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    I went from A7's to A9's. IMO - big improvement in 2 channel with the A9's. HT is excellent with either. Powering with Parasound 2250. After starting with the A7's, I probably will never power again with an AVR.
    __________________________________________________ ___________________________________________
    Source: SONOS Music System, DAC: W4S DAC-2, Pre/Pro: Marantz AV8801, Amp: W4S MC5, Front: Polk RTIA9, Center: Polk CSIA6, Surrounds: Polk FXIA6, Sub EQ: DSPeaker Anti-Mode 8033C, Subs: 2 - Polk DSW PRO660WI, IC & Speaker Cables: Signal Cable

  21. #21

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    Quote Originally Posted by F1nut View Post
    Strange way to figure things.

    What do you expect to gain from the A9's that you don't have already?
    Not sure my figuring is so strange in that both speakers have a published range of power-acceptance with th 9s exceeding the 7s by more than 60% at the top end. I've added about 40% more output when changing from the NAD to the Marantz amp. If I knew that the 9s would perform well with this increased input - and that they are indeed superior to the 7s (with the additional drivers), I would consider/am considering a change.

    Maybe the question goes to the assumed superiority of the 9s vs. the 7s?
    Marantz AV7005
    Marantz MM7055
    Onkyo DX-755 CdP
    Oppo BDP-93
    Technics SL-1301/Shure M97xE
    Polk RTi A7s
    Polk CSi A6
    Polk FXi A6s
    Velodyne VDR10-BV
    Panamax M5100-PM
    Antec VERIS A/V Cooler x 2

  22. #22

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    Using a Parasound 2250 with 250wpc @ 45 amps. Sound is coming from an Onkyo 809 and I'm very pleased at how these two items blend together! When the settings are made correctly, the Para can shake the entire house with minimal effort. I tried running my 12s strictly on AVR power, but their potential just can't be tapped with that, nor can the bass they are capable of even be approached. I definatey recommend a Parasound! I've never heard other amps so I can't express an opinion but you can't go wrong this way!
    AVR - Onkyo NR809
    500gb HD for MP3 and FLAC files
    Amp - Parasound 2250 - FOR SALE BTW!! PM me if interested!
    Mains - Polk RTi12 towers
    Center - CSi5
    Surround - FXiA6's
    Sub - psw505
    Movies and games - PS3
    TV - Toshiba 52" HD

    Every vehicle has one good nuetral drop in it

  23. #23

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    Quote Originally Posted by jaygax View Post
    is the XPR-2 better than just getting two XPA-1 monoblocks?
    IMO, mo power, mo better.

    Quote Originally Posted by snake1 View Post
    I tried running my 12s strictly on AVR power, but their potential just can't be tapped with that, nor can the bass they are capable of even be approached!
    Hey Gulfstrings, have you taken the plunge yet? The A9's boast a better midrange over the 7's, not sure how important that is for H.T. but for 2ch, that's got to be a plus.

    And like snake mentioned, the bass in the 9's, when fed with other than AVR power, can be felt in the floor and in your chest. Impressive bass with these babies.

    I ran my A9's initially with the XPA-3, once the 1st impression of detail in sound over the Monitor 70's they replaced had worn off, I wasn't that impressed with the relationship of my gear. After installing the XPA-2, the fit was right for me. 2ch listening with this set up has increased my CD collection.

    Right now, I'm enjoying, okay, I'm JAM'N to some Stevie Ray Vaughn's greatest hits and weather they want to or not, my neighbors are jam'n with me
    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


    Cans
    Grado RS2i

    2 Ch Rig
    First purchase will be; a pair of ? but I'd love a pair of SDA SRS

  24. #24

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    "Hey Gulfstrings, have you taken the plunge yet?"

    Not yet, Geoff4rfc We're having wood flooring put in the house so waiting until that's all done. Appreciate your comments - I am more of a music guy too, though we enjoy our movies as well. This whole thread was a product of my curiosity re what's powerin those 9s out there. I think with my new Marantz at 145w/ I've got the horsepower, but that number is still well below their capacity of up to 500watts! Have really enjoyed the 7s but suffer from chronic bigger is better syndrome like most others around here ...
    Marantz AV7005
    Marantz MM7055
    Onkyo DX-755 CdP
    Oppo BDP-93
    Technics SL-1301/Shure M97xE
    Polk RTi A7s
    Polk CSi A6
    Polk FXi A6s
    Velodyne VDR10-BV
    Panamax M5100-PM
    Antec VERIS A/V Cooler x 2

  25. #25

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    Congrats on the floor. I hear you about bigger and better. I've always gone for the top of the line in a series, never wanting to experience the what if factor.
    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


    Cans
    Grado RS2i

    2 Ch Rig
    First purchase will be; a pair of ? but I'd love a pair of SDA SRS

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