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Thread: RTi8 @ 90watts?

  1. #1

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    Default RTi8 @ 90watts?

    I'm thinking of upgrading to these but my Yammy only pushes 90watts per.
    I'm guessing this just isn't quite enough to push a 20-250watt speaker?

    Works fine with my A1's as mains but they are only 20-125watt.
    (I have the Yammy crossover set at 80hz that is proper?)
    I miss having some better mid range.
    If my 90watt per isn't gonna cut the mustard I can't see wasting my time and $$$.

    Your thoughts on this?

    My Yammy specs
    http://www.yamaha.com/yec/products/p...ETYP=ATTRIBUTE

    Yamaha RX-A710 90Watt 7.1
    Mains: RTi A1's Center: CS150 Sats: RT15i's Sub: Velodyne DPS-10
    Music CD: Sony CDP-CE375 5 Disk
    HD TV: Vizio 42" LCD 1080p E420VO
    Blu-Ray: Sony BDP-S350
    DVD: Sony DVP-NC665P 5 Disk
    AV Rack: Sanus Euro EFAB-II Audio Base x2 EFAS-II Audio Expansion Shelf x4
    Cables Used: Monster Cable HPD Sony HDMI DLCHE18W
    Phones: Sennheiser HD280 Pro

  2. #2

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    Get some good clean power to those and you'll see them sing. It definetely fills out the bottom end much better.
    Living Room:.................... Zone 2 (Workout Room):
    AVR - Yamaha RX-V757......JBL 4312 Pro Monitors
    Pre - Nak CA-5
    AMP - Adcom 555 (Main)
    Main - Polk RTI8**/RTiA5
    AMP - Adcom 545II (Center)
    Center - Polk CSiA4**
    Sub - Snell Basis 300:p......Zone 3 (Outside)
    CD - Yamaha CDC-555.......Def Tech AW5500
    TV - Pani TH-42PZ80U
    BR - LG BD390
    Monster HTS1600 Power Center
    Dedicated Circuit - (2) 20amp, (1) 15amp
    Ben's IC, Canare 4S11

    **Dayton and Sonicap Caps with Mills Resistors**

  3. #3

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    Will it work, Yes. I checked out the pics of the rear of the AVR and there are no pre-outs.:(
    No it depends on how loud you will push your system, if you have a small room and don't listen very loud, then you can be fine. I had an rxv540 pushing mine for a while and no issues with blown tweets. I never drove them hard/loud. If you do buy the 8s, you will eventually want to buy a receiver with pre-outs to then add an external AMP.
    And Yes 80 is a good spot for you.
    Last edited by Willow; 03-02-2009 at 06:47 PM.
    HT- HK 335, Rotel 1075, Miova PC, AQ Indigo Speaker Cable, XLO Jumpers, AQ Diamondback ICs, AQ HDMI x2, AQ Component, Signal Cable Analog II ICs, Signal Cable Digcoax, Signal Cable Toslink, Rti8, Csi5, Rti6, Energy s10.2, Panny 42" Plasma, PS3, Harmony 1100 and Harmony PS3 Adapter, LG dvdp(for the kids), Monster 3600MKII all on a dedicated circuit.

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    The rti 8's are fairly easy to push. Your receiver will do fine but a external amp will help.

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    Quote Originally Posted by Willow View Post
    Will it work, Yes. I checked out the pics of the rear of the AVR and there are no pre-outs.:(
    No it depends on how loud you will push your system, if you have a small room and don't listen very loud, then you can be fine. I had an rxv540 pushing mine for a while and no issues with blown tweets. I never drove them hard/loud. If you do buy the 8s, you will eventually want to buy a receiver with pre-outs to then add an external AMP.
    And Yes 80 is a good spot for you.
    My Yammy works on a -80/+80db volume scale....most I ever crank it is at -25db....but that's with my RTi A1's (20-125watt rated).
    Sound stage(Room) is a small 10x14.

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    I think that the RTI8s will give you alot bigger sound stage. I first started with Monitor 40s and when I bought the rti8s that is what sold me on them is the engulfing sound with movies. Movies were great! But the better amp, the better they will sound.
    They always say build your system around your speakers. Not the other way around..

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    You'd be just fine driving them with your AVR Jim. An external amp would help them, but externals will help any speaker.

    The RTi's are a pretty easy to drive speaker. If you were getting the 10's or the 12's, the case may be different, but it doesn't take real big power to make the 8's sing.
    The nirvana inducer-
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    That Yammie is fine, especially if you're running just the two 8s. I find mid to lower end Yammies seem to generate more power in 2 channel than a comparable Onkyo for example, but not quite as much in surround modes.

    As others have said the 8s are not that hard to push. Where as the higher Rti models need much more power.

    While I'm on this, I'll commit a blunder here. Rti-8s are the entry tower for that series, The M70s are the highest Mseries model. Their raw numbers (specs) are pretty similar. The 8s have a different tweeter--which is a bit more forward and can handle a lot more power. But I think the M70s with enough power also produce a pretty good sound stage...maybe not equivalent to higher model 10s and 12s which are bigger, have better base drivers, handle great power, etc.

    I've heard the Rti-8s and I own M70s. If I were to upgrade I'd got directly from 70s to 10s or 12s-.

    OK, I'm losing my thread here.


    cnh
    Last edited by cnh; 03-02-2009 at 11:51 PM.

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    Quote Originally Posted by comfortablycurt View Post
    You'd be just fine driving them with your AVR Jim. An external amp would help them, but externals will help any speaker.

    The RTi's are a pretty easy to drive speaker. If you were getting the 10's or the 12's, the case may be different, but it doesn't take real big power to make the 8's sing.

    I am forced to agree with Curt here. you will be fine with what you have for now. I have found reluctantly as others have that Polks tend to be a bit on the bright side with Yamaha gear, so I recommend a modest 2channel amp in the 150/200 wpc range at some point. Your speakers will go from sounding great to sounding fantastic!

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    I very rarely run in 2 Channel.
    I run all 6 Channels 99% of the time.
    Not sure if my Yammy has seperate amps for each channel.....doubt it.

    Dunno if that changes everyones offered perspective?
    Last edited by Motzart; 03-03-2009 at 07:25 AM.

  11. #11

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    If you will be using them mostly for tv/home theater then you will be fine..

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    Quote Originally Posted by bopicasso View Post
    If you will be using them mostly for tv/home theater then you will be fine..
    60% HT and 40% Music on most days.
    But I love my Classical and New Age!

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    I say you will not have issues. With this combo that is.....;)
    HT- HK 335, Rotel 1075, Miova PC, AQ Indigo Speaker Cable, XLO Jumpers, AQ Diamondback ICs, AQ HDMI x2, AQ Component, Signal Cable Analog II ICs, Signal Cable Digcoax, Signal Cable Toslink, Rti8, Csi5, Rti6, Energy s10.2, Panny 42" Plasma, PS3, Harmony 1100 and Harmony PS3 Adapter, LG dvdp(for the kids), Monster 3600MKII all on a dedicated circuit.

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    Motzart, here is a pair on craigslist for $175.00 http://allentown.craigslist.org/ele/1041954680.html
    I do not know him and have never spoken to him just passing it along, I know your in upstate NY so a couple hours in the car might save you a few bucks.
    Mitsubishi WD-73736
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    Quote Originally Posted by ckphoto View Post
    Motzart, here is a pair on craigslist for $175.00 http://allentown.craigslist.org/ele/1041954680.html
    I do not know him and have never spoken to him just passing it along, I know your in upstate NY so a couple hours in the car might save you a few bucks.
    thats a steal!

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    Quote Originally Posted by ckphoto View Post
    Motzart, here is a pair on craigslist for $175.00 http://allentown.craigslist.org/ele/1041954680.html
    I do not know him and have never spoken to him just passing it along, I know your in upstate NY so a couple hours in the car might save you a few bucks.
    That IS a great deal!
    That's 2 1/2 hours from here and lil more than I wanna travel with our jelopy these days.
    The Boss is all over my ---- about buying anymore speakers. :(
    I better keep on Her good side or no more _______ for me! :o

    The Women always spoil our fun. What a bummer!

  17. #17

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    Quote Originally Posted by Motzart View Post
    That IS a great deal!
    That's 2 1/2 hours from here and lil more than I wanna travel with our jelopy these days.
    The Boss is all over my ---- about buying anymore speakers. :(
    I better keep on Her good side or no more _______ for me! :o

    The Women always spoil our fun. What a bummer!
    I know the felling :) I would have picked them up myself but I know the wife would have been pissed. Everything in my signature except the 360 I purchased since November.
    Mitsubishi WD-73736
    Pioneer Elite SC-05 :D
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    Velodyne minivee
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    Csi40
    4-Fxi50s
    Monster PowerCenter HTS 3600 MKII
    Harmony One

  18. #18

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    The RTi8 are easy to drive and 90 watts shouldn't be difficult to power them with.

  19. #19

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    You'll be fine with the Yamaha until you get hit with the upgrade bug.....
    Living Room:.................... Zone 2 (Workout Room):
    AVR - Yamaha RX-V757......JBL 4312 Pro Monitors
    Pre - Nak CA-5
    AMP - Adcom 555 (Main)
    Main - Polk RTI8**/RTiA5
    AMP - Adcom 545II (Center)
    Center - Polk CSiA4**
    Sub - Snell Basis 300:p......Zone 3 (Outside)
    CD - Yamaha CDC-555.......Def Tech AW5500
    TV - Pani TH-42PZ80U
    BR - LG BD390
    Monster HTS1600 Power Center
    Dedicated Circuit - (2) 20amp, (1) 15amp
    Ben's IC, Canare 4S11

    **Dayton and Sonicap Caps with Mills Resistors**

  20. #20

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    I agree w/ Chris and agree more w/ curved

  21. #21

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    I think 90 wpc is adequate for the 8s. I was using an onkyo 705 with mine. debating getting a new front amp around -150 to 200 wpc now that i upgraded to the csi5.

    I was only running three channels though, so I'm not sure if our situations are similar.

    Unless you really feel that the 8s aren't measuring up to their full potential, I'd say you're fine. So much of audio is upgradeitis.

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