Newbie with newbie question (sorry)

juxebox
juxebox Posts: 4
edited December 2008 in Speakers
First of all, hello to everyone and all here...

I was wondering if I can be pointed to a thread that talks about this that would be great, but I tried searching and there was nothing that really could answer my question.

I have purchased my first mid to high end receiver, and Onkyo tx-sr876. Right now I got two Rt35i speakers as front L & R, a CSi30 as the center, and to RT15i as sorrounds (plus a CHT10 velodyne, as you can see all those speakers are circa 2002, 2003 period speakers).

The Onkyo can pump 140 watts X 7. I know that as a general rule, it's actually better to have an amp that is overpowered for the speakers to be used, than an underpowered amp that will cause clipping. That said, will the 100 watt RT15i's be overpowered by the 140 maximum output the onkyo 876 will dish at them while watching a nice blue-ray at descent volume, or will it be ok?

If not, I have two ways of doing this. One, purchasing two new surround speakers that at least handle 125 watts. The other would be dishing a bit more $$ than I planned now to buy, perhaps, Rti a 3's (the Lsi 7's seem a bit overkill for my current place which is a bedroom) ... and switching the RT35s to the back.

Can anyone give me any guidance? Thank you for taking the time to read this.
Post edited by juxebox on

Comments

  • thsmith
    thsmith Posts: 6,082
    edited December 2008
    You will be fine, you mains are rated to 125wpc. Just try not to spend a lot of time at reference levels.
    Speakers: SDA-1C (most all the goodies)
    Preamp: Joule Electra LA-150 MKII SE
    Amp: Wright WPA 50-50 EAT KT88s
    Analog: Marantz TT-15S1 MBS Glider SL| Wright WPP100C Amperex BB 6er5 and 7316 & WPM-100 SUT
    Digital: Mac mini 2.3GHz dual-core i5 8g RAM 1.5 TB HDD Music Server Amarra (memory play) - USB - W4S DAC 2
    Cables: Mits S3 IC and Spk cables| PS Audio PCs
  • juxebox
    juxebox Posts: 4
    edited December 2008
    Thanks, I know I should be fine with the fronts for the most part, I was wondering if the 876 is too much of an amp for the two 100 watt rt15Is...
  • danger boy
    danger boy Posts: 15,722
    edited December 2008
    the 876 is not to much. I'd say just right actually to give you the best sound. you'll be fine with those speakers and that Onkyo receiver.

    have fun.. blu ray movies have incredible sound quality. But be sure to run the auto set up for your speakers first. ;)
    PolkFest 2012, who's going>?
    Vancouver, Canada Sept 30th, 2012 - Madonna concert :cheesygrin:
  • juxebox
    juxebox Posts: 4
    edited December 2008
    Thank you danger boy. Good to know I can use this set up. Eventually I will start to rotate new speakers in, but my timeline for that is late 09 early 2010. I first wanted to get a new receiver to replace my 2001 Denon, so I can have HDMI, HD radio and all the rest. TV is next (I got a tube still).

    After that, we will see. I might get new speakers and rotate the ones I got now to a different room.
  • Dennis Gardner
    Dennis Gardner Posts: 4,861
    edited December 2008
    You will get the most out of your Onkyo by setting the crossover on your mains/center/ surrounds at 80-100hz or the small setting. This will block out the deepest bass from your speakers and make it easier on your receiver to pump out cleaner mids and highs an save the smallish woofers in your speakers. Receivers handling deep sub bass in 5/7 channel modes will reach their limit very easily and destroy speakers with haste. Again, too small of an amp for this type of torture.
    HT Optoma HD25 LV on 80" DIY Screen, Anthem MRX 300 Receiver, Pioneer Elite BDP 51FD Polk CS350LS, Polk SDA1C, Polk FX300, Polk RT55, Dual EBS Adire Shiva 320watt tuned to 17hz, ICs-DIY Twisted Prs, Speaker-Raymond Cable

    2 Channel Thorens TD 318 Grado ZF1, SACD/CD Marantz 8260, Soundstream/Krell DAC1, Audio Mirror PP1, Odyssey Stratos, ADS L-1290, ICs-DIY Twisted , Speaker-Raymond Cable
  • McLoki
    McLoki Posts: 5,231
    edited December 2008
    We all have to ask that question eventually.... :D

    BTW - I have gotten the last 2 channels on my amp repaired and now run my LSi7's (rated at 150 wpc) from the amp as well. The setup sounds great with no issues.

    As others have said - you should be fine.

    Michael
    Mains.............Polk LSi15 (Cherry)
    Center............Polk LSiC (Crossover upgraded)
    Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
    Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
    Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
    Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)
  • F1nut
    F1nut Posts: 50,814
    edited December 2008
    No reason to be sorry for asking a question here.

    Welcome to Club Polk and thanks for the nice introduction. Others could learn a lot from your approach.
    Political Correctness'.........defined

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