Polk Speaker Purchase Advice

Gary C
Gary C Posts: 5
edited November 2008 in Speakers
I am considering purchasing some polks for the first time. These would be the main towers for music and HT. I have a choice between two used speakers:

RTi A7

RTi 8

Which do you think is the better speaker? Thanks for your advice.

Gary
Post edited by Gary C on

Comments

  • Kex
    Kex Posts: 5,205
    edited November 2008
    Gary C, I don't have either of those, but I would prefer the curved cabinet and newer design of the RTi A range in general. However, the RTi A7 is a big speaker, equivalent to the RTi10, rather than the RTi8, with woofers, as well as mid-woofers and a tweeter. A lot of owners have complained about the power needed to drive them properly, so I am wondering what type of receiver and/or external amplification you are using.

    If you don't have something that's really able to push those hard, I would be more likely to go for the great deals on the RTi8, or, if you can find an equivalent deal, the RTi A5 rather than the RTi A7, especially if you have (or are expecting to add) a subwoofer.

    P.S. Welcome to the Club!
    Alea jacta est!
  • Gary C
    Gary C Posts: 5
    edited November 2008
    I have a Yamaha HTR 5650 receiver which I will be keeping (see link below)

    http://www.yamaha.com/yec/products/productdetail.html?CNTID=200186&CTID=5000400

    It puts out 6 x 80 watts. How does that sound for enough power to handle the RTi A7's?

    Thx

    Gary C
  • Kex
    Kex Posts: 5,205
    edited November 2008
    Gary C wrote: »
    I have a Yamaha HTR 5650 receiver which I will be keeping (see link below)

    http://www.yamaha.com/yec/products/productdetail.html?CNTID=200186&CTID=5000400

    It puts out 6 x 80 watts. How does that sound for enough power to handle the RTi A7's?

    Thx

    Gary C
    Not nearly enough IMO, and I don't think it has pre-outs for an external amplifier to be added (except for the subwoofer). With that model, I would not get anything bigger than the RTi8 or RTi A5. The cruel reality is that it very probably won't even drive those to their full potential. You will have to be careful if you have a large room, since pushing big speakers too hard with that receiver will actually exceed it's abilities, and damage the speakers. You might even want to consider a bookshelf RTi model, such as the RTi A3 or RTi6 because of this.

    It's nothing against Yamaha (I have one too), it's just receivers of that level have their limits. With the right speakers, and a subwoofer, you'll still get an excellent Home Theater experience, so it's nothing to be sneered at.
    Alea jacta est!
  • Gary C
    Gary C Posts: 5
    edited November 2008
    Thanks for the tips. A new receiver would be nice.

    Gary C
  • Motzart
    Motzart Posts: 1,075
    edited November 2008
    Looks to me it pushes 95Watt with 8ohm speakers.

    My Yammy pushes 90watts x 6 and it's enough for me and my Polks.

    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
  • Gary C
    Gary C Posts: 5
    edited November 2008
    Yes, in dynamic mode it does shift 95w to the mains. Thanks for catching that.

    Anyone know what the recommended min power is for either of these speakers?

    Gary C
  • Kex
    Kex Posts: 5,205
    edited November 2008
    Motzart wrote: »
    Looks to me it pushes 95Watt with 8ohm speakers.

    My Yammy pushes 90watts x 6 and it's enough for me and my Polks.
    Your speakers are a LOT smaller than what he is looking at, so yes, your receiver will work fine with what you have, and so would his. Neither will do a good job with something bigger than RTi8 or RTi A5 ... IMO.
    Alea jacta est!
  • Gary C
    Gary C Posts: 5
    edited November 2008
    Thanks everyone. All of this input will let me get going.

    Gary C