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Thread: Need help choosing amplification

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  1. #1
    Join Date
    Sep 2017
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    2

    Default Need help choosing amplification

    I have an old set of Kappa 9's which are getting new foam surrounds on the 12's right now. The center was the small infinity kappa video series 2 center with 6.1 kappa surrounds. The center channel was first to require foam surrounds. At this time I was shopping for new/better center to match the old Kappa's. I opted for SVS ultra center but when I received it I had taken it directly from Fed Ex to the store that was repairing Kappa video series 2 and compared. The SVS was awesome with its full sound and great depth. I asked the guy in the store to find something with vocals as of course the center is used for dialog. I asked if he had any Mark Knopfler (Dire Straights) as I feel this blends good known vocals and music. He did. We had both setup side by side and just used a L/R fade to adjust to each. The SVS was a beast and I will not cut speaker down but for me it failed to deliver in the vocal or upper end area. It seemed like on the Kappa that he (Knopfler) was right in front of me singing, although the bass was terrible, then when fading to other side (SVS Ultra), it appeared that he turned around and walked a few steps back and the rest of band was much more pronounced. What a disappointment. That is when I realized that my old wimpy Kappa center would outshine the new supposedly badass SVS Ultra center at least in the important to me dialog area. I then set out to find something that utilized a ribbon as I find myself preferring the sound.

    I am now the recipient of a AA Horizon. This should take care of any issues I have with anemic vocals while supplying plenty of low end. O.K. now for the real ?. What should I power these with. I currently run a Yamaha RX-v2700 with the mains bi amped to feed the power hungry Kappa 9's. I cannot help but feel there may be a better solution for power. I have available to me an Emotiva XPR5 but have been reading that this may be a great midrange amp. Should I opt for a Parasound A51 or just get a newer Yamaha unit? ( Please advise)

    As side note when I run the Kappa's in bi amp config., I do not get the bang for the buck that I would expect. Is there something with running more amp sections running the effective power down. I felt the system was better off when running speakers in single channel config. In fact when letting the YPAO adjust for room it picks the mains as small when bi-amped and large when singularly amped. Thought that the choice to bi-amp may hinder the entire setup.
    Last edited by 03kbredfire; 09-04-2017 at 02:07 PM.

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